This document provides links to an ever-increasing number of documents pertaining to radio broadcasting over the past century. These are divided into general subject areas. A single document sometimes may be found under more than one subject. Please be aware that the documents below in most instances do not represent every document released by the Division or Bureau or the Commission about a particular subject.

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AM Expanded Band (1610 to 1700 kHz)

February 1, 2002 Freeze Announced on the Filing of AM Expanded Band Major Change Applications Public Notice, DA 02-239, 17 FCC Rcd 1806, released February 1, 2002 [ PDF  |  Word  |  Text ]. April 28, 1998 Implementation of the AM Expanded Band Allotment Plan MO&O, MM Docket 87-267, FCC 98-69, 13 FCC Rcd 21872, 63 FR 28486, released April 28, 1998 [ PDF  | WP5.1 ]. Two petitions for reconsideration denied. September 26, 1997 First Two AM Expanded Band Applications Granted to Stations in Arvada, Colorado and Lake Oswego, Oregon News Release, released September 26, 1997 [ PDF ]. April 18, 1997 AM Expanded Band Fact Sheet Fact Sheet, released April 18, 1997 [ HTML ]. April 18, 1997 Filing Instructions for AM Expanded Band Allotments Information Sheet, released April 18, 1997 [ HTML ]. March 17, 1997 Mass Media Bureau Announces Revised AM Expanded Band Allotment Plan and Filing Window For Eligible Stations Public Notice, DA 97-537, 12 FCC Rcd 3185, released March 17, 1997 [ PDF ]. This document contains a list of expanded band allotments. March 17, 1997 Implementation of the AM Expanded Band MO&O, MM Docket 87-267, FCC 97-68, 12 FCC Rcd 3361, released March 17, 1997 [ PDF  | WP5.1 ]. March 22, 1996 Comments in Response to Reconsideration of Implementation of the AM Expanded Band Allotment Plan MO&O, MM Docket 87-267, FCC 96-113, 11 FCC Rcd 12444, released March 22, 1996 [ PDF | Word ]. February 2, 1996 Comments in Response to Reconsideration of Implementation of the AM Expanded Band Allotment Plan MO&O, MM Docket 87-267, FCC 96-113, 11 FCC Rcd 12444, released February 2, 1996 [ HTML ]. October 13, 1994 Polnet Communications, Ltd., Licensee of WKTA(AM), Evanston, IL, For Reconsideration of Public Notice Announcing Interference Improvement Factors for Stations Proposing to Migrate to the AM Expanded Band MO&O, FCC 94-257, released October 13, 1994 [ PDF ].

AM Interference Reduction Agreements

May 1, 2003 Pathfinder Communications Corporation [WOWO (AM)] MO&O, FCC 03-104, 18 FCC Rcd 9272, released May 1, 2003 [ PDF | Word ] February 24, 1997 KOFY(AM), San Mateo, CA Letter, released February 24, 1997 [ PDF | Word ] January 16, 1997 WMLZ (AM), Jupiter, FL and WKYB (AM), Hemingway, SC Letter, released January 16, 1997 [ PDF | Word ] December 5, 1996 WWRL (AM), New York, NY Letter, released December 5, 1996 [ Word ] July 18, 1990 Policies to Encourage Interference Reduction Between AM Broadcast Stations R&O, MM Docket 89-46, FCC 90-137, 5 FCC Rcd 4492, released July 18, 1990 [ Scanned ]

AM Radio

July 7, 2005 Letter re NEW (AM), Baldwin, FL Letter, FCC 05-1943, released July 7, 2005 [ PDF | Word ] Major change application for unbuilt AM station to change community of license is dismissed based on Section 307(b) considerations. November 10, 2004 Letter re NEW (AM), Pace, FL Letter, dated November 10, 2004 [ PDF ] Interference protection must be provided to Radio Marti by domestic stations. March 1, 2004 Los Angeles World Airports [WNHV696] MO&O, FCC 03-3843, 18 FCC Rcd 9272, released May 1, 2003 [ PDF | Word ] May 1, 2003 Pathfinder Communications Corporation [WOWO (AM)] MO&O, FCC 03-104, 19 FCC Rcd 4117, released March 4, 2004 [ PDF | Word ] 530 KHz Travellers' Information Station WNHV296 granted a waiver to increase ERP to 100 watts due to terrorism concerns. April 7, 2003 Monroe Area Broadcasters, Inc, Licensee of WRKQ (AM), Madisonville, TN Forfeiture Order, DA 03-1033, 18 FCC Rcd 6255, released April 7, 2003 [ PDF | Word ]. Forfeiture for failing to reduce power at sunset, night operation at daytime power, and failure to identify station by call sign. February 10, 2003 Marshall County Radio Corp., Licensee of WAXO (AM), Lewisburg, TN Forfeiture Order, DA 03-363, 18 FCC Rcd 1588, released February 10, 2003 [ PDF | Word ]. $9,000 forfeiture for failing to enclose its AM tower within a locked fence or other enclosure. March 7, 2001 An inquiry into the Commission's Policy and Rules Regarding AM Radio Service Directional Antenna Performance Verification R&O & Further NPRM, MM Docket 93-177, FCC 01-60, 16 FCC Rcd 5635, released March 7, 2001 [ PDF | Word ]. Erratum, released April 2, 2001: [ PDF ]. June 29, 2000 Reier Broadcasting Company, Inc. KOBB(AM), Bozeman, MT Forfeiture Order, DA 00-1454, 15 FCC Rcd 9165, released June 29, 2000 [ Word  | Text ]. Failure to provide a locked fence around an AM station. July 12, 1999 AM Directional Antenna Stability Assessment Program Code Source Code, released July 12, 1999 via the Internet only. [ HTML ] Source code created in conjunction with the NPRM in MM Docket 93-177 (see the next item). June 11, 1999 An inquiry into the Commission's Policy and Rules Regarding AM Radio Service Directional Antenna Performance Verification NPRM, FCC 99-126, MM Docket 93-177, 64 FR 40539, released June 11, 1999 [ PDF | Word ]. (Comment due date was extended to November 9, 1999 and reply comment date to November 24, 1999 by Order released August 31, 1999: [ PDF | Word ].) February 18, 1999 Hemmingford Media, Inc. (WAPB (AM), Murfreesboro, TN) Forfeiture Order, DA 99-336, released February 18, 1999 [ WP5.1 | Text ]. Not reducing to nighttime power level, public inspection file violations. December 21, 1998 M3 Estimated Effective Ground Conductivity in the United States (A Wall Map) Map, Original HTML page posted December 21, 1998 [ HTML ]. Map portions can be downloaded to form a large map showing the M3 groundwave conductivity lines. March 30, 1998 AM Ground System Correction Factors for Nondirectional AM Stations Information, Original HTML page posted March 30, 1998 [ HTML ]. March 5, 1998 Wings Communications, Inc. (WELE (AM), Ormond Beach, FL) Forfeiture Order, DA 98-427, 13 FCC Rcd 10806, released March 5, 1998 [ WP5.1 | Text ]. AM station equipment performance measurements per 47 CFR 73.1590(a)(6). December 23, 1997 Delta Radio Corp. (KELE (AM), Sikeston, MO) Forfeiture Order, DA 97-2666, released December 23, 1997 [ WP5.1 | Text ]. Out of tolerance operation. October 2, 1997 Letter to Southwestern Bell Mobile Systems Letter, released October 2, 1997 [ HTML | Word ] Nonbroadcast tower construction near an AM tower. February 4, 1997 Fayetteville Cellular Telephone Company L.P. (KNKA485) MO&O, DA 97-208, 12 FCC Rcd 1385, released February 4, 1997 [ PDF | Scanned ] Forfeiture for tower construction near an AM directional array without notice to the AM station. See also the September 26, 1996 NALF, 11 FCC Rcd 12266: [ PDF | Scanned ]. November 23, 1993 Establish a Single AM Radio Stereophonic Transmitting Equipment Standard R&O, ET Docket 92-298, FCC 93-485, 8 FCC Rcd 8216, released November 23, 1993 [  PDF ] See also the April 24, 1994 Supplemental Order to Docket 92-298: [ PDF ]. July 18, 1990 Improved Methods for Calculating Groundwave Field Strength in the AM Broadcast Band R&O, MM Docket 88-510, FCC 90-139, 5 FCC Rcd 4489, released July 18, 1990 [  Scanned ] See also the groundwave curves and the M3 conductivity map July 18, 1990 Improved Methods for Calculating Skywave Field Strength in the AM Broadcast Band R&O, MM Docket 88-508, FCC 90-138, 5 FCC Rcd 4482, released July 18, 1990 [  PDF ]  See also the November 4, 1988 NPRM in MM Docket 88-508: [ PDF ]. July 18, 1990 Policies to Encourage Interference Reduction Between AM Broadcast Stations R&O, MM Docket 89-46, FCC 90-137, 5 FCC Rcd 4492, released July 18, 1990 [ Scanned ] See also the topic AM Interference Reduction Agreements. December 1, 1987 Unlimited-time Operation by Existing AM Daytime-Only Radio Broadcast Stations; Discontinuance of Authorization of Additional Daytime-Only Stations; Minimum Power of Class III Stations R&O, MM Docket 87-131, FCC 87-356, 2 FCC Rcd 7113, released December 1, 1987 [  PDF ]     December 10, 1997 Erratum: [ PDF ]     June 15, 1998 Erratum: [ PDF ]     February 22, 1989 MO&O: [ PDF ] No new AM daytime-only stations will be authorized. January 10, 1986 Meter orientation when taking AM field strength measurements Letter, released January 10, 1986 [ PDF ] October 11, 1985 The Application Process and the Use of Non-Discrete Power Levels for AM Stations Public Notice, Reference No. 0257, released October 11, 1985 [ PDF ]. October 25, 1984 Protection Standards for AM Stations in Alaska R&O, MM Docket 83-807, FCC 84-489, 99 FCC 2d 77, released October 25, 1984 [ PDF ]. August 14, 1984 Amendment of Parts 2 and 73 of the Commission's Rules Concerning the Use of the AM Carrier R&O, MM Docket 83-1322, FCC 84-301, 100 FCC 2d 5, released August 14, 1984 [ PDF ]. April 13, 1984 Hours of Operation of Daytime-only AM Broadcast Stations; Amendment of Section 73.81 of the Commission's Rules (Hours of Operation of Dominant and Secondary Stations) MO&O, BC Docket 82-538 and Docket 18421, FCC 84-157, 97 FCC 2d 657, released April 13, 1984 [ PDF ]. March 9, 1981 Amendment of Section 73.99 R&O, BC Docket 80-244, FCC 81-80, 85 FCC 2d 709, released March 9, 1981 [ PDF ]. Uniform 6:00 AM presunrise operation start time for certain AM stations. February 9, 1981 Amendment of the Rules Governing the Conversion of Radiation Patterns [to standard patterns] in the AM Broadcast Service R&O, Docket 21473, FCC 81-45, 84 FCC 2d 796, released March 9, 1981 [ PDF ] 3.9 MB.. Standard radiation patterns for AM broadcast stations. December 6, 1979 Letter to Donald G. Everist, Chairman, FCC Processing and Procedure Committee, AFCCE, from Richard J. Shiben, Chief, Broadcast Bureau Letter, released December 6, 1979 [ Scanned ]. "Direct Ratio method" for AM monitoring point measured field strengths. Related News Release dated December 7, 1979: [ PDF ]. December 18, 1968 B&W Truck Service Letter, FCC 68-1209, 15 FCC 2d 769, dated December 18, 1968 [ PDF ]. New tower caused distortion of KCRC (AM) directional pattern; B&W Truck Service was ordered to fix the problem. September 13, 1961 Clear Channel Broadcasting in the Standard Broadcast Band R&O, Docket 6741, FCC 61-1106, 31 FCC 565, 21 RR 1801, adopted September 13, 1961 [ PDF ]. Revised rules for 13 clear channel frequencies; 13 new Class II assignments must protect Class I station's service out to roughly 700 miles. Educational reservations on the AM Band denied. Supplement to R&O released October 27, 1961, 31 FCC 902: [  PDF ] February 24, 1954 Amendment of Part 3 (Radio Broadcast Services) ... Concerning Standard Broadcast Stations R&O, 43 FCC 2d 2250, 10 RR 1538, adopted February 24, 1954 [ PDF ] M3 ground conductivity map adopted. October 8, 1952 Physical Limitations to Directional Antenna Systems in the Standard [AM] Broadcast Band Report, FCC Office of Chief Engineer, Technical Research Division, T.R.R. Report No. 1.2.6., released October 8, 1952 [ PDF ] Authored by Harry Fine.

