_readLogr(): Cannot open \\atlas\Shipdata\logger\2025\wfly\2025343shipnavlogr.dat.gz
_readLogr(): Cannot open \\atlas\Shipdata\logger\2025\wfly\2025343shipnavlogr.dat.gz
Illegal division by zero at bin\pdkc_perseus.pl line 540.

Running bin\pdkc_perseus.pl at Thu Jan 29 03:00:16 2026 on host draco

Command line:
bin\pdkc_perseus.pl -rov docr -dive 1477

bin\pdkc_perseus.pl: Getting Expedition object for diveno = 1477 and rname = docr
set_expd(): rov = docr, diveno = 1477
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 = 1477 AND RovName = 'docr'

RS->Fields(0)->Value= 8873

RS->Fields(1)->Value= 1765313266

RS->Fields(2)->Value= 1765335732

RS->Fields(3)->Value= 12/9/2025 8:47:46 PM

RS->Fields(4)->Value= 12/10/2025 3:02:12 AM

set_expd(): $self->{EndDDD} = 344
set_expd(): $self->{StartEsecs} = 1765312066
set_expd(): $self->{EndEsecs} = 1765336932
set_expd(): $self->{EndDtg} = 12/10/2025 3:02:12 AM
_readLogr(): Reading videologr data from 2025343shipnavlogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1765312066 & 1765336932
set_expd(): Calling _refineStartAndEndEsecs...
refineStartAndEndEsecs(): LOGHOST_SYSTEM_UTC[0] = 
refineStartAndEndEsecs(): $LOGHOST_SYSTEM_UTC[end] = 
refineStartAndEndEsecs(): numMinBack = 22, numMinForward = 22
refineStartAndEndEsecs(): Refined StartEsecs = 1765311946, Refined EndEsecs = 1765337052 
_readLogr(): Reading videologr data from 2025343shipnavlogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1765311946 & 1765337052
rovnavCTDO(): getRaw = 1
rovnavCTDO(): calcUTM = 0
rovNav(): 1, getRaw = 1
rovNav(): 2, calcUTM = 0
rovNav(): calcUTM = 0
rovNav(): DDD = 343 (looping to 344) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025343docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025343docredited.txt does not exist.  Skipping this file...
rovNav(): DDD = 344 (looping to 344) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025344docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025344docredited.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 = 343 (looping to 344) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025343docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025343docredited.txt does not exist.  Skipping this file...
rovNav(): DDD = 344 (looping to 344) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025344docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025344docredited.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