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[IGSREPORT-6251] Wk 1016 NOAA NGS Analysis Report



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IGS Electronic Report    Fri Jul  9  8:54:31 PDT 1999      Message Number 6251
******************************************************************************

Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 1016 NOAA NGS Analysis Report

                                                                                
******************************************************************************* 
NGS ANALYSIS REPORT GPS WEEK 1016 (Dates: 99 Jun 27 - 99 Jul 03)                
******************************************************************************* 
National Oceanic and Atmospheric Administration (NOAA)                          
National Geodetic Survey (NGS), SSMC-3, N/NGS2                                  
1315 East-West Highway                                                          
Silver Spring, MD, USA  20910                                                   
                                                                                
contacts: William Kass    301-713-3209 ext.164   billk @ ngs.noaa.gov             
          Robert Dulaney  301-713-3209 ext.168   bobd @ ngs.noaa.gov              
fax:                      301-713-4322                                          
                                                                                
                                                                                
PRODUCTS SENT TO CDDIS:                                                         
------------------------------------------------------------------------------  
 NGS10167.SUM         this text file                                            
 NGS10167.ERP         Earth rotation parameters for GPS Week 1016               
 NGS10167.SNX         weekly GPS coordinate solutions for GPS Wk 1016           
 NGS1016n.SP3         GPS ephemerides for GPS Week 1016, SP3 format (n=0..6)    
------------------------------------------------------------------------------  
                                                                                
SOLUTION CHARACTERISTICS:                                                       
------------------------------------------------------------------------------  
 Software             page5 developed at NOAA                                   
 Terr. Ref. Frame     nominally, ITRF96 at current epoch                        
 Observables          double-differenced carrier phase at 30-sec. intervals     
 Arc Length           24 hours                                                  
 Elevation Cutoff     15 degrees                                                
 Reference            file://igscb.jpl.nasa.gov/igscb/center/analysis/noaa.acn  
------------------------------------------------------------------------------  
                                                                                
STATISTICAL SUMMARY OF DAILY SOLUTIONS:                                         
------------------------------------------------------------------------        
          NUMBER      POST-FIT                                                  
 DOY   OBSERVATIONS   RMS (MM)   NO. SAT.   NO. SITES   NO. CONST. SITES        
------------------------------------------------------------------------        
 178     645762         12.2       27          65               36              
 179     632540         12.2       26          66               38              
 180     636864         11.9       27          65               37              
 181     619098         11.1       27          63               35              
 182     630072         11.9       26          65               36              
 183     630456         11.6       27          66               36              
 184     667129         11.8       27          65               37              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        178      179      180      181      182      183      184           
----------------------------------------------------------------------          
  01      24316    21243    23512    23607    25215    25061    21692           
  02      16068    15625    17333    15930    17755    15876    16934           
  03      30702E   29543E   29058E   28536E   30962E   28039E   31855E          
  04      22397    24420    22409    21909    21282    23841    23160           
  05      23029    23613    23403    23109    21442    21587    24078           
  06      31145E   30299E   30260E   27141E   30458E   28634E   29961E          
  07      31032E   31259E   31998E   29888E   32042E   29800E   31796E          
  08      25125    24239    22705    22710    20525    23297    23577           
  09      43092    43688    37848    43354     -999    46200    50306           
  10      60142E   61476E   60222E   55580E   62922E   48466E   49456           
  13      22420    22294    20248    17818    19766    23210    24496           
  14      62364E   62916E   60902E   58158E   62144E   60382E   64616E          
  15      33626     -999    34214    31310    29892    31232    38338           
  16      63858E   62440E   62440E   59160E   59086E   59834E   63566E          
  17      34436    36068    35786    34936    36606    34662    42528           
  18      37434    34222    35944    33476    40320    33780    36374           
  19      42494    48476    47490    46282    42864    45702    45760           
  21      60986E   60284E   54578E   57710E   60870E   57622E   41244E          
  22      37952    41230    36734    37790    39072    37466    41350           
  23      60286E   62956E   58622E   57352E   62262E   58074E   66632E          
  24      45154    46716    46120    42340    46752    48228    51172           
  25      52176    53938    50784    52286    54514    51948    54250           
  26      43856    44926    39910    42160    39424    43518    43514           
  27      42934    41016    44044    41040    45350    42402    45920           
  29      35450    33494    39470    38836    42344    36112    50174           
  30      46626    48038    49066    46854    55482    52148    54048           
  31      58610E   60420E   57950E   56094E   61112E   57656E   64408E          
----------------------------------------------------------------------          
NOTE: E = satellite eclipsing during day                                        
                                                                                