Antenna Structure Registration

February 9, 1999 FM Broadcast Station KNEC [FM], Arnold Broadcasting Company, Inc. Forfeiture Order, DA 00-225, 15 FCC Rcd 2704, released February 9, 2000 [ PDF | Word | Text ]. Related orders. June 21, 1999 Commission Announces New Procedures for Antenna Structure Registration Public Notice, DA 99-1186, released June 21, 1999 [ WP5.1 | Text ]. Revised Form 854, Taxpayer Identification Numbers (TIN) required. December 4, 1998 FCC Audit of Antenna Structures Indicates Poor Compliance With Registration Rules News Release, Report No. CI 98-28, released December 4, 1998 [ PDF | Word ]. July 19, 1996 Antenna Structure Registration Procedures Clarified Public Notice, 11 FCC Rcd 8653, released July 19, 1996 [ PDF ]. June 13, 1996 Antenna Structure Registration Number Required As Supplement to FCC Application Forms Effective July 1, 1996 Public Notice, released June 13, 1996 [ PDF ].

Auxiliary (or Backup) Facilities

April 3, 1998 1998 Biennial Regulatory Review -- Streamlining of Mass Media Applications, Rules and Processes NPRM, MM Docket 98-43, FCC 98-57, 13 FCC Rcd 11349, released April 3, 1998 [ PDF | Word ]. August 22, 1997 Certain Minor Changes in Broadcast Facilities Without a Construction Permit R&O, FCC 97-290, 12 FCC Rcd 12371, 62 FR 51052, released August 22, 1997 [ PDF | Word ]. October 04, 1995 Letter re proposed auxiliary facility for WMHK Letter, released October 4, 1995 [ HTML ]. Waiver request denied to allow extension of the auxiliary facility's 60 dBu contour beyond the main station's 60 dBu contour. September 26, 1994 KKLF (FM), Gonzales, CA Letter, released September 26, 1994 [ PDF | HTML ]. 8 radials insufficient: use as many radials as necessary to accurately locate the contours.

Contour Protection

Section 73.215 for Commercial FM Stations April 13, 2004 R&S Media [KBNH (FM), Homedale, ID] Memorandum Opinion and Order and Order to Show Cause, , DA 04-960, , released April 13, 2004 [ PDF  | Word ]. Waivers of Section 73.215(a) and (e); Section 316 of the Communications Act. November 11, 2000 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules Second R&O, MM Docket 98-93, FCC 00-368, 15 FCC Rcd 21649, released November 11, 2000 [ Word  | Text ]. 47 CFR Section 73.215(e) revised, also 73.215 for PR & VI stations February 11, 2000 Table of Allotments, Buras, LA R&O, MM Docket 99-204, DA 00-256, released February 11, 2000 [ Word  | Text ]. No site available for allotment (swampland). October 1, 1999 Greater Media Radio Company, Inc. [WPLY-FM, Media, PA] MO&O, FCC 99-226, 15 FCC Rcd 7090, released October 1, 1999 [ Word  | Text ]. See also the MO&O released October 20, 2000, FCC 00-128, 15 FCC Rcd 20485, denying appeal: [ Word ]. June 15, 1998 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules NPRM, MM Docket 98-93, FCC 98-117, 13 FCC Rcd 14849, 63 FR 33892, released June 15, 1998 [ PDF (includes appendices) | WP5.1 | Text ]    Appendices: [ WP5.1 ] Related information about the proposed point-to-point contour calculation method is located at http://www.fcc.gov/mb/audio/ptp/index.html and http://www.fcc.gov/oet/fm/ptp/. The comment due dates were extended by the July 23, 1998 Order, DA 98-1468, 13 FCC Rcd 13513: [ WP5.1 | Text ]. August 22, 1997 Certain Minor Changes in Broadcast Facilities Without a Construction Permit R&O, FCC 97-290, 12 FCC Rcd 12371, 62 FR 51052, released August 22, 1997 [ WP5.1 | Text ]. September 27, 1996 Thunderbolt Broadcasting (WCDZ, Dresden, TN) Letter, released September 27, 1996 [ HTML ]. Application for review denied April 1, 1998. March 21, 1996 ECI License Corporation [WYUU (FM), Safety Harbor, FL] MO&O, 96-83, 11 FCC Rcd 3545, released March 21, 1996 [ HTML ]. Decision affirmed by D.C. Cir. Court of Appeals, Case No. 96-1122, 323 U.S.App.D.C. 173, 106 F.3d 442, December 26, 1996. September 5, 1995 Letter re: WVZA (FM), Herrin, IL Letter, , , released September 5, 1995 [ PDF ]. Class A to B1 one step upgrade; waiver of Section 73.215(a) denied regarding prohibited contour overlap. November 18, 1993 Letter re KVYZ (FM), Thousand Palms, CA Letter, released November 18, 1993 [ PDF ]. Once station is authorized under the contour protection rule (Section 73.215)toward a grandfathered short-spaced station, the contour protection station cannot later use Section 73.213 toward the grandfathered station. September 27, 1993 WAVI (FM), Christiansted, VI Letter, 8 FCC Rcd 7329, released September 27, 1993 [ HTML ]. Procedures for Section 73.215 contour protection in Puerto Rico and the U.S. Virgin Islands. Later adopted as a rule revision to 47 CFR 73.215. October 5, 1992 Short-Spaced FM Station Assignments by Using Directional Antennas Order, MM Docket 87-121, DA 92-1325, 7 FCC Rcd 6473, 57 FR 46325, released October 5, 1992 [ PDF ]. Temporary note to 47 CFR 73.215(e) limiting spacing was removed. September 17, 1991 Short-Spaced FM Station Assignments by Using Directional Antennas MO&O, MM Docket 87-121, FCC 91-273, 6 FCC Rcd 5356, released September 17, 1991 [ PDF ].     Erratum of October 9, 1991, 6 FCC Rcd 5777: [ PDF ]     Erratum of November 8, 1991, 6 FCC Rcd 6537: [ PDF ]     February 22, 1989 Short-Spaced FM Station Assignments by Using Directional Antennas R&O, MM Docket 87-121, FCC 88-406, 4 FCC Rcd 1681, 54 FR 09800, released February 22, 1989 [ Scanned ]. Contour protection for commercial FM stations first adopted.

Next subject Previous subject Section 73.509 for Noncommercial Educational FM Stations January 5, 2005 Lakeside Communications, Inc. MO&O, , FCC 04-298, 20 FCC Rcd 763, released January 5, 2005 [ PDF  | Word ]. Co-channel waiver requestof Section 73.509 denied for a Class D station applying for Class A facilities. November 11, 2000 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules Second R&O, MM Docket 98-93, FCC 00-368, 15 FCC Rcd 21649, released November 11, 2000 [ Word  | Text ]. 47 CFR Section 73.509 revised to use 100 dBu interfering contour for second-adjacent channel noncommercial educational FM stations. June 15, 1998 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules NPRM, MM Docket 98-93, FCC 98-117, 13 FCC Rcd 14849, 63 FR 33892, released June 15, 1998 [ PDF (includes appendices) | WP5.1 | Text ]    Appendices: [ WP5.1 ] Related information about the proposed point-to-point contour calculation method is located at http://www.fcc.gov/mb/audio/ptp/index.html and http://www.fcc.gov/oet/fm/ptp/. The comment due dates were extended by the July 23, 1998 Order, DA 98-1468, 13 FCC Rcd 13513: [ WP5.1 | Text ]. November 12, 1997 NEW (FM), Cabo Rojo, PR Letter, released November 12, 1997 [ HTML | WP5.1 ] Denied request for an Order to Show cause to modify another FM noncommercial educational station's frequency so that this application could be accepted. October 30, 1997 NEW (FM), Orland Park, IL Letter, released October 30, 1997 [ HTML | WP5.1 ] Service contour wholly within interference contour of another station; waiver request denied. August 22, 1997 Certain Minor Changes in Broadcast Facilities Without a Construction Permit R&O, FCC 97-290, 12 FCC Rcd 12371, 62 FR 51052, released August 22, 1997 [ WP5.1 | Text ]. May 20, 1997 Educational Information Corporation (WCPE) MO&O, FCC 97-170, 12 FCC Rcd 6917, released May 20, 1997 [ WP5.1  | Text ] 0.8% increase in service area does not justify waiver of 47 CFR 73.509 to cause prohibited contour overlap. Application for review denied. November 12, 1996 NEW (FM), Bernalillo, NM Letter, released November 12, 1996 [ HTML ] Request for waiver of 47 CFR 73.509 to allow colocated third-adjacent channel FM educational stations denied. October 21, 1996 NEW (FM), Pollock Pines, CA Letter, released October 21, 1996 [ HTML ] Request for waiver to create a new "hole" of interference in another station's service area was denied. September 26, 1996 Saddleback Community College (KSBR) MO&O, FCC 96-369, 11 FCC Rcd 11938, released September 26, 1996 [ HTML | WP5.1  | Text ] July 2, 1996 Board of Education of the City of Atlanta (WABE (FM)) MO&O, FCC 96-20 11 FCC Rcd 7763, released July 2, 1996 [ PDF ] Denial of request for waiver to cause prohibited cochannel overlap affirmed, even where other station has consented to the overlap. June 15, 1993 Open Media Corporation MO&O, FCC 93-301, 8 FCC Rcd 4070, released June 15, 1993 [ PDF ] Contour overlap waiver denied: programming or ownership not basis for contour overlap waiver; increased coverage at the expense of objectionable interference alone does not justify waiver. March 9, 1993 Lehigh Valley Community Broadcasters Board of Directors [ NEW (FM), Allentown, PA] HDO, MM Docket 93-37, FCC 93-154, 8 FCC Rcd 1643, released March 9, 1993 [ HTML ] Received prohibited contour overlap encompasses 58% of proposed service contour; request for waiver (on reconsideration) denied. April 24, 1991 Educational Information Corporation [WCPE] MO&O, FCC 91-104, 6 FCC Rcd 2207, released April 24, 1991 [ PDF ] Waivers of second and third adjacent channel overlap may be considered for existing stations where there "the benefit of increased noncommercial educational service so heavily outweighs the potential for interference in very small areas."

Development of FM and TV Propagation Curves

June 15, 1998 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules NPRM, MM Docket 98-93, FCC 98-117, 13 FCC Rcd 14849, 63 FR 33892, released June 15, 1998 [ PDF (includes appendices) | WP5.1 | Text ]    Appendices: [ WP5.1 ] Related information about the proposed point-to-point contour calculation method is located at http://www.fcc.gov/mb/audio/ptp/index.html and http://www.fcc.gov/oet/fm/ptp/. The comment due dates were extended by the July 23, 1998 Order, DA 98-1468, 13 FCC Rcd 13513: [ WP5.1 | Text ]. January 1976 Field Strength Calculation for TV and FM Broadcasting Report, FCC/OCE RS76-01, by Gary S. Kalagian. released January 1976 [ Scanned ] FM and TV propagations curves program. November 5, 1975 Temporary Suspension of Certain Portions of Sections 73.313, 73.333, 73.684 and 73.699 Order, FCC 75-1226, 56 FCC 2d 749, released November 5, 1975 [ PDF | Scanned ] The 1975 suspension of the use of the terrain roughness correction factor remains in effect today. June 27, 1975 Amendment of Sections 73.333 and 73.699 Field Strength Curves for FM and TV Broadcast Stations [Docket 16002]; Amendment of Part 73 of the Rules Regarding Field Strength Measurements for FM and TV Broadcast Stations [Docket 18052] R&O, Dockets 16002 and 18052, FCC 75-636, 53 FCC 2d 855, released June 27, 1975 [ PDF ]. FM and TV field strength curves were revised. Terrain roughness factor adopted [later suspended, November 5, 1975]. September 7, 1966 Development of VHF and UHF Propagation Curves for TV and FM Broadcasting Report, Report No. R-6602, released September 7, 1966 [ Scanned ] September 28, 1944 VHF Radio Field Strength Measurements 1943-1944 Exhibit No. 4, Docket No. 6651, 39 FCC 171, released September 28, 1944 [ Scanned ] September 28, 1944 Very-High-Frequency and Ultra-High-Frequency Signal Ranges as Limited by Noise and Co-channel Interference Exhibit No. 593, Docket No. 6651, 39 FCC 202, released September 28, 1944 [ Scanned ]

