************************************ MAS-50 DATA EVALUATION ********************************************* ----------------------------------------------------------------------------------------------------------- FLIGHT: 98-063 DATE: 13 May 1998 AIRCRAFT NO. : 809 SITE: Ferry DFRC to Fairbanks P.I.: King T.O./LAND: 16:10/21:50 ----------------------------------------------------------------------------------------------------------- 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 Preflight 1810 13:41:15-13:45:48 2 DATA 19282 20:19:08-21:10:45 3 Data 83868 16:34:14-20:18:51 ----------------------------------------------------------------------------------------------------------- PRE-FLIGHT CALIBRATION: Time Comments: (Lamps, voltage, name of *.rep file, compared with others) Record # Temp1: -8.62 BB1: 14.75 20" sphere not available - No Cal Data available Temp2: 0.51 BB2: 35.09 LN-2 must have spilled over to the therms Temp3: -6.19 Temp4: 25.57 BEGINNING (tape 1): Time 16:34:14 Comments: California Valley? - 80% cloudy Scanline: 16114 All of port 4 (bands 42-50 are dead) Temp1: 4.89 BB1: -9.02 Normal absorbsion feature noise in chs 26,27,34 and 41 Temp2: 5.85 BB2: 32.10 Noisey bands also have first video pixel bad, random noise Temp3: -0.58 Odd 1 or 2 pixel vertical striping noticed in bands 14,15,16 and 31-41 Temp4: 25.46 occurs at pixel 429 492 and 577 and is correlated on all the bands. MIDDLE (tape 1): Time: 18:22:45 Comments: 100% cloud (multi level) Scanline: 56661 All of port 4 (bands 42-50 are dead) Temp1: 9.17 BB1: -03.53 Normal absorbsion feature noise in chs 26,27,34 and 41 Temp2: 8.89 BB2: 34.06 Noisey bands also have first video pixel bad, random noise Temp3: 3.92 Not related to pixelation problem tied to DDX board Temp4: 25.50 Odd 1 or 2 pixel vertical striping noticed in bands 14,15,16 and 31-41 occurs at pixel 429 492 and 577 and is correlated on all the bands. END (tape 1): Time: 20:18:51 Comments: Nice snow cloud scene over southeast alaska Scanline: 100029 All of port 4 (bands 42-50 are dead) Temp1: 11.07 BB1: -3.01 Normal absorbsion feature noise in chs 26,27,33,34 and 41 Temp2: 11.06 BB2: 34.10 Odd 1 or 2 pixel vertical striping noticed in bands 14,15,16 and 31-41 Temp3: 5.66 occurs at pixel 429 492 and 577 and is correlated on all the bands. Temp4: 25.59 BEGINNING (tape 2): Time 20:19:08 Comments: Nice snow cloud scene over southeast alaska Scanline: 100132 All of port 4 (bands 42-50 are dead) Temp1: 11.08 BB1: -3.01 Normal absorbsion feature noise in chs 26,27,33,34 and 41 Temp2: 11.06 BB2: 34.09 Odd 1 or 2 pixel vertical striping noticed in bands 14,15,16 and 31-41 Temp3: 5.67 Temp4: 25.61 END (tape 2): Time: 21:10:45 Comments: Broken clouds over snow covered mountains Scanline: 119413 All of port 4 (bands 42-50 are dead) Temp1: 12.51 BB1: -0.91 Normal absorbsion feature noise in chs 26,27,33,34 and 41 Temp2: 12.29 BB2: 33.71 Odd 1 or 2 pixel vertical striping noticed in bands 14,15,16 and 31-41 Temp3: 7.07 Temp4: 25.68 ----------------------------------------------------------------------------------------------------------- Additional Comments ----------------------------------------------------------------------------------------------------------- CHANNEL 1 AND 2 GAINS --------------------- Preliminary indications are that there are good mid-range values over bright targets. No clipping or saturation. TIME CODE OFFSET ----------------------------- There is an offset of 15:49:12 between the MAS time and the RS-232 example ... d a t e t i m e scanline RS232 nav file record YYYYDDD HHMMSSff number day:hh:mm:ss 1 111 1998133 4273942 99279 133:20:16:51 PORT 4 INFORMATION ----------------------------- All bands dead through out the flight Port 4 Dewar topped @ 0830L INSTRUMENT TEMPERATURE ---------------------- Minco looks likes it worked exceedingly well. Very stable. It looks like the MAS actually warmed up a bit through the flight. Broda indicated it was really warm up there, 50 deg?? DATA LOSSES ----------- tape 1 scanline gap between records 1 and 2 scanlines 1-16055 times 445285 450120 scanline gap between records 2 and 3 scanlines 16055-16107 times 450120 450136 scanline gap between records 20 and 21 scanlines 16124-16127 times 450441 450457 scanline gap between records 77608 and 77609 scanlines 93714-93778 times 4125565 4125581 ... reached end of media after record 83867 of file 2 tape 2 ... reached end of media after record 19282 of file 2 OVERALL QUALITY: Good TOTAL DATA TIME: 4 hr 36 min