GLOBAL LIST OF SITES USED DURING WEEK:                                          
-----------------------------------------------------------------------------   
global: ALGO AREQ ASC1 AUCK BAHR BAKO BOGT BRMU CHAT COCO CRO1 DAV1 DGAR DRAO   
global: EISL FORT GALA GODE GOLD GOUG GRAZ GUAM HART HOB2 IISC IRKT KELY KERG   
global: KIT3 KOKB KOSG KOUR KWJ1 LHAS LPGS MAC1 MADR MAG0 MALI MATE MAW1 MCM4   
global: MDO1 METS MKEA NLIB NOUM NTUS NYAL ONSA PERT PETP PIE1 POTS REYK RIOG   
global: SANT SEY1 SHAO STJO SUTH THU1 TIDB TIXI TROM TSKB VILL WES2 WHIT WTZR   
global: WUHN YAR1 YELL ZWEN                                                     
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    178      179      180      181      182      183      184    
----------------------------------------------------------------------------    
 ALGO*  2222222  13962    12837    13231    13670    13156    13036    14182    
 AREQ*  2222 22   8092     7198     8233     7989              7112     7657    
 ASC1   2222222   4628     3618     5614     4268     4140     3746     4237    
 AUCK   2221222  11104    10710    11031    10949     9845    10892    10577    
 BAHR   3333332   9283    10979    11529     8760     8813     8455     9217    
 BAKO   3333333  10267     8158     5099     9832    10058    10669     9938    
 BOGT   3333333   6808     6600     8275     6612     6074     6234     8107    
 BRMU*  2223322  10368    10165     9340     9035     9741    10128    10457    
 CHAT   2222222   9760     9728     9735     9709     9341     9843     9379    
 COCO   222 2 2  10122     9515     9571              9107              8331    
 CRO1     22 2                      7350     6723              8121             
 DAV1*  56434 6   8529     6180     8396     9603     8859              8096    
 DGAR   2222 2    4238     3061     2546     3262              2996             
 DRAO*  2222222  13222    12600    13160    13053    12539    13063    13231    
 EISL   2222222   6942     6142     7454     7081     6872     6854     6883    
 FORT*  2222222   4776     4366     5361     5094     5146     4232     5022    
 GALA   2222222   6761     5956     6412     6885     4289     4845     6118    
 GODE   2222222  13251    12368    12135    12805    12121    12430    12279    
 GOLD*  2222222  11351    11050    11439    10276    10143    10871    11687    
 GOUG   1   111   4042                                8977     9259     9463    
 GRAZ*  2223332  13154    13229    13502    12337    12718    12355    14156    
 GUAM*  2222222   8178     6665     5652     6705     6733     6298     6012    
 HART*      122                                       9417     9087     9912    
 HOB2   222 222  10588     8798    10659              9876     9903    11074    
 IISC      2222                              7116     6058     6031     6613    
 IRKT*  222   2  11402    11711    11308                               11943    
 KELY   4333443  10897    11435    12320    12694    10184    11226    12826    
 KERG*      222                                       9425     7259     9004    
 KIT3*  2222  2   8396     8905     9440     9366                      10181    
 KOKB*  2222222   8719     9111     9364     9023              7603             
 KOSG*   22  32           12879    12414                      13594    12907    
 KOUR*  2222222   5179     4772     3952     5294     5080     4536             
 KWJ1*  3233323   6359     4641     4549     4848     5359     5488     4671    
 LHAS*  2222222   7216     4900     4224     7335     6009     6186     6931    
 LPGS   2222222  10887    10171     9127    11208     8203    10386     8029    
 MAC1*   33 24             6147    10215              9300                      