Digital Radio Broadcasting in the USA

Related information can be found on the digital radio page. April 20, 2004 Digital Audio Broadcasting Systems And Their Impact on the Terrestrial Radio Broadcast Service Further NPRM and NOI, , FCC 04-99, released April 20, 2004 [ PDF | Word ]. Comments due by June 16, 2004; reply comments due July 16, 2004. April 14, 2004 Comment Sought on Use of Digital AM Transmissions During Nighttime Hours Public Notice, DA 04-1007, released April 14, 2004 [ PDF | Word ] Comments due by June 14, 2004; reply comments due July 14, 2004. March 17, 2004 Use of Separate Antennas to Initiate Digital FM Transmissions Approved Public Notice, DA 04-712, released March 17, 2004 [ PDF | Word ] Special Temporary Authority (STA) must be requested and granted before digital FM operations can commence. December 8, 2003 Comment Sought on Use of Separate Antennas to Initiate Digital FM Systems Public Notice, DA 03-3898, released December 8, 2003 [ PDF | Word ] Comments sought by January 8, 2004; reply comments by January 23, 2004. Subject is the NAB's July 24, 2003 report (PDF, 113 pages) on the use of separate antennas for digital FM broadcasting. March 24, 2003 Interference Immunity Performance Specifications for Radio Receivers / Review of the Commission's Rules and Policies Affecting the Conversion to Digital Television NOI, ET Docket 03 - 65 / MM Docket 00-39, FCC 03-54, released March 24, 2003 [ PDF | Word ] Commissioners' statements (PDF): [ Powell  |  Abernathy  |  Copps  |  Martin  |  Adelstein ] March 20, 2003 IBOC Notification Procedures Effective Immediately Public Notice, DA-03-831 released March 20, 2003 [ PDF | Word ] AM & FM stations implementing IBOC hybrid digital operation must notify the FCC within 10 days of commencing such operation, using the notification form in this Public Notice. October 11, 2002 Digital Audio Broadcasting Systems And Their Impact on the Terrestrial Radio Broadcast Service First R&O, MM Docket 99-325, FCC 02-286, 17 FCC Rcd 19990, released October 11, 2002. [ PDF | Word | Text ] FM IBOC Specifications (Appendix B): [ PDF | Word | Text ] AM IBOC Specifications (Appendix C): [ PDF | Word | Text ] October 10, 2002 FCC Selects Digital Radio Technology; Authorizes AM and FM Interim, Voluntary Digital Operation News Release, MM Docket 99-325, released April 19, 2002 [ PDF | Word | Text ] Commissioners' Statements: Abernathy & Martin: [ PDF | Word | Text ] Copps: [ PDF | Word | Text ] April 19, 2002 Comment Sought on National Radio Systems Committee DAB Subcommittee's "Evaluation of the Ibiquity Digital Corporation IBOC System [regarding AM In-Band On-Channel Digital Radio Broadcasting] Public Notice, MM Docket 99-325, DA 02-899, released April 19, 2002 [ PDF | Word | Text ]. Comments were due by June 18, 2002, reply notes were due by July 18, 2002. November 1, 1999 Digital Audio Broadcasting Systems And Their Impact on the Terrestrial Radio Broadcast Service NPRM, MM Docket 99-325, FCC 99-327, 64 FR 61054, released November 1, 1999 [ Word | Text ]. October 7, 1998 Amendment of Part 73 of the Commission's Rules to Permit the Introduction of Digital Audio Broadcasting in the the AM and FM Broadcasting Services [USADR Petition] Petition for Rulemaking, RM-9395, filed October 7, 1998 [ PDF ]. This document initiated MM Docket 99-325.

Directional Antennas

AM Directional Antennas July 7, 2003 Amendment of Sections 73.62 and 73.1350 of the Ciommission's Rules [for AM directional broadcast stations] NPRM, MB Docket 03-151, FCC 03-160, released July 7, 2003 [ PDF | Word ]. Consideration of procedures when AM directional stations cannot be maintained within tolerances. Comments due by August 29, 2003, reply comments due September 18. 2003. March 7, 2001 An inquiry into the Commission's Policy and Rules Regarding AM Radio Service Directional Antenna Performance Verification R&O & Further NPRM, MM Docket 93-177, FCC 01-60, released March 7, 2001 [ Word | Text ]. Erratum, released April 2, 2001: [ Word ]. July 12, 1999 AM Directional Antenna Stability Assessment Program Code Source Code, released July 12, 1999 via the Internet only. [ HTML ] Source code created in conjunction with the NPRM in MM Docket 93-177 (see the next item). June 11, 1999 An inquiry into the Commission's Policy and Rules Regarding AM Radio Service Directional Antenna Performance Verification NPRM, FCC 99-126, MM Docket 93-177, 64 FR 40539, released June 11, 1999 [ Word  | Text ]. Comment due date was extended to November 9, 1999 and reply comment date to November 24, 1999 by Order released August 31, 1999: [ WP5.1 | Text ]. June 19, 1998 Polnet Communications, Ltd. [WKTA (AM), Evanston, IL] Forfeiture Order, DA 98-1189, released June 19, 1998 [ WP5.1 | Text ]. May 8, 1998 Bronco Broadcasting Co., Inc., [KIRL (AM), St. Charles, MO] Forfeiture Order, DA 98-866, released June 19, 1998 [ WP5.1 | Text ]. December 9, 1985 Criteria for Approval of Sample Systems for Directional AM Broadcast Stations Public Notice, released December 9, 1985 [ PDF ]. December 6, 1979 Letter to Donald G. Everist, Chairman, FCC Processing and Procedure Committee, AFCCE, from Richard J. Shiben, Chief, Broadcast Bureau Letter, BC Docket 82-538 and Docket 18421, FCC 84-157, 97 FCC 2d 657, released December 6, 1979 [ Scanned ]. "Direct Ratio method" for AM monitoring point measured field strengths. Related News Release dated December 7, 1979: [ PDF ]. February 12, 1976 Sampling System Design and Installation for AM Directional Antennas -- Excerpts from "Design and Installation of Sampling Systems for Antenna Monitors in Standard Broadcast Stations With Directional Antennas" R&O, Docket 19692, FCC 76-101, 57 FCC 2d 1085, released February 12, 1976 [ HTML ]. These considerations remain valid today.

Next subject Previous subject FM Directional Antennas April 3, 1998 1998 Biennial Regulatory Review -- Streamlining of Mass Media Applications, Rules and Processes NPRM, MM Docket 98-43, FCC 98-57, 13 FCC Rcd 11349, released April 3, 1998 [ WP5.1 ]. August 22, 1997 Certain Minor Changes in Broadcast Facilities Without a Construction Permit R&O, Docket 96-58, FCC 97-290, 12 FCC Rcd 12371, 62 FR 51052, released August 22, 1997 [ WP5.1 | Text ]. October 24, 1996 FM Directional Antenna Program Test Authority Requirements Web page, posted October 24, 1996 [ HTML ]. Updated. June 21, 1993 Amendment of Section 73.316(a) of the Commission's Rules Order, RM-7566, FCC 93-306, 8 FCC Rcd 4166, released June 21, 1993 [ PDF ]. Petition to allow commercial FM stations to use vertical-only polarization is denied. October 5, 1992 Short-Spaced FM Station Assignments by Using Directional Antennas Order, MM Docket 87-121, DA 92-1325, 7 FCC Rcd 6473, 57 FR 46325, released October 5, 1992 [ PDF ]. Temporary note to 47 CFR 73.215(e) limiting spacing was removed. September 17, 1991 Short-Spaced FM Station Assignments by Using Directional Antennas MO&O, MM Docket 87-121, FCC 91-273, 6 FCC Rcd 5356, released September 17, 1991 [ Scanned ].     Erratum of October 9, 1991, 6 FCC Rcd 5777: [ PDF ]     Erratum of November 8, 1991, 6 FCC Rcd 6537: [ PDF ]     February 22, 1989 Short-Spaced FM Station Assignments by Using Directional Antennas R&O, MM Docket 87-121, FCC 88-406, 4 FCC Rcd 1681, 54 FR 09800, released February 22, 1989 [ Scanned ]. Contour protection for commercial FM stations first adopted. September 14, 1984 Criteria for Licensing of FM Broadcast Antenna Systems Public Notice, FCC 84-437, released September 14, 1984 [ PDF ]. Any technique or means (including side mounting) which intentionally distorts the radiation pattern of an FM antenna requires that the antenna be licensed as directional.

Early Radio

Annual Reports of the Federal Communication Commission and the Federal Radio Commission 64th Annual Report Annual Report, [ PDF | Word ]. 1997 63rd Annual Report Annual Report, [ PDF ]. 1996 62nd Annual Report Annual Report, [ PDF ]. 1995 61st Annual Report Annual Report, [ PDF ]. January 4, 1938 Third Annual Report of the Federal Communications Commission To the Congress of the United States For the Fiscal Year Ended June 30 1937 Annual Report, released January 4, 1938 7.3 MB in size: [ PDF ] Fold out map (page 186): [ HTML ]. January 5, 1937 Second Annual Report of the Federal Communications Commission To the Congress of the United States For the Fiscal Year Ended June 30 1936 Annual Report, released January 5, 1937 5.5 MB in size: [ PDF ] Oversize fold-out pages: [ HTML ] January 6, 1936 First Annual Report of the Federal Communications Commission To the Congress of the United States For the Fiscal Year 1935 Annual Report, released January 6, 1936 PDF (entire document, 3.65 MB): [ PDF ] or scanned document sections: [ Pages 1 to 48  | Pages 49 to 92 ] Annual Reports of the Federal Radio Commission (1927-1933) January 3, 1934 Seventh Annual Report of the Federal Radio Commission to the Congress of the United States for the Fiscal Year 1933 Annual Report, released January 3, 1934 Scanned document sections: [ Pages 1 to 28  | Pages 49 to 45 ] December 5, 1932 Sixth Annual Report of the Federal Radio Commission to the Congress of the United States for the Fiscal Year 1932 Annual Report, released December 5, 1932 Scanned document sections: [ Pages 1 to 24  | Pages 25 to 49 ] December 7, 1931 Fifth Annual Report of the Federal Radio Commission to the Congress of the United States for the Fiscal Year 1931 Annual Report, released December 5, 1932 Scanned document sections: [ Pages 1 to 39  | Pages 40 to 59  | Pages 60 to 104 ] December 1, 1930 Fourth Annual Report of the Federal Radio Commission to the Congress of the United States for the Fiscal Year 1930 Annual Report, released December 1, 1930 Scanned document sections: [ Pages 1 to 37  | Pages 38 to 70 ] November 1, 1929 Third Annual Report of the Federal Radio Commission to the Congress of the United States Covering the Period October 1, 1928 to November 1, 1929 Annual Report, released November 1, 1929 Scanned document sections: [ Pages 1 to 52  | Pages 53 to 77  | Pages 78 to 120 ] October 26, 1928 Second Annual Report of the Federal Radio Commission to the Congress of the United States for the Year Ended June 30, 1928 Annual Report, released October 26, 1928 Scanned document sections: [ Pages 1 to 40  | Pages 41 to 65  | Pages 66 to 100  | Pages 101 to 130  | Pages 131 to 191  | Pages 192 to 222  | Pages 223 to 258 ]  [ 1928 Spectrum Chart ] July 1, 1927 Annual Report of the Federal Radio Commission to the Congress of the United States for the Fiscal Year Ended June 30, 1927 Annual Report, released July 1, 1927 [ PDF  | Scanned ] January 25, 1935 The Crosley Radio Corporation (WLW), Cincinatti, Ohio for Extension of Special Temporary Experimental Operation Decision and Order, 1 FCC 206, released January 25, 1935 [ PDF ] WLW / W8XO's request for extension of STA to operate with 500 kilowatts. July 17, 1934 FCC Order No. 1 Order, 1 FCC 3, released July 17, 1934 [ Scanned ] This document dealt with the initial organization of the FCC. June 19, 1934 Communications Act of 1934 Act of Congress, Pub. Law No. 416-73rd Congress, approved June 19, 1934 [ PDF ] Original Communications Act, creating the FCC. May 18, 1934 Extortion by Means of Telephone, Telegraph, Radio, Oral Message, or Otherwise Act of CongressPub. Law No. 231-73rd Congress, dated May 18, 1934 [ PDF ] S2249, 73rd Congress. April 10, 1934 Hearings Before the Committee on Interstate and Foreign Commerce, House of Representatives, on HR 8301, A Bill To Provide for the Regulation of Interstate and Foreign Communication By Wire Or Radio, and for Other Purposes Hearings, April 10, 1934 [ PDF ] HR8301, 73rd Congress. 368 pages / 27 MB. March 22, 1934 Regulation of American Broadcasting Companies Operating Across the International Border HR Report No. 1037, dated March 22, 1934 [ PDF ] March 15,16,19,20, 1934 Hearings before the Committee on Merchant Marine, Radio, and Fisheries [House of Representatives] Hearings, March 15, 16, 19, 20, 1934 [ PDF ] Hearings on Bill H.R. 7986. 230 pages (16.2 MB) March 9, 10, 13, 14, 15, 1934 Hearings before the Committee on Interstate Commerce [United States Senate] Hearings, dated February 20, 1934 [ PDF ] Hearings on Senate Bill S. 2910. 220 pages (16.7 MB) February 26, 1934 Message from the President of the United States Recommending the Congress Create a New Agency To Be Known As The Federal Communications Commission Message, February 26, 1934 [ PDF ] FDR message to the 73rd US Congress. Document No. 144 February 19, 1934 Regulation of American Broadcasting Companies Operating Across the International Border Senate Report No. 319, dated February 19, 1934 [ PDF ] January 23, 1934 Letter from the President of the United States to the Chairman of the Committee on Interstate Commerce, Transmitting A Memordadum from the Secretary of Commerce Relative to a Study of Communications by an Interdepartmental Committee Letter and attached study, cover letter dated January 23, 1934 [ PDF ] FDR letter. June 1932, monthly from January, 1915 Radio Service Bulletins (Nos. 1 through 183) [Bureau of Navigation and Radio Division, Department of Commerce] Bulletins, January 1915 to June 1932 [ Radio Service Bulletins page ]  List of Contents: [ PDF ] Federal Radio Commission orders in RSB: [ PDF ] These 183 scanned or PDF documents provide glimpses of the progress of radio and television between 1915 and 1932.. July 1, 1930 Annual Report of the Chief of the Radio Division [Department of Commerce] to the Secretary of Commerce for the Fiscal Year Ended June 30, 1930 Annual Report, released July 1, 1930 [ PDF ] July 1, 1929 Annual Report of the Chief of the Radio Division [Department of Commerce] to the Secretary of Commerce for the Fiscal Year Ended June 30, 1929 Annual Report, released July 1, 1929 [ PDF ] June 30, 1927 Commercial and Government Radio Stations of the United States, Edition June 30, 1927 [Radio Division, Department of Commerce] Lists, released June 30, 1927 Scanned document sections: [ Pages 1 to 49  | Pages 50 to 65  | Pages 66 to 92  | Pages 93 to 123  | Pages 124 to 137 ] Land and ship radio stations, radiobeacons, Morse code February 23, 1927 Radio Act of 1927 Act of Congress, dated February 23, 1927 [ Scanned ] The Radio Act of 1927 established the Federal Radio Commission, predecessor to the FCC. April 16, 1926 United States v. Zenith Radio Corporation et al. Decision, No. 14257 (District Court N.D. Illinois, E.D. April 16, 1926), decided April 16, 1926 [ HTML ] Court: Congress did not delegate to the Secretary of Commerce the power to address wrongdoing by licensed stations. A11 penalties were set forth in the legislation. February 5, 1923 Hoover, Secretary of Commerce, v. Intercity Radio Co., Inc. Decision, No. 3766 (52 App D.C. 339, 286 Fed.1003), decided February 5, 1923 [ HTML ] Court: Congress had not given the Secretary of Commerce discretion over the issuance of licenses. August 15, 1919 Radio Communication Laws of the United States and the International Radiotelegraphic Convention: Regulations Governing Radio Operators and the Use of Radio Apparatus on Ships and on Land Edition of August 15, 1919 Scanned document sections: [ Pages 1 to 48  | Pages 49 to 102 ] From the Department of Commerce, Bureau of Navigation, Radio Service, edition of August 15, 1919. Includes the text of the Ship Radio Act of 1910 as amended in 1912.

