_readLogr(): Cannot open \\atlas\Shipdata\logger\2025\wfly\2025309shipnavlogr.dat.gz
_readLogr(): Cannot open \\atlas\Shipdata\logger\2025\wfly\2025309shipnavlogr.dat.gz
Illegal division by zero at bin\pdkc_perseus.pl line 540.

Running bin\pdkc_perseus.pl at Thu Dec 11 03:00:17 2025 on host draco

Command line:
bin\pdkc_perseus.pl -rov docr -dive 1472

bin\pdkc_perseus.pl: Getting Expedition object for diveno = 1472 and rname = docr
set_expd(): rov = docr, diveno = 1472
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 = 1472 AND RovName = 'docr'

RS->Fields(0)->Value= 8852

RS->Fields(1)->Value= 1762355100

RS->Fields(2)->Value= 1762392540

RS->Fields(3)->Value= 11/5/2025 3:05:00 PM

RS->Fields(4)->Value= 11/6/2025 1:29:00 AM

set_expd(): $self->{EndDDD} = 310
set_expd(): $self->{StartEsecs} = 1762353900
set_expd(): $self->{EndEsecs} = 1762393740
set_expd(): $self->{EndDtg} = 11/6/2025 1:29:00 AM
_readLogr(): Reading videologr data from 2025309shipnavlogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1762353900 & 1762393740
set_expd(): Calling _refineStartAndEndEsecs...
refineStartAndEndEsecs(): LOGHOST_SYSTEM_UTC[0] = 
refineStartAndEndEsecs(): $LOGHOST_SYSTEM_UTC[end] = 
refineStartAndEndEsecs(): numMinBack = 22, numMinForward = 22
refineStartAndEndEsecs(): Refined StartEsecs = 1762353780, Refined EndEsecs = 1762393860 
_readLogr(): Reading videologr data from 2025309shipnavlogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1762353780 & 1762393860
rovnavCTDO(): calcUTM = 0
rovnavCTDO(): getRaw = 1
rovNav(): 1, calcUTM = 0
rovNav(): 2, getRaw = 1
rovNav(): calcUTM = 0
rovNav(): DDD = 309 (looping to 310) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025309docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025309docredited.txt does not exist.  Skipping this file...
rovNav(): DDD = 310 (looping to 310) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025310docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025310docredited.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 = 309 (looping to 310) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025309docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025309docredited.txt does not exist.  Skipping this file...
rovNav(): DDD = 310 (looping to 310) 
rovNav(): \\atlas\RovNavEdit\2025\docr\nav2025310docr.txt and \\atlas\RovNavEdit\2025\docr\nav2025310docredited.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