 MADR*  2223232  13319     8110     7614    12755    12572    13481    10650    
 MAG0   22222 2  11657    11040    11406    11623    10652             11732    
 MALI*  3  3433   6281                       5115     6955     3043     7702    
 MATE*  3323332  13150    13250    13353    12250    12497    12102    13873    
 MAW1   4532354  11098     9043    12140    12123    11036     9867    10382    
 MCM4   4443475   7257     5918     7665     6986     7060     6218     6244    
 MDO1*  2222222  12737    12002    12357    11757     9322    12719    11737    
 METS   22 2222   5734     6470             12371    11602    12128    12125    
 MKEA   3333333   8262     8492     8863     8111     6408     7502     8574    
 NLIB*  2222222  11811    11457    11545    11605    11428    12041    10789    
 NOUM   2  2222  11778                       7837    11140     8107    11277    
 NTUS   2         4164                                                          
 NYAL*  3332443  10589    11259    12051    12432    11273    11618    12598    
 ONSA*  2222222  10060    10712    13118    12714    12119    13426    13252    
 PERT*  2232222   9625    10434     5505    10692    10589    10576     6961    
 PETP    22222            10334     8691    11229     9991     7469             
 PIE1*  2222222  13275    12374    12750    11639    11751    12814    12955    
 POTS*  222222   13431    12844    12786    12953    12575    12703             
 REYK   2222 32  10594     9498    10555     5046             10227    11067    
 RIOG   111111   10590     9952    11260    10817    10050     9720             
 SANT*  2222222   9524     8646    10059     9684     9171     8835     8683    
 SEY1    22 242            2736     2617              5952     4381     7538    
 SHAO*   23 222            9976     8435              9125     7807    11181    
 STJO   2222222  12264    11680    12047    12056    11663    11586    12118    
 SUTH   2111122   7286     4637     6063     6174    12394    12885    12930    
 THU1*  3333443  11254    11066    11996    11183    10793    11445    12341    
 TIDB*  2222222  11462    11088    11000     9788    10736    11410    10918    
 TIXI   3322332  12563    11907    12293    11639    10415    12958    12706    
 TROM*  2222332  10893    11259    11985    12181    11519    11680    12270    
 TSKB*  22222 3  10644    10255     9324    10156     9379              9951    
 VILL*  3223333  12830     9978             12148    12180    13294     9141    
 WES2*  2222222  13091    12724    11812    13102    12704    12431    13180    
 WHIT   2222232  13103    12089    13310    13254    12503    12987    13355    
 WTZR*  2223232  12002    13279    13889    12622    12449    13402    14140    
 WUHN   2232323  11027    11130     9883     8719     7624     8019    10171    
 YAR1*  2222222  13550    12916     7834    12287    13400    12253     8385    
 YELL*  3332333  12101    11402    12833    13220    11893    11959    12906    
 ZWEN*  2222222   9791    10529    10982    11232    11301    11440    11312    
----------------------------------------------------------------------------    
NOTES: * Indicates sites with constrained coordinates.                          
       $ Ion codes given for each day with data. Values are an index of         
         (nominally) mean ionospheric variability with lower values denoting    
         less variation. > signifies values exceeding 9.499. Some types of      
         instrumental problems cause increases in this index unrelated to       
         ionospheric effects.                                                   
                                                                                
