_readLogr(): Cannot open \\atlas\Shipdata\logger\2025\rcsn\2025296datavislogr.dat.gz
_readLogr(): Cannot open \\atlas\Shipdata\logger\2025\rcsn\2025296datavislogr.dat.gz
Illegal division by zero at bin\pdkc_perseus.pl line 540.

Running bin\pdkc_perseus.pl at Thu Dec 11 03:00:10 2025 on host draco

Command line:
bin\pdkc_perseus.pl -rov vnta -dive 4699

bin\pdkc_perseus.pl: Getting Expedition object for diveno = 4699 and rname = vnta
set_expd(): rov = vnta, diveno = 4699
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 = 4699 AND RovName = 'vnta'

RS->Fields(0)->Value= 8844

RS->Fields(1)->Value= 1761238223

RS->Fields(2)->Value= 1761254961

RS->Fields(3)->Value= 10/23/2025 4:50:23 PM

RS->Fields(4)->Value= 10/23/2025 9:29:21 PM

set_expd(): $self->{EndDDD} = 296
set_expd(): $self->{StartEsecs} = 1761237023
set_expd(): $self->{EndEsecs} = 1761256161
set_expd(): $self->{EndDtg} = 10/23/2025 9:29:21 PM
_readLogr(): Reading videologr data from 2025296datavislogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1761237023 & 1761256161
set_expd(): Calling _refineStartAndEndEsecs...
refineStartAndEndEsecs(): LOGHOST_SYSTEM_UTC[0] = 
refineStartAndEndEsecs(): $LOGHOST_SYSTEM_UTC[end] = 
refineStartAndEndEsecs(): numMinBack = 22, numMinForward = 22
refineStartAndEndEsecs(): Refined StartEsecs = 1761236903, Refined EndEsecs = 1761256281 
_readLogr(): Reading videologr data from 2025296datavislogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1761236903 & 1761256281
rovnavCTDO(): calcUTM = 0
rovnavCTDO(): getRaw = 1
rovNav(): 1, calcUTM = 0
rovNav(): 2, getRaw = 1
rovNav(): calcUTM = 0
rovNav(): DDD = 296 (looping to 296) 
rovNav(): \\atlas\RovNavEdit\2025\vnta\nav2025296vnta.txt and \\atlas\RovNavEdit\2025\vnta\nav2025296vntaedited.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   1761243495 & 1761248145
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, calcUTM = 0
rovNav(): 2, doNotRefineStartEnd = 1
rovNav(): calcUTM = 0
rovNav(): DDD = 296 (looping to 296) 
rovNav(): \\atlas\RovNavEdit\2025\vnta\nav2025296vnta.txt and \\atlas\RovNavEdit\2025\vnta\nav2025296vntaedited.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