Next subject Previous subject Early AM Radio -- Selected Documents October 8, 1952 Physical Limitations to Directional Antenna Systems in the Standard [AM] Broadcast Band Report, T.R.R. Report No. 1.2.6., released October 8, 1952 [ Scanned ]. Document from the FCC Office of Chief Engineer, Technical Research Division. The author was Harry Fine. April 19, 1949 Synchronous or Common Frequency Broadcasting [North American Broadcasting Regional Engineering Committee] Report, released April 19, 1949 [ Scanned ]. August 11, 1943 Supplemental Statement of Policy Concerning Applications for Permits to Construct or Change Local Channel Standard Broadcast Stations Policy Statement, 9 FCC 369, released April 19, 1949 [ Scanned ]. February 23, 1942 Policy and Procedure for Handling Standard Broadcast Applications [during WWII] MO, 9 FCC 369, released February 23, 1942 [ Scanned ].

Next subject Previous subject Early FM Radio -- Selected Documents February 2, 1966 Policy to Govern the Change of FM Channels to Avoid Interference to Television Reception Public Notice, 66-106, 2 FCC 2d 462, released February 2, 1966 [ PDF | Scanned ]. Second harmonic interference to TV reception (Channels 7 to 13); policy on changing FM allotments to prevent such interference. March 31, 1965 Amendment of Parts 2 and 73 of the Commission's Rules to Permit the Use of the Frequency 108.0 MHz by [Aeronautical] Test Facilities R&O, Docket 15578, 39 FCC 597, released March 31, 1965 [ Scanned ]. 108.0 MHz is the dividing line between the FM broadcast and aeronautical bands. May 9, 1960 Inquiry into Amendment of Parts 2, 3 and 4 of the Commission's Rules and Regulations and the Standards of Good Engineering Practice Concerning FM Broadcast Stations to Engage in Specified Non-Broadcast Activities on a Multiplex Basis R&O, 60-497, Docket 12517, released May 9, 1960 [ Scanned ]. 240 SCA authorizations were authorized by May 1960. July 25, 1951 Radio Commission of the Southern Baptist Convention and the Executive Board of the Baptist General Convention of Texas MO&O, Docket 9470, 16 FCC 46, released July 25, 1951 [ Scanned ]. Request for low power, tax-exempt, religious FM broadcast service denied. May 5, 1948 Amendments to the Commission's Rules and Regulations Governing Sharing of Television Channels and Assignment of Frequencies to Television and Non-Government Fixed and Mobile Services R&O, Docket 8487, 39 FCC 336/fcc>, released May 5, 1948 [ Scanned ]. 24 FM broadcast stations were still on 44 - 48 MHz in mid-1948 (see table); deletion of TV Channel 1. July 19, 1946 Frequency Service Allocations to Non-Government Fixed and Mobile Services in the Band 42 - 44 Mc Public Notice, 39 FCC 252, released July 19, 1946 [ Scanned ]. Temporary protection to FM stations on 42 - 44 MHz prior to move to 88 - 108 MHz. March 5, 1946 Allocation of Frequencies to the Various Classes of Non-Governmental Services in the Radio Spectrum from 10 Kilocycles to 30,000,000 Kilocycles Report of the Commission, Docket 6651, 39 FCC 230, released March 5, 1946 [ Scanned ]. Two FM broadcasting bands not adopted; 88-108 MHz for FM broadcasts preferred. October 26, 1945 Assignment of FM Frequencies to Existing FM Licenses in the New York Metropolitan District Report by the Commission, 11 FCC 1151, released October 26, 1945 [ Scanned ]. September 12, 1945 List of Assignments for Existing FM Licensees Report by the Commission, 11 FCC 1504, released September 12, 1945 [ Scanned ]. June 27, 1945 Allocation of Frequencies to the Various Classes of Non-Governmental Services in the Radio Spectrum From 10 Kilocycles to 30,000,000 Kilocycles , 29 FCC 222, released June 27, 1945 [ Scanned ]. Possible frequency bands considered for FM broadcasting. September 28, 1944 VHF Radio Field Strength Measurements 1943-1944 Exhibit No. 4, Docket No. 6651, 39 FCC 171, released September 28, 1944 [ Scanned ] September 28, 1944 Very-High-Frequency and Ultra-High-Frequency Signal Ranges as Limited by Noise and Co-channel Interference Exhibit No. 593, Docket No. 6651, 39 FCC 202, released September 28, 1944 [ Scanned ] February 23, 1943 Public Notice of February 23, 1943 Public Notice, 9 FCC 367, released September 28, 1944 [ Scanned ] Pending FM applications held without action due to application filing freeze announced April 27, 1942. April 27, 1942 Policy and Procedure for the Handling of Broadcast Applications Exclusive of International, ST, Developmental, High Frequency Experimental and Non-Commercial Educational MO, 9 FCC 356, released April 27, 1942 [ Scanned ] May 20, 1940 Aural Broadcasting on Frequencies Above 25,000 Kilocycles Particularly Relating to Frequency Modulation Report on Frequency Modulation, Docket 5805, 39 FCC 29, released May 20, 1940 [ Scanned ] Changes within the 42 to 50 MHz FM broadcast band. March 13, 1939 Public Release Public Release, 39 FCC 16, released March 13, 1939 [ Scanned ] 75 aural channels (25 noncommercial educational) reserved for broadcasting between 41 & 44 MHz.

Experimental Authorizations for Radio Broadcast Stations (FCC Form 309)

Experimental authorizations for AM Synchronous Transmitters are under a separate heading below. March 28, 2001 Elimination of Experimental Broadcast Ownership Restrictions R&O, MM Docket 00-105, FCC 01-99, 16 FCC Rcd 7457, released March 28, 2001 [ PDF | Word | Text ]. February 2, 2000 Letter re: Request for an Experimental FM Broadcast Station, Bloomfield, CT Letter, released February 2, 2000 [ HTML ]. Request denied to operate (as an experimental station) a new low power station in the FM band. October 5, 1998 Letter re: Request for an Experimental FM Broadcast Station, Brookline, MA Letter, released October 5, 1998 [ HTML | WP5.1 ]. Request denied to operate (as an experimental station) a new station in the FM band. July 29, 1996 New Jersey Highway Authority (Sayreville & Holmdel, NJ) Letter, released July 29, 1996 [ HTML | WP5.1 ]. March 29, 1995 New Jersey Highway Authority (Sayreville & Holmdel, NJ) Letter, released March 29, 1995 [ HTML | WP5.1 ].

1964 Grandfathered Short-Spaced FM Stations - Section 73.213(a) (Docket 14185)

June 9, 2006 Table of Allotments, Elgin and Lombard, IL MO&O, , DA 06-1226, 15 FCC Rcd 2766, released June 9, 2006 [ PDF  | Word ]. Allotment for changed transmitter site and community must comply with Section 73.207, not Section 73.213(a) for grandfathered short-spaced FM stations. October 9, 2002 Table of Allotments, Murrietta, Arcadia, Fallbrook, Yucca Valley, and Desert Hot Springs, CA R&O, DA 02-2514, released October 9, 2002 [ PDF | Word | Text ] 1964 Grandfathered FM station cannot ignore second and third adjacent channel short-spacings if it wants to increase the station class. March 23, 2001 Table of Allotments, Kankakee and Park Forest, IL R&O, MM Docket 99-330, DA 01-700 , 16 FCC Rcd 6768, released March 23, 2001 [ PDF | Word | Text ] Change in community of license for a grandfathered short-spaced station. October 1, 1999 Greater Media Radio Company, Inc. [WPLY-FM, Media, PA] MO&O, FCC 99-226, 15 FCC Rcd 7090, released October 1, 1999 [ Word  | Text ]. See also the MO&O released October 20, 2000, FCC 00-128, 15 FCC Rcd 20485, denying appeal: [ Word ]. September 11, 1998 Table of Allotments, Sugar Hill and Toccoa, GA NPRM, MM Docket 98-162, DA 98-1785, 13 FCC Rcd 17750, released September 11, 1998 [ WP5.1 | Text ]. Change of community of license via rulemaking for a grandfathered short-spaced station. R&O: [ PDF |  Word | Text ] September 11, 1998 Table of Allotments, Sturgis, KY R&O, MM Docket 96-226 DA 98-1807, 12 FCC Rcd 8295, released September 11, 1998 [ WP5.1 | Text ]. August 8, 1997 Grandfathered Short-Spaced FM Stations R&O, MM Docket 96-120 FCC 97-276, 12 FCC Rcd 11940, 62 FR 50518, released August 8, 1997 [ WP5.1 | Text ]. Revised rules in 47 CFR 73.213(a) for stations which have remained grandfathered short-spaced since 1964. Effective date of revised rules was November 25, 1997. December 15, 1975 Commission Reaffirms Policy With Respect To Agreements Between Short-Spaced FM Stations Public Notice, FCC 75-1347, 57 FCC 2d 1263, 35 RR 2d 1063, 40 FR 58893, released December 15, 1975 [ PDF ] Policy was in effect until Section 73.213 was revised in 1987. October 9, 1964 Revision of FM Broadcast Rules, Particularly as to Allocation and Technical Standards 4th R&O, FCC 64-919, 40 FCC 868, 3 RR 2d 1571 released October 9, 1964 [ Scanned ]

1984 Grandfathered Short-Spaced FM Stations (Docket 80-90)

September 11, 1998 Table of Allotments, Sugar Hill and Toccoa, GA NPRM, MM Docket 98-162, DA 98-1785, 13 FCC Rcd 17750, released September 11, 1998 [ WP5.1 | Text ]. Change of community of license via rulemaking for a grandfathered short-spaced station. R&O: [ PDF |  Word | Text ] September 11, 1998 Table of Allotments, Sturgis, KY R&O, MM Docket 96-226 DA 98-1807, 12 FCC Rcd 8295, released September 11, 1998 [ WP5.1 | Text ]. January 12, 1995 The Livingston Radio Company [WHMI-FM, Howell, MI] MO&O, MM Docket 96-226 FCC 94-320, 10 FCC Rcd 574, released January 12, 1995 [ HTML ].