STATION GEODETIC STATISTICS FOR WEEK:                                           
--------------------------------------------------------------------------------
        AVERAGE          AVERAGE GEOCENTRIC COORDINATES        RMS RESIDUAL (MM)
 SITE    EPOCH         X (M)          Y (M)          Z (M)        N     E     U 
--------------------------------------------------------------------------------
 ALGO*  51359.5     918129.4706  -4346071.2371   4561977.8221     1     1     1 
 AREQ*  51359.3    1942826.7592  -5804070.2443  -1796893.9458     1     2     1 
 ASC1   51359.5    6118526.0661  -1572344.7287   -876451.1511    14    18    28 
 AUCK   51359.5   -5105681.0645    461564.0389  -3782181.6699     2     5     9 
 BAHR   51359.5    3633908.9982   4425275.5035   2799861.3229     5     4     6 
 BAKO   51359.5   -1836969.4840   6065618.6846   -716257.9779     5     8    10 
 BOGT   51359.5    1744399.0843  -6116037.7218    512731.6375     5    10    27 
 BRMU*  51359.5    2304703.5637  -4874817.1800   3395186.9087     2     2     1 
 CHAT   51359.5   -4590670.9784   -275482.9001  -4404596.7178     4     9    15 
 COCO   51359.1    -741950.1176   6190961.6484  -1337768.4810     3    11     9 
 CRO1   51359.8    2607771.1878  -5488076.7799   1932767.7122     3    21    16 
 DAV1*  51359.2     486854.5527   2285099.2837  -5914955.7070     2     3     7 
 DGAR   51358.7    1916269.6495   6029977.3509   -801720.1141    10    47    29 
 DRAO*  51359.5   -2059164.7140  -3621108.3926   4814432.3597     2     2     1 
 EISL   51359.5   -1884951.5930  -5357595.9223  -2892890.5386     4    27    24 
 FORT*  51359.5    4985386.6371  -3954998.5854   -428426.4669     3     2     1 
 GALA   51359.5     -33796.0006  -6377522.6243    -82120.8788     4    17    10 
 GODE   51359.5    1130773.8425  -4831253.5751   3994200.4076     3     3     2 
 GOLD*  51359.5   -2353614.2133  -4641385.3766   3676976.4381     3     2     4 
 GOUG   51360.2    4795578.5559   -835299.4732  -4107634.0191     2    17    19 
 GRAZ*  51359.5    4194423.9314   1162702.6052   4647245.3439     2     1     0 
 GUAM*  51359.5   -5071312.7808   3568363.5147   1488904.3208     3     4     2 
 HART*  51361.5    5084625.3013   2670366.2746  -2768494.5197     1     3     1 
 HOB2   51359.5   -3950071.4634   2522415.1996  -4311638.2609     2     5     2 
 IISC   51361.0    1337936.7172   6070317.1043   1427876.5782     2    14     8 
 IRKT*  51358.7    -968332.2430   3794425.4189   5018167.7406     1     2     3 
 KELY   51359.5    1575559.2435  -1941827.9285   5848076.5002     2     3     6 
 KERG*  51361.5    1406337.3251   3918161.1007  -4816167.3910     2     0     3 
 KIT3*  51358.9    1944945.3008   4556652.2296   4004325.9766     4     3     3 
 KOKB*  51358.7   -5543838.1269  -2054587.0986   2387809.7763     1     0     1 
 KOSG*  51360.0    3899225.2239    396731.8600   5015078.3706     1     2     1 
 KOUR*  51359.0    3839591.4219  -5059567.5404    579956.9500     3     6     4 
 KWJ1*  51359.5   -6160880.9520   1339883.1361    960810.5324     4     4     1 
 LHAS*  51359.5    -106937.7751   5549269.5836   3139215.7822     3     3     2 
 LPGS   51359.5    2780102.9868  -4437418.8777  -3629404.5805     5     4     9 
 MAC1*  51358.8   -3464038.5590   1334172.7951  -5169224.2820     1     3     2 
 MADR*  51359.5    4849202.4631   -360329.0518   4114913.1253     3     2     1 
 MAG0   51359.2   -2825810.1998   1581232.9308   5477005.5206     2     4     6 
 MALI*  51360.1    4865366.4626   4110737.5009   -331121.6882     4     4     4 
 MATE*  51359.5    4641949.6734   1393045.3291   4133287.3647     1     0     1 
 MAW1   51359.5    1111287.1733   2168911.2616  -5874493.6114     3     8    11 
 MCM4   51359.5   -1311703.2329    310815.0706  -6213255.1486     8     7    19 
 MDO1*  51359.5   -1329998.7006  -5328393.3917   3236504.1820     2     0     1 
 METS   51359.7    2892570.8954   1311843.3756   5512634.0717     2     3     3 
 MKEA   51359.5   -5464105.1170  -2495166.7291   2148291.0072     6     5    11 
 NLIB*  51359.5    -130934.5083  -4762291.7260   4226854.6500     2     1     2 
 NOUM   51360.1   -5739971.5911   1387563.6220  -2402123.4403     2     7    16 
 NTUS   51356.5   -1508022.7647   6195576.6660    148799.4644     0     0     0 
 NYAL*  51359.5    1202430.6116    252626.6735   6237767.5233     2     2     1 
 ONSA*  51359.5    3370658.6361    711877.0654   5349786.8858     2     1     0 
 PERT*  51359.5   -2368687.0974   4881316.5329  -3341796.0464     2     3     5 
 PETP   51359.5   -3576239.7570   1401003.4658   5075177.4755     3     5     5 
 PIE1*  51359.5   -1640916.8185  -5014781.2085   3575447.1196     2     1     1 
 POTS*  51359.0    3800689.7489    882077.3100   5028791.2678     1     1     1 
 REYK   51359.3    2587384.4529  -1043033.5001   5716563.9877     2     4     3 
 RIOG   51359.0    1429907.7665  -3495354.7667  -5122698.6964     6     9    24 
 SANT*  51359.5    1769693.3972  -5044574.1672  -3468321.0421     3     2     3 
 SEY1   51360.1    3602870.6853   5238174.3957   -516275.5003     5    49    39 
 SHAO*  51360.1   -2831733.3363   4675666.0202   3275369.4844     3     5     5 
 STJO   51359.5    2612631.1999  -3426807.0185   4686757.8191     2     7     5 
