12 lines expected.. -------------------- hdrs grep "GPS Starting poin" aisa_grep2.txt | grep "{5[12].*, -[01]" | grep -v " -1.[1-9]" | grep -v " {52.[2345678]" > likelies bands 252, samples 1024 4388749560-GPS Starting point = {52.051056, -0.969316} [247 bytes past ENVI start] tail -c+4388749312 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 |head -n 547 4388815096-GPS Starting point = {51.882381, -1.000942} tail -c+4388814849 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 |head -n 547 4388880632-GPS Starting point = {52.050510, -0.972757} 4389994744-GPS Starting point = {51.880867, -0.999992} 4390060280-GPS Starting point = {52.054996, -0.984509} 4390125815-GPS Starting point = {51.890373, -1.036325} 4394516726-GPS Starting point = {51.878212, -0.983243} 121956598008-GPS Starting point = {51.957211, -1.068776} 125367681272-GPS Starting point = {51.887985, -0.974128} 129659568376-GPS Starting point = {52.054295, -0.956536} 154562527480-GPS Starting point = {51.987915, -0.974253} 154564690168-GPS Starting point = {52.026901, -0.830008} ------------------------ images (scanned on band 19) images (scanned on band 160 odd) filename=/local0/data/arsf/buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr offset=2422038528 w=1024 bandno=19 bands=252 lines=722 - farmland, dark end after 4098834432 tail -c +2439905281 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | >head -c 1773821952 > /tmp/line1b.bil matches eagle_header_file-121956597761.hdr in load_bil - filename=/local0/data/arsf/buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr offset=4098834432 w=1024 bandno=19 bands=252 lines=722 - short snippet, unsure range 4214267904 (+1 for tail -c o_O) -> 4388708351, 337 blocks (max frame count jump 50) no matched eagle header.. actually matches 143473574259-lines = 337 (20/feb/2007 line) spotted another one range 4394582016 (+1 for tail -c o_O) -> 8610054143, 8168 blocks of 516096 bytes (max frame count jump 200) tail -c +4394582017 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 4215472128 > /tmp/aline.bil matches eagle_header_file-4388749312.hdr spotted another stopped at offset 12186083328, run was 6829, jump (40594) was outside tolerance (200) range 8610054144 (+1 for tail -c o_O) -> 12186083327, 6929 blocks of 516096 bytes (max frame count jump 200) tail -c +8610054145 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 3576029184 > /tmp/aline.bil matches eagle_header_file-4388814849.hdr spotted another stopped at offset 17083326464, run was 9107, jump (53943) was outside tolerance (200) range 12186091520 (+1 for tail -c o_O) -> 17083326463, 9489 blocks of 516096 bytes (max frame count jump 200) tail -c +12186091521 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 4897234944 > /tmp/aline.bil matches eagle_header_file-4388880385.hdr in load_bil - filename=/local0/data/arsf/buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr offset=23475142656 w=1024 bandno=19 bands=252 lines=722 - buildings, dark range 23452696576 (+1 for tail -c o_O) -> 26832609279, 6549 blocks of 516096 bytes (max frame count jump 200) tail -c +23452696577 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 3379912704 > /tmp/aline.bil ?** ???? no idea, doesn't appear to match anything. By inspection, it seems to be about 7075 long and looks like farmland & buildings - definitely possible. appears to be line 4 eagle_header_file-4389994497.hdr which claims to be 7270 lines, but the data isn't there to show that - definitely 7075 -> tail -c +23452696577 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 3651379200 > /tmp/aline.bil edited header file to match in load_bil - filename=/local0/data/arsf/buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr offset=27015045120 w=1024 bandno=19 bands=252 lines=722 - farmland range 27104641024 (+1 for tail -c o_O) -> 31391334399, 8305 blocks of 516096 bytes (max frame count jump 200) tail -c +27104641025 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 4286177280 > /tmp/aline.bil eagle_header_file-4390060033.hdr (actually 8306) in load_bil - filename=/local0/data/arsf/buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr offset=31300190208 w=1024 bandno=19 bands=252 lines=722 range 31391350784 (+1 for tail -c o_O) -> 34867773439, 6736 blocks of 516096 bytes (max frame count jump 200) tail -c +31391350785 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 3476422656 > /tmp/aline.bil eagle_header_file-4390125568.hdr in load_bil - filename=/local0/data/arsf/buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr offset=34840092672 w=1024 bandno=19 bands=252 lines=722 - after 37075820544 = mess stopped at offset 36948156416, run was 3956, jump (461) was outside tolerance (200) range 34867773440 (+1 for tail -c o_O) -> 36948156415, 4031 blocks of 516096 bytes (max frame count jump 200) tail -c +34867773441 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 2080382976 > /tmp/aline.bil ? ???? visual match to line 1 truncated - about half missing compared to ATM no matching header file found (destroyed?) - manually recreated no autodark various lower # bands & 512-wide images [junk] 60211511296 lower band, 1024-wide image darkness around 70... up to 73965330432 up to 104215748608 procedure - run gtviewer from this offset - look for dark bits & images - band scan with RMB - push offset into quickscan in workspace below - pray right res, differently banded file @ 118879584256 (very dark thing was range 121806520320 (+1 for tail -c o_O) -> 121931415551, 242 blocks of 516096 bytes (max frame count jump 200) tail -c +121806520321 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 124895232 > /tmp/aline.bil three lines: ? 121932349896-lines = 242 143493169523-lines = 242 143493431667-lines = 242 ) in load_bil - filename=/local0/data/arsf/buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr offset=121847169024 w=1024 bandno=19 bands=252 lines=722 - something around here, very dark, started a bit earlier range 121956663296 (+1 for tail -c o_O) -> 125367541759, 6609 blocks of 516096 bytes (max frame count jump 200) tail -c +121956663297 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 3410878464 > /tmp/aline.bil eagle_header_file-125367681025.hdr in load_bil - filename=/local0/data/arsf/buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr offset=125200760832 w=1024 bandno=19 bands=252 lines=722 range 125367746560 (+1 for tail -c o_O) -> 129622441983, 8244 blocks of 516096 bytes (max frame count jump 200) tail -c +125367746561 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 4254695424 > /tmp/aline.bil ? guessed it was actually longer (8315) to match eagle_header_file-129659568129.hdr tail -c +125367746561 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 4291338240 > /tmp/aline.bil worked :) in load_bil - filename=/local0/data/arsf/buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr offset=129672216576 w=1024 bandno=19 bands=252 lines=722 - funny square lake (reservoir?) range 129659633664 (+1 for tail -c o_O) -> 133319270399, 7091 blocks of 516096 bytes (max frame count jump 200) tail -c +129659633665 buckingham_disk_dup.raw-DO_NOT_DELETE-ask_mggr-pmpc886 | head -c 3659636736 > /tmp/aline.bil matches a line 158032200084-lines = 7091 (23/3/2006) X looks likely to be line8 of buckingham confirmed, though truncated edited matching header file (eagle_header_file-4394516479.hdr) up to 163953377280 many differently banded or different resolution flights some distractions.. but just as likely to have missed joined flights earlier up to 259903365120 up to 282819575808 end