1989 Grandfathered Short Spaced FM Stations - Section 73.213(c) (Docket 88-375)

September 11, 1998 Table of Allotments, Sugar Hill and Toccoa, GA NPRM, MM Docket 98-162, DA 98-1785, 13 FCC Rcd 17750, released September 11, 1998 [ WP5.1 | Text ]. Change of community of license via rulemaking for a grandfathered short-spaced station. R&O: [ PDF |  Word | Text ] September 11, 1998 Table of Allotments, Sturgis, KY R&O, MM Docket 96-226 DA 98-1807, 12 FCC Rcd 8295, released September 11, 1998 [ WP5.1 | Text ]. October 30, 1996 KBUE (FM), Long Beach, CA Letter, MM Docket 96-226 released October 30, 1996 [ HTML | WP5.1 ]. Request for waiver of 47 CFR 73.213(c) denied. Terrain shielding not considered when predicting interference. January 12, 1995 The Livingston Radio Company [WHMI-FM, Howell, MI] MO&O, MM Docket 96-226 FCC 94-320, 10 FCC Rcd 574, released January 12, 1995 [ HTML ]. November 18, 1993 Letter re KVYZ (FM), Thousand Palms, CA Letter, released November 18, 1993 [ PDF ]. Once station is authorized under the contour protection rule toward a grandfathered short-spaced station, the contour protection station cannot later use Section 73.213 toward the grandfathered station.

Interference

July 7, 2003 Petition of Cingular Wireless L.L.C. for a Declaratory Ruling that Provisions of the Anne Arundel County Zoning Ordinance are Preempted as Impermissible Regulation of Radio Frequency Interference Reserved Exclusively to the Federal Communications Commission MO&O, WT Docket 02-100, , released July 7, 2003 [ PDF | Word ] Provisions in the county's zoning ordinance infringe on the FCC's exclusive jurisdiction over radiofrequency interference (RFI) and are preempted under the doctrine of "field preemption". March 3, 2000 Leslie D. Brewer Forfeiture Order, DA 00-475, 15 FCC Rcd 9999, released March 3, 3000 [ Word ]. Unapproved transmitters. February 23, 2000 Freeman, et. al. v. Burlington Broadcasters, Inc. d/b/a/WIZN, et. al. Forfeiture Order, Case No. 97-9141, 204 F.3d 311 (2nd Cir. 2000), decided February 23, 2000 [ HTML | Word  ]. Jurisdiction over interference. June 15, 1993 Greater Boston Radio, Inc., [WMJX (FM), Boston, MA] MO&O, FCC 93-300, 8 FCC Rcd 4065, released June 15, 1993 [ PDF ]. In the absence of any listener complaints, RITOIE interference did not require WMJX to satisfy listener complaints. The blanketing interference rule, 47 CFR 73.318, does not apply to RITOIE. 1993 Interference Handbook 1993 Edition; no longer updated [ PDF ] (4.1 MB). This handbook was produced by the former Field Operations Bureau of the FCC. Addresses, phone numbers, and FCC field office locations are long out of date. Search for businesses' web sites to obtain current contact information. December 2, 1992 Forus FM Broadcasting of New York, Inc. [WVOA-FM1] MO&O, DA 92-1547, 7 FCC Rcd 7880, released December 2, 1992 [ PDF ]. FM booster station caused interference to another station; because of the secondary nature of FM boosters, interference to mobile receivers must be addressed. April 30, 1992 Letter to Amador Corporation Letter, released April 30, 1992 [ PDF ]. Increase in FM signal strength over a private open-air Part 15 testing facility does not preclude grant of an FM application. April 11, 1986 Letter to Bible Broadcasting Network, WYFI (FM), Norfolk, VA Letter, released April 11, 1986 [ PDF ]. Intermodulation interference may be resolved on a per-complaint basis; special conditions not needed re intermodulation. November 4, 1985 960 Radio, Inc., licensee of Station KSJN(FM), Klamath Falls, Oregon Memorandum Opinion and Declaratory Ruling, FCC 85-578, decided February 23, 2000 [ PDF ]. Jurisdiction over interference. Local zoning authority included a condition on a conditional use permit requiring FM station to protect TV translators from interference. July 29, 1977 Sudbrink Broadcasting of Georgia MO&O, FCC 77-419, 65 FCC 2d 691, released July 29, 1977 [ PDF ]. Station changing site must resolve interference caused by the new operation to other broadcast facilities. December 18, 1968 B&W Truck Service Letter, FCC 68-1209, 15 FCC 2d 769, dated December 18, 1968 [ PDF ]. New tower caused distortion of KCRC (AM) directional pattern; B&W Truck Service was ordered to fix the problem. February 3, 1966 Policy to Govern the Change of FM Channels to Avoid Interference to Television Reception Public Notice, , 2 FCC 2d 462, released February 3, 1966 [ PDF | Scanned ]. Second harmonic interference to TV reception (Channels 7 to 13); policy on changing FM allotments to prevent such interference. February 19, 1965 Potential Interference to Television Reception from the Operation of FM Broadcast Stations on Certain Frequencies Information Bulletin, FCC 65-130, adopted February 19, 1965 [ PDF ]. Second harmonic frequency (2 times the licensed frequency) of an FM station can interfere with reception of the TV channel on whose frequency band the second harmonic falls. April 3, 1947 Midnight Sun Broadcasting Co. MO&O, 11 FCC 1119, 3 RR 1751, released April 3, 1947 [ PDF ]. Newcomer must resolve interference caused by the new station's operation to other broadcast facilities.

Electromagnetic Interference (EMI) to FAA Installations June 17, 2002 Letter re: KFEG, Klamath Falls, OR Letter, dated June 12, 2002 [ PDF  | Word ].. Alleged EMI to local airport frequencies not found. May 4, 2000 Table of Allotments, Mt. Juliet and Belle Meade, TN MO&O, FCC 00-153, released May 4, 2000 [ Word  | Text ]. See also the earlier R&O. March 20, 1998 FCC Closes Down Unlicensed Radio Operation That Threatened Air Safety at Sacramento Airport; Fourth Airport Interference Incident in Five Months News Release, Report No. CI 98-3, released March 20, 1998 [ WP5.1 | Text ]. Unlicensed operation causes EMI. February 6, 1998 Unlicensed Radio Operation in Puerto Rico Endangering Air Safety Communications at San Juan International Airport Shut Down by FCC News Release, Report No. CI 98-1, released February 6, 1998 [ WP5.1 | Text ]. Unlicensed operation caused EMI. October 31, 1997 Table of Allotments, Mt. and Belle Meade, TN R&O, DA 97-2297, 62 FR 61692, released October 31, 1997 [ WP5.1 | Text ]. [ MO&O. ]. October 24, 1997 FCC Closes Down Unlicensed Radio Operators That Were Threatening Air Safety at Two Florida Airports News Release, Report No. CI 97-12, released October 24, 1997 [ WP5.1 | Text ]. Unlicensed operation causes EMI. May 2, 1994 Telephone Interference Survey Report, released May 2, 1994 [ Text ]. Informal survey by the former Field Operations Bureau regarding susceptibility of various telephone models /to different types of interference. April 16, 1991 The FAA and FCC Agree to Simplify Procedures for Certain EMI Cases Public Notice, Reference No. 12662, released April 16, 1991 [ HTML ]. Revised procedure applies to AM stations, cellular fixed transmitters, or fixed microwave transmitters. March 31, 1965 Amendment of Parts 2 and 73 of the Commission's Rules to Permit the Use of the Frequency 108.0 MHz by [Aeronautical] Test Facilities R&O, Docket 15578, 39 FCC 597, released March 31, 1965 [ Scanned ]. 108.0 MHz is the dividing line between the FM broadcast and aeronautical bands.

Next subject Previous subject Negotiated Interference June 15, 1998 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules NPRM, MM Docket 98-93, FCC 98-117, 13 FCC Rcd 14849, 63 FR 33892, released June 15, 1998 [ PDF (includes appendices) | WP5.1 | Text ]    Appendices: [ WP5.1 ] Related information about the proposed point-to-point contour calculation method is located at http://www.fcc.gov/mb/audio/ptp/index.html and http://www.fcc.gov/oet/fm/ptp/. The comment due dates were extended by the July 23, 1998 Order, DA 98-1468, 13 FCC Rcd 13513: [ WP5.1 | Text ]. July 18, 1990 Policies to Encourage Interference Reduction Between AM Broadcast Stations R&O, MM Docket 89-46, FCC 90-137, 5 FCC Rcd 4492, released July 18, 1990 [ Scanned ] See also the topic AM Interference Reduction Agreements.

Radio Coordination Zone, Quiet Zones, Monitoring Stations (Section 73.1030)

April 3, 1998 1998 Biennial Regulatory Review -- Streamlining of Mass Media Applications, Rules and Processes NPRM, MM Docket 98-43, FCC 98-57, 13 FCC Rcd 11349, released April 3, 1998 [ WP5.1 ] October 15, 1997 Amendment of the Commission's Rules to Establish a Radio Coordination Zone in Puerto Rico R&O, FCC 97-347, , released October 15, 1997 [ WP5.1 | Text ]. Protection for the Arecibo radio astronomy operation.

International Considerations

Current Broadcast Agreements with Canada FCC Web Page. [ HTML ]. International agreements with Canada related to broadcasting are available as PDF files. Current Broadcast Agreements with Mexico FCC Web Page. [ HTML ]. International agreements related to broadcasting with Mexico are available as PDF files. June 15, 1998 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules NPRM, MM Docket 98-93, FCC 98-117, 13 FCC Rcd 14849, 63 FR 33892, released June 15, 1998 [ PDF (includes appendices) | WP5.1 | Text ]    Appendices: [ WP5.1 ] Related information about the proposed point-to-point contour calculation method is located at http://www.fcc.gov/mb/audio/ptp/index.html and http://www.fcc.gov/oet/fm/ptp/. The comment due dates were extended by the July 23, 1998 Order, DA 98-1468, 13 FCC Rcd 13513: [ WP5.1 | Text ]. August 13, 1997 Amendment of Section 73.207(b) of the Commission's Rules Regarding Minimum Distance Separations [for FM stations] to Mexican Broadcast Stations Order, , FCC 97-272, 12 FCC Rcd 12230, 62 FR 50256, released August 13, 1997 [ WP5.1 | Text ]. Rule change was effective September 25, 1997. July 28, 1997 U.S.-Canada Agreement Modified to Permit Added Flexibility for FM Translators Public Notice, DA 97-1595, 13 FCC Rcd 4795, released July 28, 1997 [ WP5.1 | Text ]. Rule change was effective September 25, 1997. October 25, 1996 Letter re: KSDS, San Diego, CA Letter, released October 25, 1996 [ HTML ]. October 10, 1996 Letter re: New AM, Fairhope, AL Letter, released October 10, 1996 [ HTML ]. Proposed station interferes with a registered Cuban station. June 8, 1993 Memo regarding FM stations in PR and VI Memo, dated June 8, 1993 [ HTML ]. All FM applications in PR and VI to be referred to International Bureau. November 4, 1987 Review of Technical and Operational Requirements: Part 73-C Noncommercial Educational FM Broadcast Stations R&O, MM Docket 87-140, FCC 87-339, 2 FCC Rcd 6754, 52 FR 43764, released November 4, 1987 [ Scanned ]. FM educational applications in the Mexican border zone. August 5, 1987 Amendment of Part 74 ... Concerning FM Booster Stations and Television Booster Stations R&O, MM Docket 87-13, FCC 87-244, 2 FCC Rcd 4625, released August 5, 1987 [ PDF ]. Power increase for FM booster stations; FM booster service contour; IF spacing requirements for FM boosters; new TV booster service adopted.