 SUTH   51359.5    5041274.8020   1916054.0323  -3397076.0415    11     9    13 
 THU1*  51359.5     538981.3777  -1388714.7941   6181005.1309     1     2     2 
 TIDB*  51359.5   -4460996.2269   2682557.0715  -3674443.5829     2     3     3 
 TIXI   51359.5   -1264873.0698   1569455.7983   6031003.4477     3     3     5 
 TROM*  51359.5    2102940.3032    721569.4048   5958192.1163     2     2     1 
 TSKB*  51359.2   -3957199.2241   3310199.6848   3737711.6757     3     2     2 
 VILL*  51359.7    4849833.7777   -335049.1324   4116014.8672     2     2     2 
 WES2*  51359.5    1492233.3521  -4458089.4782   4296046.0031     3     1     1 
 WHIT   51359.5   -2218337.8431  -2201205.1063   5543057.5531     3     4     4 
 WTZR*  51359.5    4075580.6562    931853.7111   4801568.0648     1     1     1 
 WUHN   51359.5   -2267749.2225   5009154.2796   3221290.7065     5     4     9 
 YAR1*  51359.5   -2389025.6619   5043316.8853  -3078530.6176     1     2     1 
 YELL*  51359.5   -1224452.5413  -2689216.1097   5633638.2717     2     1     1 
 ZWEN*  51359.5    2886325.5021   2155998.4389   5245816.1476     3     3     2 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 178: constrained site KOSG not in data set                                     
    : constrained site MAC1 not in data set                                     
    : constrained site SHAO not in data set                                     
    : constrained site HART not in data set                                     
    : constrained site KERG not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site GOUG has < 1/2 as many obs as average                                
    : site NTUS has < 1/2 as many obs as average                                
    : TSKB residual dN > 2*RMS =       6 mm                                     
    : WES2 residual dU > 2*RMS =       2 mm                                     
 179: constrained site MALI not in data set                                     
    : constrained site HART not in data set                                     
    : constrained site KERG not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site SEY1 has < 1/2 as many obs as average                                
    : site SUTH has < 1/2 as many obs as average                                
    : VILL residual dU > 2*RMS =       4 mm                                     
 180: constrained site MALI not in data set                                     
    : constrained site VILL not in data set                                     
    : constrained site HART not in data set                                     
    : constrained site KERG not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site LHAS has < 1/2 as many obs as average                                
    : site SEY1 has < 1/2 as many obs as average                                
    : ALGO residual dU > 2*RMS =       3 mm                                     
    : MATE residual dU > 2*RMS =       1 mm                                     
 181: constrained site IRKT not in data set                                     
    : constrained site KOSG not in data set                                     
    : constrained site MAC1 not in data set                                     
    : constrained site SHAO not in data set                                     
    : constrained site HART not in data set                                     
    : constrained site KERG not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : KELY residual dN > 2*RMS =       5 mm                                     
    : TIDB residual dU > 2*RMS =       5 mm                                     
 182: constrained site AREQ not in data set                                     
    : constrained site IRKT not in data set                                     
    : constrained site KIT3 not in data set                                     
    : constrained site KOKB not in data set                                     
    : constrained site KOSG not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site GALA has < 1/2 as many obs as average                                
 183: constrained site DAV1 not in data set                                     
    : constrained site IRKT not in data set                                     
    : constrained site KIT3 not in data set                                     
    : constrained site TSKB not in data set                                     
    : constrained site MAC1 not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : site SEY1 has < 1/2 as many obs as average                                
 184: constrained site KOKB not in data set                                     
    : constrained site KOUR not in data set                                     
    : constrained site POTS not in data set                                     
    : constrained site MAC1 not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
--------------------------------------------------------------------------------
                                                                                


[Mailed From: kass <billk @ ngs.noaa.gov>]