************************************ MAS-50 DATA EVALUATION ***************************************************************** ------------------------------------------------------------------------------------------------------------------------------- FLIGHT: 98-073 DATE: 02 Jun 1998 AIRCRAFT NO. : 809 SITE: Arctic Ocean, SHEBA P.I.: King T.O./LAND: 1940 - 0230 ------------------------------------------------------------------------------------------------------------------------------- TAPE #1: TAPE #2: FILE # DATA TYPE # BLKS BEG/END TIME FILE # DATA TYPE # BLKS BEG/END TIME ------------------------------------------------------------------------------------------------------------------------------- 1 HEADER 1 N/A / N/A 5 HEADER 1 N/A / N/A 2 preflight 2261 16:17:23-16:23:37 6-8 data 12322, 21133, 6606 23:54:45 - 01:42:15 3-4 data 38124, 45273 20:11:08 - 23:54:43 (files are continuous data) ------------------------------------------------------------------------------------------------------------------------------- PRE-FLIGHT CALIBRATION: lamps on file 2, 2261 lines scanline time BB1 BB2 .... head temperatures .... scan roll..roll record number HHMMSS temp temp 1 2 3 4 rate deg count 1001 3452 16201478 16.55 36.26 20.94 21.82 20.57 26.23 0.00 -0.26 -48 Comments: samples 356-380 used in .rep and .sta files opt 1 at record 500 shows video min > BB counts; BB range, gain, video range ok; head counts = BB counts BEGINNING: (file 3 lines 1-1000) scanline time BB1 BB2 .... head temperatures .... scan roll..roll record number HHMMSS temp temp 1 2 3 4 rate deg count 501 15106 20123725 -7.94 23.07 15.74 16.22 10.78 25.86 0.00 -0.37 -68 d a t e t i m e scanline RS232 nav INS GPS INS GPS house GPS record YYYYDDD HHMMSSff number day:hh:mm:ss latitude latitude longitude longitude heading pitch roll roll altitude 500 1998177 20123708 15105 153:20:12:35 N67 35.7 N67 35.7 W151 4.1 W151 4.1 332.49 +0.2637 -0.3241 -0.3735 18882.5 Comments: opt 1 at record 500 shows video min > BB counts; BB range, gain, video range ok; head counts = BB counts Ports 1 and 2 nominal, port 3 channels minor degradation, port 4 some channels subtle line to line noise. Heavy cloud cover. MIDDLE: (file 4 lines 44300-45273) scanline time BB1 BB2 .... head temperatures .... scan roll..roll record number HHMMSS temp temp 1 2 3 4 rate deg count 501 97590 23532768 -0.09 23.62 19.89 19.13 15.33 25.78 0.00 -19.38 -3528 d a t e t i m e scanline RS232 nav INS GPS INS GPS house GPS record YYYYDDD HHMMSSff number day:hh:mm:ss latitude latitude longitude longitude heading pitch roll roll altitude 500 1998177 23532752 97589 153:23:53:26 N75 15.3 N75 16.0 W167 47.3 W167 47.4 65.92 +0.9174 -19.4128 -19.3799 20654.0 Comments: opt 1 at record 500 shows video min > BB counts; BB range, gain, video range ok; head counts = BB counts Ports 1 and 2 nominal, port 3 channels degraded (but may be due to role in this segment), port 4 some channels subtle line to line noise and very dark. Heavy cloud cover. END: (file 8 lines 6500-6606) scanline time BB1 BB2 .... head temperatures .... scan roll..roll record number HHMMSS temp temp 1 2 3 4 rate deg count 501 137718 1405494 -1.74 22.17 19.76 19.72 14.75 25.82 0.00 -0.44 -80 d a t e t i m e scanline RS232 nav INS GPS INS GPS house GPS record YYYYDDD HHMMSSff number day:hh:mm:ss latitude latitude longitude longitude heading pitch roll roll altitude 500 1998177 1405478 137717 154:01:40:53 N67 56.1 N67 56.1 W151 19.4 W151 19.4 153.73 -1.2415 -0.3461 -0.4175 19443.6 Comments: opt 1 at record 500 shows video min > BB counts; BB range, gain, video range ok; head counts = BB counts Ports 1, 2 and 4 nominal, port 3 channels minor degradation. Heavy cloud cover. ----------------------------------------------------------------------------------------------------------- Additional Comments ----------------------------------------------------------------------------------------------------------- DATA LOSSES ----------- scanline gap between records 1 and 2 scanlines 1-14554 times 20110843 20111679 scanline gap between records 2 and 3 scanlines 14554-14606 times 20111679 20111695 scanline gap between records 20 and 21 scanlines 14623-14626 times 20112000 20112016 scanline gap between records 38124 and 38125 scanlines 52729-52731 times 21532025 21532057 scanline gap between records 77166 and 77167 scanlines 91772-91833 times 23380255 23380271 scanline gap between records 83398 and 83399 scanlines 98064-98078 times 23544576 23545942 scanline gap between records 83399 and 83400 scanlines 98078-98162 times 23545942 23545958 scanline gap between records 95719 and 95720 scanlines 110481-110484 times 275886 275935 scanline gap between records 116852 and 116853 scanlines 131616-131619 times 1243461 1243509 ... reached end of media after record 123458 of file 2 OVERALL QUALITY: excellent TOTAL DATA TIME: 5 hrs 30 mins