Low Power FM (LPFM) Radio Stations (Licensed Service)

Current information is listed on the LPFM Information page. See also the Information Sheet, Low Power Broadcast Radio Stations. Documents relating to unlicened operation are listed below in the section entitled Unlicensed Operation. July 7, 2005 Letter re NEW LPFM, Cave Junction, OR Letter, FCC 05-1948, released July 7, 2005 [ PDF | Word ] Board members for LPFM that were involved with unlicensed, unlawful operations cause LPFM application's dismissal. January 5, 2005 Lakeside Communications, Inc. MO&O, , FCC 04-298, 20 FCC Rcd 763, released January 5, 2005 [ PDF  | Word ]. Co-channel waiver requestof Section 73.509 denied for a Class D station applying for Class A facilities. February 19, 2004 Report to Congress on the Low Power FM Interference Testing Program - Pub.L. No. 106-553, released February 19, 2004. [ PDF | Word ] February 19, 2004 Report to Congress on the Low Power FM Interference Testing Program - Pub.L. No. 106-553 Report, MM Docket 99-25, released February 19, 2004 [ PDF | Word ] July 11, 2003 Comment Sought on the Mitre Corporation's Technical Report, "Experimental Measurements of the Third-Adjacent Channel Impacts of Low Power FM Stations" [MM Docket 99-25] Public Notice, MM Docket 99-25, DA 03-2277, released July 11, 2003 [ PDF | Word ] Comments due September 12, 2003. September 19, 2002 Notice Regarding FCC Certification of EAS Decoder -- Low Power FM Stations Must Install Certified EAS Decoders Within One Year of Publication of this Public Notice in Federal Register -- Cable Statems Serving Fewer Than 5,000 Subscribers May Comply with October 1, 2002 Deadline to Install EAS Equipment by Installing Certified Decoder Public Notice, EB 01-66, DA 02-2312, 17 FCC Rcd 17231, 67 FR 65321, released September 19, 2002 [ PDF | Word | Text ] The deadline date for LPFM stations to install EAS decoders is October 24, 2003. April 2, 2001 Creation of Low Power [FM] Radio Service 2nd R&O, MM Docket 99-25, FCC 01-100, 16 FCC Rcd 8026, released April 2, 2001 [ PDF | Word | Text ] Third adjacent channel spacings adopted. September 28, 2000 Creation of Low Power [FM] Radio Service MO&O on Reconsideration, MM Docket 99-25, FCC 00-349, 15 FCC Rcd 19208, released September 28, 2000 [ PDF | Word | Text ] LPFM service affirmed. January 27, 2000 Creation of Low Power [FM] Radio Service R&O, 99-25, FCC 00-19, 15 FCC Rcd 2205, released January 27, 2000 [ Word | Text ] [ Appendix A (Low Power FM Service Rules) | Appendix B | Appendix C (Commissioners' separate statements) ]. LPFM service created. Errata released February 20, 2000: [ Word | Text ]. March 24, 2000 Statement of Dale Hatfield, Chief, Office of Engineering and Technology, and Roy Stewart, Chief, Mass Media Bureau Concerning Low Power FM Engineering Issues News Release, released March 24, 2000 [ HTML ]. February 3, 1999 Creation of a Low Power [FM] Radio Service NPRM, MM Docket 99-25, FCC 99-6, 14 FCC Rcd 2471, released February 3, 1999 [ WP5.1 | Text]. The proposals for a low power FM service are summarized in the January 29, 1999 News Release. Three pages of the NPRM are saved separately in Excel spreadsheet format [ 57 | 58 | 59 ] and as JPEG files [ 57 | 58 | 59 ]. Comment and reply comment date extension orders: March 19, 1999, DA 99-542, 14 FCC Rcd 4096: [ PDF | WP5.1 | Text ] May 20, 1999, FCC 99-112, 14 FCC Rcd 11096: [ WP5.1 | Text ] August 31, 1999, FCC 99-233, 15 FCC Rcd 7158: [ PDF | Word | Text ] September 17, 1999, FCC 99-254, 15 FCC Rcd 7161: [ Word | Text]; October 1, 1999: FCC 99-271, 14 FCC Rcd 20136: [ Word | Text]. March 5, 1999 Mass Media Bureau Releases Low Power FM Radio Spectrum Availability Computer Program Public Notice, MM Docket 99-25, DA 99-464, 14 FCC Rcd 3605, released March 5, 1999 [ HTML ] This Fortran program was used to prepare Pages 57, 58, and 59 in the NPRM in MM Docket 99-25. January 28, 1999 FCC Proposes Licensed Low Power FM Radio; Seeks Comment on Engineering, Service Rules for New System News Release, MM Docket 99-25, Report No. 99-1, released January 28, 1999 [ HTML ] December 21, 1998 Letter re: Petition of Joel Lawrence Efrain Letter, , DA 98-2560, 13 FCC Rcd 24539, released December 21, 1998 [ WP5.1 | Text ] Petition to reserve Channel 300 for Part 15 use is denied. October 5, 1998 Letter to Americans for Radio Diversity Letter, DA 98-2006, 13 FCC Rcd 20084, dated October 5, 1998 [ Scanned ]. ARD requested creation of a LPFM service; the request was dismissed since the matter was already under consideration. May 22, 1998 Order Extending Time [to file reply notes regarding RM-9208, RM-9242, and RM-9246] Order Extending Time, DA 98-2006, 13 FCC Rcd 11096, released May 22, 1998 [ WP5.1 | Text ]. March 18, 1998 Petition for rulemaking for temporary Event Broadcasting Stations Public Notice, RM-9246, Report No. 2264, released March 18, 1998 [ WP5.1 | Text ] Petition to establish a low power temporary station "event radio" service. February 20, 1998 Petition for Rulemaking [seeking creation of an LPFM service] Petition for Rulemaking, RM-9242, posted February 20, 1998 [ PDF ] February 5, 1998 Petition for Rulemaking Filed [seeking creation of an LPFM service] Public Notice, Report No. 2254, released March 18, 1998 [ WP5.1 | Text ] Petition (RM-9208) to establish a "microstation" low power broadcast radio service. July 24, 1991 Permitted Forms of Low Power Broadcast Operation Public Notice, Reference No, 14089, released July 24, 1991 [ PDF | Scanned document ] December 4, 1990 Amendment of Part 74 of the FM Rules Concerning Translator Stations R&O, MM Docket 88-140, FCC 90-375, 5 FCC Rcd 7212, released December 4, 1990 [ Scanned ] Request for local program origination by translators was denied. January 25, 1990 Allocation of the 50 - 54 MHz Frequency Band for a New FM Broadcast Service Order, FCC 90-27, 5 FCC Rcd 512, released January 25, 1990 [ Scanned ] Application for review was denied. May 18, 1984 Alternative Input Sources for FM Broadcast Translator Stations MO&O, Docket 19918, FCC 84-158, 98 FCC 2d 35, released May 18, 1984 [ Scanned ] July 25, 1979 Commission Reaches Agreement With Canada on Moving Class D Educational FM Stations to Commercial Band Public Notice, Docket 20735, released July 25, 1979. [ PDF ] June 20, 1977 Stations in the Local Government Radio Services for the Transmission of Certain Kinds of Information to the Travelling Public R&O, Docket 20509, FCC 77-414, 67 FCC 2d 917, released June 20, 1977 [ Scanned ] Travellers' Information Service (also referred to as Highway Advisory Radio) was created. Petition to use 530 and 1610 kHz for "Locally Produced Public Affairs, Musical, Dramatic and Cultural Programming" was denied. February 13, 1974 Waiver of Part 15 [to operate] a Low Power Communication Device in the AM Broadcast Band Order, released February 13, 1974 [ PDF ] Request for waiver of Part 15 to exceed the emissions limits in that Part was denied. March 1973 Operation in the Band 535-1600 kHz Without an Individual License Information Bulletin, Bulletin OCE 12, March, 1973, released March 1973 [ Scanned ] Information Bulletin is provided for reference only. See Low Power Broadcast Radio Stations for up-to-date information. March 24, 1971 In re Request by Inter College Radio Network, Potsdam, N.Y. for Carrier-Current Pickup by CATV Letter, FCC 71-313, 29 FCC 2d 45, released March 24, 1971 [ PDF ] A carrier current station can be carried on a cable TV system. July 22, 1964 Amendment of Part 19 [now Part 95] -- Citizen's Radio Service R&O, Docket 14843, 38 FCC 1254, released July 22, 1964 [ Scanned ] Uses of Citizens' Band (CB) radio debated. July 25, 1951 Radio Commission of the Southern Baptist Convention and the Executive Board of the Baptist General Convention of Texas MO&O, Docket 9470, 16 FCC 46, released July 25, 1951 [ Scanned ] Request for low power, tax-exempt, religious FM broadcast service denied. July 1, 1927 Annual Report of the Federal Radio Commission to the Congress of the United States for the Fiscal Year Ended June 30, 1927 Annual Report, released July 1, 1927 [ PDF  | Scanned ] Interference in the AM (standard) broadcast band caused by large demand for frequencies in 1927. .

One Step Upgrades/Downgrades/Channel Changes by FM Stations in a Construction Permit

June 3, 1998 Letter re: WVRB (FM), Willmore, KY Letter, released June 3, 1998 [ WP5.1 ] Same station class changes to I.F. frequencies are permitted via a one-step application. April 1, 1998 Thunderbolt Broadcasting Company [WCDZ(FM), Dresden, TN] FCC 98-29, 13 FCC Rcd 6959, released April 1, 1998 [ WP5.1 | Text ]. Application for review denied. June 27, 1997 Table of Allotments: Eatonton & Sandy Springs, GA and Anniston & Lineville, AL MO&O, DA 97-1334, 12 FCC Rcd 8392, released June 27, 1997 [ WP5.1 | Text ]. October 10, 1996 Letter to KFTE (FM), Breaux Bridge, LA Letter dated April 1, 1998 [ HTML ]. Must have 100% coverage of the community of license from allotment reference site; supplemental showing cannot be used. September 27, 1996 Thunderbolt Broadcasting [WCDZ, Dresden, TN] Letter, released September 27, 1996 [ HTML ]. Application for review denied April 1, 1998. August 28, 1996 Letter to KGMS(FM), Green Valley, AZ Letter, released August 28, 1996 [ HTML | WP5.1 ]. Short-spacings to Mexican stations and allotments precludes a one-step change. September 5, 1995 Letter re: WVZA (FM), Herrin, IL Letter, , , released September 5, 1995 [ PDF ]. Class A to B1 one step upgrade; waiver of Section 73.215(a) denied regarding prohibited contour overlap. August 31, 1993 Mass Media Bureau Offers Examples of the Treatment of Applications Filed Under the New 'One Step' Process Including Treatment of Conflicts Between Petitions for Rulemaking to Amend Part 73.202(b) and FM New and Major Change Applications Public Notice, Reference No. 34706, released August 31, 1993 [ PDF | Scanned ]. July 2, 1993 Crain Broadcasting, Inc. MO&O, Released July 2, 1993 [ PDF ]. Appeal of denied request for superpower facility (620 kW ERP / 135 meters HAAT for WWUS, Big Pine Key, FL) to be equivalent to maximum Class C and thereby avoid reclassification is denied.

Reclassification of FM Stations

November 9, 2004 Denver FM Class C Waivers Discontinued Letter, DA 04-3554, released November 9, 2004 [ PDF | Word ] Requests to continue waivers granted in 1986 to calculate HAAT for FM stations in Denver, CO by excluding certain radials are denied. September 29, 2004 KPBS-FM, San Diego, CA Construction Permit BMPED-20010321ABF Letter, DA 04-3108, 19 FCC Rcd 18918, released September 29, 2004 [ PDF | Word ] Objection from Mexico after original CP grant merits full 3 year period for this modification. Request for a superpower waiver in excess of maximum Class B facilities is denied; CP granted in part with maximum Class B facilities. Reclassification of Station WLWI-FM, Montgomery, Alabama and WQST-FM, Forest, Mississippi Order to Show Cause, DA 02-2310, released October 9, 2002 [ PDF | Word | Text ] Petition for rulemaking to add a new allotment triggers an Order to Show Cause why WLWI-FM and WQST-FM should not be reclassified from Class C to Class C0. November 11, 2000 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules Second R&O, MM Docket 98-93, FCC 00-368, 15 FCC Rcd 21649, released November 11, 2000 [ Word  | Text ]. Class C0; reclassification procedure for Class C stations with less-than-Class-C0 facilities. July 2, 1993 Crain Broadcasting, Inc. MO&O, Released July 2, 1993 [ PDF ]. Appeal of denied request for superpower facility (620 kW ERP / 135 meters HAAT for WWUS, Big Pine Key, FL) to be equivalent to maximum Class C and thereby avoid reclassification is denied. December 9, 1986 Reclassification of Class B and C FM Broadcast Stations Which Do Not Meet Certain Minimum Antenna Height and/or Power Requirements Order, FCC 86-522, 1 FCC Rcd 1079, released November 11, 2000 [ Scanned ].

