************************************  MAS-50 DATA EVALUATION  *****************************************************************
-------------------------------------------------------------------------------------------------------------------------------
FLIGHT: 98-075			DATE: 04 Jun 1998	AIRCRAFT NO. : 	809
SITE:   Arctic Ocean, SHEBA     P.I.: King		T.O./LAND:  1855 - 0030
-------------------------------------------------------------------------------------------------------------------------------
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	          	         1	HEADER		 1       N/A / N/A
  2-3	  preflight  2076, 1869   15:50:30-15:56:12/15:56:59-16:02:02    2	data           15250	23:04:01 - 23:45:05
  4-6     data	181, 65062, 16454     19:24:59 - 23:04:01 (files are continuous)
-------------------------------------------------------------------------------------------------------------------------------

PRE-FLIGHT CALIBRATION: lamps on
file 2, 2076 lines 
            scanline  time       BB1   BB2  .... head temperatures ....  scan   roll..roll 
     record  number  HHMMSS     temp  temp     1      2      3      4    rate    deg count
	1001    4606  15531936  16.60 36.33   20.30  21.05  19.96  26.14  0.00  -0.33   -60

	Comments: samples 370-394 used in .rep and .sta files



PRE-FLIGHT CALIBRATION: dark
file 3, 1869 lines
            scanline  time       BB1   BB2  .... head temperatures ....  scan   roll..roll 
     record  number  HHMMSS     temp  temp     1      2      3      4    rate    deg count
	901    6892  15592700  16.61 36.21   20.64  21.27  20.24  26.22  0.00  -0.33   -60


	Comments: samples 370-394 used in .rep and .sta files



BEGINNING: (file 5 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   16498  19265790  -7.36 22.91   16.62  17.35  11.55  25.90  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 1998155  19265774    16497   155:19:26:56  N67 30.4  N67 30.4  W150 47.1  W150 47.1  335.75  +0.5713   -0.3461  -0.3735   19019.0


	Comments: opt 1 at record 500 shows video min > BB counts; BB range, gain, video range ok; head counts = BB counts 
		  All channels appear nominal, some minor (subtle) line to line in upper Port 4 channels. Heavy cloud cover.   




MIDDLE: (file 6 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   81563  22210838   0.04 23.27   19.93  19.20  15.37  25.82  0.00 -21.25 -3868

       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  1998155  22210821    81562   155:22:21:07  N75 35.5  N75 35.5  W167 22.1  W167 22.1  152.97  +0.9503   -20.4675 -21.2036   20587.3

	Comments: opt 1 at record 500 shows video min > BB counts; BB range, gain, video range ok; head counts = BB counts
		  High degree of roll in this segment. Port 1 and 2 channels appear nominal, some minor (subtle) line to line
		  in upper Port 4 channels. Heavy cloud cover.
 
		
	     
					
END: (file 8 lines 14300-15250)
            scanline  time       BB1   BB2  .... head temperatures ....  scan   roll..roll 
     record  number  HHMMSS     temp  temp     1      2      3      4    rate    deg count
	501  112465  23435288  -2.61 22.00   18.95  19.06  13.90  25.83  0.00  -0.20   -36

       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 1998155  23435272   112464   155:23:43:51  N67 38.5  N67 38.5  W150 51.5  W150 51.5  155.20  -0.9283   -0.1758  -0.1978   19375.3


	Comments: opt 1 at record 500 shows video min > BB counts; BB range, gain, video range ok; head counts = BB counts
		  All channels appear nominal. Heavy cloud cover. 
    

		
				   
				
-----------------------------------------------------------------------------------------------------------
Additional Comments 
-----------------------------------------------------------------------------------------------------------



DATA LOSSES
-----------
scascanline gap between records 1 and 2   scanlines 1-15762   times 19245954 19250790
scanline gap between records 2 and 3   scanlines 15762-15814   times 19250790 19250806
scanline gap between records 20 and 21   scanlines 15831-15834   times 19251111 19251127
scanline gap between records 181 and 182   scanlines 15994-15998   times 19253697 19253761
scanline gap between records 65243 and 65244   scanlines 81059-81063   times 22194741 22194805
scanline gap between records 75469 and 75470   scanlines 91288-91352   times 22472086 22472102
scanline gap between records 81697 and 81698   scanlines 97579-97582   times 23040146 23040194
scanline gap between records 81699 and 81700   scanlines 97583-97668   times 23041544 23041576
... reached end of media after record 96947 of file 2

 
OVERALL QUALITY: 			TOTAL DATA TIME: 4 hrs 20 mins