_readLogr(): Cannot open \\atlas\Shipdata\logger\2025\wfly\2025338shipnavlogr.dat.gz
_readLogr(): Cannot open \\atlas\Shipdata\logger\2025\wfly\2025338shipnavlogr.dat.gz
Illegal division by zero at bin\pdkc_perseus.pl line 540.

Running bin\pdkc_perseus.pl at Thu Jan 29 03:00:14 2026 on host draco

Command line:
bin\pdkc_perseus.pl -rov docr -dive 1475

bin\pdkc_perseus.pl: Getting Expedition object for diveno = 1475 and rname = docr
set_expd(): rov = docr, diveno = 1475
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 = 1475 AND RovName = 'docr'

RS->Fields(0)->Value= 8886

RS->Fields(1)->Value= 1764886535

RS->Fields(2)->Value= 1764902003

RS->Fields(3)->Value= 12/4/2025 10:15:35 PM

RS->Fields(4)->Value= 12/5/2025 2:33:23 AM

set_expd(): $self->{EndDDD} = 339
set_expd(): $self->{StartEsecs} = 1764885335
set_expd(): $self->{EndEsecs} = 1764903203
set_expd(): $self->{EndDtg} = 12/5/2025 2:33:23 AM
_readLogr(): Reading videologr data from 2025338shipnavlogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1764885335 & 1764903203
set_expd(): Calling _refineStartAndEndEsecs...
refineStartAndEndEsecs(): LOGHOST_SYSTEM_UTC[0] = 
refineStartAndEndEsecs(): $LOGHOST_SYSTEM_UTC[end] = 
refineStartAndEndEsecs(): numMinBack = 22, numMinForward = 22
refineStartAndEndEsecs(): Refined StartEsecs = 1764885215, Refined EndEsecs = 1764903323 
_readLogr(): Reading videologr data from 2025338shipnavlogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1764885215 & 1764903323
rovnavCTDO(): calcUTM = 0
rovnavCTDO(): getRaw = 1
rovNav(): 1, getRaw = 1
rovNav(): 2, calcUTM = 0
rovNav(): calcUTM = 0
rovNav(): DDD = 338 (looping to 339) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025338docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025338docredited.txt does not exist.  Skipping this file...
rovNav(): DDD = 339 (looping to 339) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025339docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025339docredited.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, calcUTM = 0
rovNav(): 2, doNotRefineStartEnd = 1
rovNav(): calcUTM = 0
rovNav(): DDD = 338 (looping to 339) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025338docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025338docredited.txt does not exist.  Skipping this file...
rovNav(): DDD = 339 (looping to 339) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025339docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025339docredited.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