Section 73.525 - Interference from Noncommercial Educational FM Stations to TV Channel 6 Reception

August 22, 1997 Certain Minor Changes in Broadcast Facilities Without a Construction Permit R&O, FCC 97-290, 12 FCC Rcd 12371, 62 FR 51052, released August 22, 1997 [ WP5.1 | Text ]. October 25, 1996 Letter re: KSDS, San Diego, CA Letter, released October 25, 1996 [ HTML ]. March 8, 1996 Letter to NEW (FM), Olivebridge, NY Letter, dated March 8, 1996 [ HTML ]. Residence counts are not acceptable to satisfy the population determination requirement in 47 CFR 73.525. March 9, 1993 Lehigh Valley Community Broadcasters Board of Directors [ NEW (FM), Allentown, PA] HDO, MM Docket 93-37, FCC 93-154, 8 FCC Rcd 1643, released March 9, 1993 [ HTML ] Amendment to reduce interference area + filters brings applicant into compliance with 47 CFR 73.525. July 15, 1985 Predicted Interference Area For NCE-FM to TV Channel 6 Stations Per Procedure §73.525 (Docket 20735) Public Notice, Docket 20735, Reference No. 5795, released July 15, 1985 [ Scanned ] June 27, 1985 Changes in the Rules Relating to Noncommercial, Educational FM Broadcast Stations MO&O, Docket 20735, 58 RR 2d 629, 50 FR 27954, released June 27, 1985 [ Scanned ] 47 CFR 73.525 adopted. February 2, 1966 Policy to Govern the Change of FM Channels to Avoid Interference to Television Reception Public Notice, 66-106, 2 FCC 2d 462, released February 2, 1966 [ PDF | Scanned ]. Second harmonic interference to TV reception (Channels 7 to 13); policy on changing FM allotments to prevent such interference.

Signal Coverage Over the Community of License (City Coverage)

July 7, 2005 Letter re KAJC (FM), Salem, OR Letter, , DA 05-1941, released July 7, 2005 [ PDF | Word ]. Petition for reconsideration denied: noncommercial educational FM station and application does not cover any part community of license as required by 47 CFR Section 73.511. November 11, 2000 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules Second R&O, MM Docket 98-93, FCC 00-368, 15 FCC Rcd 21649, released November 11, 2000 [ Word  | Text ]. 60 dBu (1.0 mV/m) must be placed over 50% or more of the community of license by FM noncommercial educational stations. March 22, 2000 Letter re: WBBK Broadcasting, Inc. (WFDL (FM)) MO&O, dated March 22, 2000 [ Word | Text ]. Application for review denied; coverage of a larger community does not mean the station has failed to serve its community of license. February 2, 2000 Table of Allotments, Caldwell, College Station, and Gause, Texas MO&O, MM Docket 91-59, FCC 00-50, 15 FCC Rcd 3322, released February 15, 2000 [ Word  | Text ] June 25, 1999 Table of Allotments, Madison, Indiana R&O, MM Docket 98-105, DA 99-1222, 14 FCC Rcd 9518, released December 3, 1999 [ WP5.1 | Text ]. Terrain blockage between transmitter and community of license does not bar allotment since signal strength over community is still greater than 70 dBu. July 22, 1998 Table of Allotments, Caldwell, College Station, and Gause, TX R&O, FCC 98-165, 13 FCC Rcd 13772, released July 22, 1998 [ WP5.1 | Text ]. June 15, 1998 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules NPRM, MM Docket 98-93, FCC 98-117, 13 FCC Rcd 14849, 63 FR 33892, released June 15, 1998 [ PDF (includes appendices) | WP5.1 | Text ]    Appendices: [ WP5.1 ] Related information about the proposed point-to-point contour calculation method is located at http://www.fcc.gov/mb/audio/ptp/index.html and http://www.fcc.gov/oet/fm/ptp/. The comment due dates were extended by the July 23, 1998 Order, DA 98-1468, 13 FCC Rcd 13513: [ WP5.1 | Text ]. August 22, 1997 Certain Minor Changes in Broadcast Facilities Without a Construction Permit R&O, FCC 97-290, 12 FCC Rcd 12371, 62 FR 51052, released August 22, 1997 [ WP5.1 | Text ]. Guidelines for supplemental contour prediction showings. June 27, 1997 Table of Allotments: Portsmouth, Ohio R&O, DA 97-1297, 12 FCC Rcd 8295, released June 27, 1997 [ WP5.1 | Text ]. While a proposed allotment would reduce another station's listeners and advertisers, this does not bar creation of an allotment. June 17, 1997 Radio Ingstad Minnesota, Inc. (KMFX (FM)) MO&O, DA 97-1297, 12 FCC Rcd 8502, released June 17, 1997 [ WP5.1 | Text ]. Alleged line-of-sight problem after grant of CP is too late to be considered; license is granted. February 2, 1997 Table of Allotments: Cloverdale, Montgomery, Warrior, AL MO&O, DA 97-332, 12 FCC Rcd 2090, released February 2, 1997 [ WP5.1 | Text ]. No waiver of 47 CFR 73.315(a) at the allotment stage; 100% city coverage needed for an allotment. October 10, 1996 Letter to KFTE (FM), Breaux Bridge, LA Letter, dated April 1, 1998 [ HTML ]. Must have 100% coverage of the community of license from allotment reference site; supplemental showing cannot be used. March 18, 1996 Letter re: NEW (FM), Corpus Christi, TX Letter, dated March 3, 1996 [ HTML ]. FM noncommercial educational station does not cover any of Corpus Christi with 60 dBu contour; application returned. May 17, 1994 Letter re: KDAY (FM), Independence, CA Letter, DA 94-510, 9 FCC Rcd 2753, released June 10, 1994 [ PDF ]. Supplemental showing cannot be used where the community of license lies outside the protected service contour. May 17, 1990 Rev. J. Bazzel and Elizabeth Mull d/b/a Seymour Communications HDO, 90-234, DA 90-594, 5 FCC Rcd 3070, released May 17, 1990 [ PDF ]. City less than 16 km from transmitter site, but before a large ridge. Truncated radial accepted to show 70 dBu coverage over the community of license. November 1, 1983 Amendment of Section 73.1201(b)(2) ... Additional City Identification R&O, BC Docket 82-374, FCC 83-487, 95 FCC 2d 1253, released November 1, 1983 [ Scanned ]. Petition for partial reconsideration denied, FCC 84-339, 98 FCC 2d 787, released July 27, 1984: [ Scanned ] August 2, 1983 Policy Statement on Distortion of Ratings and Coverage Maps and Statements Regarding Stations' Coverage Policy Statement and Order, FCC 83-339, 94 FCC 2d 619, released June 10, 1994 [ PDF ]. Commission will no longer maintain policies against the misuse of audience ratings data or the use of inaccurate or exaggerated coverage maps or coverage claims by broadcast licensees. March 14, 1983 The Suburban Community Policy, the Berwick Doctrine, and the De Facto Reallocation Policy R&O, BC Docket 82-320, FCC 83-81, 93 FCC 2d 436, released March 14, 1983 [ Scanned ]. A station that covers its community of license is presumed to intend to serve that community, former "10 / 15 mile" community change rule. Reconsideration denied, 56 RR 2d 835 (July 31, 1984).

Special Temporary Authority (STA)

February 8, 2002 Applications of Leslie D. Brewer for Special Temporary Authority to Operate an Unlicensed FM Broadcast Station [at Temple Terrace, FL] MO&O, FCC 02-29, released February 8, 2002 [  PDF | Word | Text ]. Application for review denied to operate an unlicensed low power FM station. [ Related order ]. April 22, 1998 Chameleon Radio Corporation [KFCC (AM), Bay City, TX] Decision, MM Docket 96-173, FCC 98-73, 13 FCC Rcd 13549, released April 22, 1998 [ WP5.1 | Text ]. STA cancelled after applicant failed to supply information requested by the Audio Services Division. Misrepresentation found; tower construction without authorization; license revoked. April 7, 1998 Unlicensed FM "Radio Impacto", Orlando, FL Letter, released April 7, 1998 [ HTML | WP5.1 ]. STA request for a low power FM station is dismissed. April 7, 1998 Unlicensed FM "Radio Amor, Poder y Gracia", Tampa, FL Letter, released April 7, 1998 [ HTML | WP5.1 ]. STA request for a low power FM station is denied. August 22, 1997 Certain Minor Changes in Broadcast Facilities Without a Construction Permit R&O, FCC 97-290, 12 FCC Rcd 12371, 62 FR 51052, released August 22, 1997 [ WP5.1 | Text ]. October 8, 1996 Letter to WQUB (FM), Quincy, IL Letter, released October 8, 1996 [ HTML ]. STA granted for trial of non-type-notified transmitter. February 16, 1996 Letter re: WPMZ(AM), East Providence, RI Letter, released February 16, 1996 [ HTML ]. STA to cover unauthorized nighttime operation denied; WPMZ ordered to cease nighttime operations. March 27, 1984 Commission Policy Regarding Premature or Nonconforming Construction Public Notice, released March 27, 1984 [ PDF ]. September 10, 1980 In re Request by Patton Communications Corporation for Declaratory Ruling Declaratory Ruling, FCC 80-533, 81 FCC 2d 336, released September 10, 1980 [ PDF | Scanned ]. Pouring concrete footings for a tower prior to grant of a construction permit is NOT preconstruction, and is acceptable.

Subcarriers / SCA (Subsidiary Communications Authority)

Subcarriers or SCAs. Fact Sheet, April 1996 (updated as required). October 16, 2002 Digital Audio Broadcasting Systems And Their Impact on the Terrestrial Radio Broadcast Service First R&O, MM Docket 99-325, FCC 02-286 released October 15, 2002. [ PDF | Word | Text ] FM IBOC Specifications (Appendix B): [ PDF | Word | Text ] AM IBOC Specifications (Appendix C): [ PDF | Word | Text ] Effects of IBOC on subcarrier transmissions. December 3, 1993 Letter to Dr. Hossein Haghighi Letter, released December 3, 1993 [ HTML ]. Tunable SCA receivers are generally prohibited. October 28, 1988 Allowable Costs for Noncommercial Educational FM Licensees to Charge Radio Reading Services Policy Statement, MM Docket 87-9, FCC 88-323, 6 FCC Rcd 6323, 53 FR 47213, released October 28, 1988 [ HTML | PDF ]. February 27, 1987 MO&O and NOI August 24, 1987 Amendment ... to Establish An Allocation in the 220 - 225 MHz Band for the Radio Reading Services MO&O, RM-5434, FCC 87-257, 2 FCC Rcd 5154, released August 24, 1997 [ PDF ]. Petition to alloacate channels reserved for radio reading services not granted; radio reading services must still rely on FM or TV subcarriers. Earlier February 20, 1987 Order, FCC 97-41, 2 FCC Rcd 1146: [  PDF ] February 3, 1987 Require Licensees of Noncommercial Educational FM Stations to Accommodate Requests by Radio Reading Services to Utilize Their Subcarriar Capacity on an Incremental Cost Justified Basis MO&O and NOI, MM Docket 87-9, FCC 87-30, 2 FCC Rcd 680, released February 3, 1987 [ PDF ]. October 28, 1988 Policy Statement August 14, 1984 Amendment of Parts 2 and 73 of the Commission's Rules Concerning the Use of the AM Carrier R&O, MM Docket 83-1322, FCC 84-301, 100 FCC 2d 5, released August 14, 1984 [ Scanned ]. AM licensees can use the AM signal to transmit information provided that it does not create interference. May 2, 1984 Petition for Reconsideration of Parts 2 and 73 of the Commission's Rules Concerning Use of Subsidiary Communications Authorization MO&O, BC Docket 82-536, FCC 84-187, 98 FCC 2d 792, released May 2, 1984 [ Scanned ]. Petitions for reconsideration pertaining to preemption of state statutes regulating entry of radio common carrier paging services on FM subcarriers granted to an extent. Petition to allow variable-tuned FM subcarrier receivers denied. February 17, 1984 Letter to James Weitzman Letter, FCC 84-48, , released February 17, 1984 [ HTML ]. Tunable subcarrier receiver OK because it was designed to pick up only the special SCA signal and ignore other SCA subcarriers. June 3, 1983 In the Matter of Amendment of § 73.593 of the Commission's Rules R&O, BC Docket 82-1, FCC 83-155, 54 RR 2d 25, released June 3, 1983 [ Scanned ]. May 19, 1983 Amendment of Parts 2 and 73 of the Commission's Rules Concerning Use of Subsidiary Communications Authorizations First Report and Order, BC Docket 82-536, FCC 83-154, , released May 19, 1983 [ Scanned ]. January 1983 1983 Subcarrier Rules January, 1983 [ Scanned ]. With deregulation of subcarrier use in 1983, many subcarrier rules were removed from the CFR. This is a copy of the subcarrier rules as they existed at the beginning of 1983. January 8, 1982 Amendment of Section 73.293 and Section 2.106 of the Commission's Rules Concerning the Use of the Subsidiary Communications Authorization for Utility Load Management R&O, BC Docket 81-352, FCC 81-584, released January 8, 1982 [ Scanned ]. May 17, 1979 Street Broadcasting Corporation [WIZR-FM, Johnstown, NY] MO&O, FCC 79-296, 72 FCC 2d 793, released May 17, 1979 [ PDF ]. Station's request to transmit horse racing information to off-track betting parlors via SCA (subcarrier) was granted. June 25, 1973 Amendment of Part 73 ... to Restrict Transmission of the Stereophonic Pilot Subcarrier During Periods of Monophonic Program Transmission R&O, Docket 19571, FCC 73-680, 41 FCC 2d 534, 38 FR 17021, released June 25, 1973 [ Scanned ]. Proposed rule not adopted. This document is referenced in 47 CFR 73.4246. August 9, 1972 Discrete Four-Channel Multiplex ["Quad"] Stereo Transmission Requires Specific Authority, FCC Rules Public Notice, Report No. 10851, 72 FCC 2d 792, released August 9, 1972 [ PDF ]. May 9, 1960 Inquiry into Amendment of Parts 2, 3 and 4 of the Commission's Rules and Regulations and the Standards of Good Engineering Practice Concerning FM Broadcast Stations to Engage in Specified Non-Broadcast Activities on a Multiplex Basis R&O, Docket 12517, FCC 60-497, , 38 FR 17021, released May 9, 1960 [ Scanned ].

