_readLogr(): Cannot open \\atlas\Shipdata\logger\2025\wfly\2025344shipnavlogr.dat.gz _readLogr(): Cannot open \\atlas\Shipdata\logger\2025\wfly\2025344shipnavlogr.dat.gz Illegal division by zero at bin\pdkc_perseus.pl line 540. Running bin\pdkc_perseus.pl at Thu Jan 29 03:00:17 2026 on host draco Command line: bin\pdkc_perseus.pl -rov docr -dive 1478 bin\pdkc_perseus.pl: Getting Expedition object for diveno = 1478 and rname = docr set_expd(): rov = docr, diveno = 1478 set_expd(): Executing sql: SELECT ExpeditionID_FK, DateDiff(ss, '01/01/70', DiveStartDtg), DateDiff(ss, '01/01/70', DiveEndDtg), DiveStartDtg, DiveEndDtg FROM Dive WHERE DiveNumber = 1478 AND RovName = 'docr' RS->Fields(0)->Value= 8873 RS->Fields(1)->Value= 1765381517 RS->Fields(2)->Value= 1765418718 RS->Fields(3)->Value= 12/10/2025 3:45:17 PM RS->Fields(4)->Value= 12/11/2025 2:05:18 AM set_expd(): $self->{EndDDD} = 345 set_expd(): $self->{StartEsecs} = 1765380317 set_expd(): $self->{EndEsecs} = 1765419918 set_expd(): $self->{EndDtg} = 12/11/2025 2:05:18 AM _readLogr(): Reading videologr data from 2025344shipnavlogr.dat.gz. _readLogr(): Expedition start & stop times are 1765380317 & 1765419918 set_expd(): Calling _refineStartAndEndEsecs... refineStartAndEndEsecs(): LOGHOST_SYSTEM_UTC[0] = refineStartAndEndEsecs(): $LOGHOST_SYSTEM_UTC[end] = refineStartAndEndEsecs(): numMinBack = 22, numMinForward = 22 refineStartAndEndEsecs(): Refined StartEsecs = 1765380197, Refined EndEsecs = 1765420038 _readLogr(): Reading videologr data from 2025344shipnavlogr.dat.gz. _readLogr(): Expedition start & stop times are 1765380197 & 1765420038 rovnavCTDO(): calcUTM = 0 rovnavCTDO(): getRaw = 1 rovNav(): 1, getRaw = 1 rovNav(): 2, calcUTM = 0 rovNav(): calcUTM = 0 rovNav(): DDD = 344 (looping to 345) rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025344docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025344docredited.txt does not exist. Skipping this file... rovNav(): DDD = 345 (looping to 345) rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025345docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025345docredited.txt does not exist. Skipping this file... -1 in tList -1 in {self->{rovT}} -1 in {self->{rovH}} rovCTDO(): ROV CTDO start & stop times are & rovNavCTDO(): Looking up ROVCTDO data ('.'found, 'X' exceeds max iter.): rovGDCListRefs(): dMedian = rovGDCListRefs(): dStats->sample_range = rovGDCListRefs(): rovDepth (paroscientific) range is less than 1. Using rovctd calculated depth rovNav(): 1, doNotRefineStartEnd = 1 rovNav(): 2, calcUTM = 0 rovNav(): calcUTM = 0 rovNav(): DDD = 344 (looping to 345) rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025344docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025344docredited.txt does not exist. Skipping this file... rovNav(): DDD = 345 (looping to 345) rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025345docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025345docredited.txt does not exist. Skipping this file... -1 in tList -1 in {self->{rovT}} -1 in {self->{rovH}} rovGDCListRefs(): dMedian = rovGDCListRefs(): dStats->sample_range = rovGDCListRefs(): rovDepth (paroscientific) range is less than 1. Using rovctd calculated depth bin\pdkc_perseus.pl: ------------------------------------------------------------------------------- Position subsampling set to 1