Supplemental Showings for Predicting FM Contour Locations

August 8, 2002 Letter re: KMAJ-FM, Topeka, KS, Application BPH-20000316ACF Letter, dated August 8, 2002 [ PDF | Word | Text ]. Reference to guidelines for "terrain departs widely" where delta-h is the justification for use of a supplemental showing. November 11, 2000 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules Second R&O, MM Docket 98-93, FCC 00-368, 15 FCC Rcd 21649, released November 11, 2000 [ Word  | Text ]. Proposed point-to-point prediction method on hold. February 2, 2000 Table of Allotments, Caldwell, College Station, and Gause, Texas MO&O, MM Docket 91-59, FCC 00-50, 15 FCC Rcd 3322, released February 15, 2000 [ Word  | Text ] July 22, 1998 Table of Allotments, Caldwell, College Station, and Gause, TX R&O, FCC 98-165, 13 FCC Rcd 13772, released July 22, 1998 [ WP5.1 | Text ]. June 15, 1998 1998 Biennial Regulatory Review -- Streamlining of Radio Technical Rules in Parts 73 and 74 of the Commission's Rules NPRM, MM Docket 98-93, FCC 98-117, 13 FCC Rcd 14849, 63 FR 33892, released June 15, 1998 [ PDF (includes appendices) | WP5.1 | Text ]    Appendices: [ WP5.1 ] Related information about the proposed point-to-point contour calculation method is located at http://www.fcc.gov/mb/audio/ptp/index.html and http://www.fcc.gov/oet/fm/ptp/. The comment due dates were extended by the July 23, 1998 Order, DA 98-1468, 13 FCC Rcd 13513: [ WP5.1 | Text ]. May 8, 1998 Assignment of License [WZNY (FM), Augusta, GA] Letter, DA 98-877, 13 FCC Rcd 9467, released May 8, 1998 [ WP5.1 | Text ]. Supplemental showings are not acceptable to demonstrate compliance with the multiple ownership showings required by 47 CFR 73.3555. August 22, 1997 Certain Minor Changes in Broadcast Facilities Without a Construction Permit R&O, FCC 97-290, 12 FCC Rcd 12371, 62 FR 51052, released August 22, 1997 [ WP5.1 | Text ]. Policy and procedures for supplemental showings for main studio location and FM community of license coverage. June 17, 1997 Radio Ingstad Minnesota [KMFX (FM)] MO&O, FCC 97-199, 12 FCC Rcd 8502, released June 17, 1997 [ WP5.1 | Text ]. Denial of late filed allegation of lack of community coverage upheld. October 30, 1996 KBUE (FM), Long Beach, CA Letter, MM Docket 96-226 dated October 30, 1996 [ HTML | WP5.1 ]. Request for waiver of 47 CFR 73.213(c) denied. Terrain shielding not considered when predicting interference. October 10, 1996 Letter to KFTE (FM), Breaux Bridge, LA Letter dated April 1, 1998 [ HTML ]. Must have 100% coverage of the community of license from allotment reference site; supplemental showing cannot be used. February 26, 1996 WBRX (FM), Patton, PA Letter, dated [ HTML | WP5.1 ]. Main studio waiver request denied: studio is outside the principal community contour of the main station but inside the "principal community contour" of a booster station. May 17, 1994 Letter re: KDAY (FM), Independence, CA Letter, DA 94-510, 9 FCC Rcd 2753, released June 10, 1994 [ PDF ]. Supplemental showing cannot be used where the community of license lies outside the protected service contour. May 17, 1990 Rev. J. Bazzel and Elizabeth Mull d/b/a Seymour Communications HDO, 90-234, DA 90-594, 5 FCC Rcd 3070, released May 17, 1990 [ PDF ]. City less than 16 km from transmitter site, but before a large ridge. Truncated radial accepted to show 70 dBu coverage over the community of license.

Synchronous Transmitter (AM)

January 8, 1997 KARS (AM), Belen, NM Letter, released January 8, 1997 [ HTML | WP5.1 ]. Not enough information in request for STA for synchronous operation of an AM station. December 31, 1996 KEZM (AM), Sulphur, LA Letter, released December 31, 1996 [ HTML | WP5.1 ]. Not enough information in request for STA for synchronous operation of an AM station; operation would cause nighttime interference. August 30, 1996 NEW (FM Translator), Nashville, TN Letter, released August 30, 1996 [ HTML | WP5.1 ]. "Synchronization of FM signals" does not warrant grant of FM translator proposal. April 19, 1949 Synchronous or Common Frequency Broadcasting [North American Broadcasting Regional Engineering Committee] Report, dated April 19, 1949 [ Scanned ].

Technical Quality of Broadcasts

March 24, 2003 Interference Immunity Performance Specifications for Radio Receivers / Review of the Commission's Rules and Policies Affecting the Conversion to Digital Television NOI, ET Docket 03 - 65 / MM Docket 00-39, FCC 03-54, released March 24, 2003 [ PDF | Word ] Commissioners' statements (PDF): [ Powell  |  Abernathy  |  Copps  |  Martin  |  Adelstein ] December 7, 1984 A Re-Examination of Technical Regulations R&O, Gen. Docket 83-114, FCC 84-521, 99 FCC 2d 903, 49 FR 48035, released December 7, 1984 [ Scanned ]. Quality of broadcast regulations that were not related to interference control were deleted. December 7, 1984 A Re-Examination of Technical Regulations R&O, Gen. Docket 83-114, FCC 84-521, 99 FCC 2d 903, 49 FR 48035, released December 7, 1984 [ Scanned ]. Quality of broadcast regulations that were not related to interference control were deleted. July 10, 1974 Commission Authorizes Use of Dolby Encoder by FM Broadcast Stations Public Notice, 72 FCC 2d 790, released July 10, 1974 [ PDF ].

Tower Painting and Lighting Tower Related Issues

June 4, 2004 Professional Communications, Inc., Owner of Antennna Structure ... near Peculiar, Misssouri Forfeiture Order, DA 04-1600, 19 FCC Rcd 9896, released June 4, 2004 [ PDF | Word ]. Forfeiture specified angainst licensee for partially failed tower lighting; hired tower monitoring company did not record outage nor notify the FAA. June 4, 2004 Professional Communications, Inc., Owner of Antennna Structure ... near Peculiar, Misssouri Forfeiture Order, DA 04-1600, 19 FCC Rcd 9896, released June 4, 2004 [ PDF | Word ]. Forfeiture specified angainst licensee for partially failed tower lighting; hired tower monitoring company did not record outage nor notify the FAA. March 25, 2004 KM Radio of St. Johns, L.L.C. [KWKM (FM), St. Johns, AZ] MO&O & NAL, FCC 04-69, 19 FCC Rcd 5847, released March 25, 2004 [ PDF | Word ]. Tower was constructed at wrong site by the contractor. Forfeiture imposed; permittee or licensee is responsible for the actions of employees and contractors. February 10, 2003 Marshall County Radio Corp., Licensee of WAXO (AM), Lewisburg, TN Forfeiture Order, DA 03-1033, released February 10, 2003 [ PDF | Word ]. $9,000 forfeiture for failing to enclose its AM tower within a locked fence or other enclosure. January 16, 2001 American Tower Corporation, Boston, MA Notice of Apparent Liability for Forfeiture, FCC 01-9, 16 FCC Rcd 1282, released January 16, 2000 [ PDF | Word | Text ]. $212,000 forfeiture proposed for violations on 36 towers. September 8, 2000 Kona Koast Leasing LLC, Thomas M. Jones, Owner of Antenna Structure Registration #1063428, Kealakekua, Hawaii Forfeiture Order, DA 00-2055, 15 FCC Rcd 17304, released September 8, 2000 [ PDF | Word | Text ]. Forfeiture for failing to maintain tower painting. March 23, 2000 Kel-Com Broadcasting, Inc. [WPQR-FM, Connellsville, PA] Forfeiture Order, DA 00-636, 15 FCC Rcd 5857, released March 23, 2000 [ PDF | Word | Text ]. Failure to maintain tower lighting, to register tower, and to install and maintain EAS equipment. March 16, 2000 Commission Announces FAA Flight Service Station Reporting Change Public Notice, DA 00-580, 15 FCC Rcd 18618, released March 16, 2000 [ PDF | Word | Text ]. How to notify the FAA of a tower light outage. March 3, 2000 Natchez Communications, Inc. [WTYJ (FM), Natchez, MS] Forfeiture Order, DA 00-476, 15 FCC Rcd 4628, released March 23, 2000 [ PDF | Word | Text ]. Failure to maintain tower painting and lighting and failure to post tower registration. February 9, 1999 FM Broadcast Station KNEC [FM], Arnold Broadcasting Company, Inc. Forfeiture Order, DA 00-225, 15 FCC Rcd 2704, released February 9, 2000 [ PDF | Word | Text ]. Related orders. January 5, 1999 FCC Issues Second Warning to Owners of Radio Antenna Structures after Ambulance Helicopter Nearly Hits Unlit Radio Tower in Florida News Release, Report No. CI 99-1, released January 5, 1999 [ WP5.1 | Text ]. November 30, 1998 FCC Issues Second Warning to Owners of Radio Antenna Structures after Ambulance Helicopter Nearly Hits Unlit Radio Tower in Florida News Release, Report No. CI 98-27, released November 30, 1998 [ WP5.1 | Text ]. November 25, 1998 Commission Announces Antenna Structure Lighting Responsibilities With Respect To Year 2000 Computer Issue Public Notice, DA 98-2408, 14 FCC Rcd 454, released November 25, 1998 [ HTML ]. June 12, 1997 Nineteen Forfeitures Assessed Against Licensees Renting Antenna Space on Two Towers in Alice, Texas MO&O, DA 97-1220, 12 FCC Rcd 7736, released June 12, 1997 [ Text ]. September 10, 1980 In re Request by Patton Communications Corporation for Declaratory Ruling Declaratory Ruling, FCC 80-533, 81 FCC 2d 336, released September 10, 1980 [ PDF | Scanned ]. Pouring concrete footings for a tower prior to grant of a construction permit is NOT preconstruction, and is acceptable. December 18, 1968 B&W Truck Service Letter, FCC 68-1209, 15 FCC 2d 769, dated December 18, 1968 [ PDF ]. New tower caused distortion of KCRC (AM) directional pattern; B&W Truck Service was ordered to fix the problem. May 26, 1965 Policy Statement Concerning the Height of Radio and Television Antenna Towers [in excess of 2000 feet] Public Notice, FCC 65-455, 45 FCC 2d 2451, released May 26, 1965 [ PDF ].