_readLogr(): Cannot open \\atlas\Shipdata\logger\1991\ptlo\1991253videologr.dat.gz
_readLogr(): Cannot open \\atlas\Shipdata\logger\1991\ptlo\1991253videologr.dat.gz
Illegal division by zero at .\bin\pdkc.pl line 536.

Running .\bin\pdkc.pl at Tue Aug 25 22:43:56 2015 on host ephyra-vm2

Command line:
.\bin\pdkc.pl -rov vnta -dive 304

.\bin\pdkc.pl: Getting Expedition object for diveno = 304 and rname = vnta
set_expd(): rov = vnta, diveno = 304
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 = 304 AND RovName = 'vnta'

RS->Fields(0)->Value= 425

RS->Fields(1)->Value= 684518400

RS->Fields(2)->Value= 684539700

RS->Fields(3)->Value= 9/10/1991 4:00:00 PM

RS->Fields(4)->Value= 9/10/1991 9:55:00 PM

set_expd(): $self->{EndDDD} = 253
set_expd(): $self->{StartEsecs} = 684517200
set_expd(): $self->{EndEsecs} = 684540900
set_expd(): $self->{EndDtg} = 9/10/1991 9:55:00 PM
_readLogr(): Reading videologr data from 1991253videologr.dat.gz. 
_readLogr(): Expedition start & stop times are 684517200 & 684540900
set_expd(): Calling _refineStartAndEndEsecs...
refineStartAndEndEsecs(): LOGHOST_SYSTEM_UTC[0] = 
refineStartAndEndEsecs(): $LOGHOST_SYSTEM_UTC[end] = 
refineStartAndEndEsecs(): numMinBack = 22, numMinForward = 22
refineStartAndEndEsecs(): Refined StartEsecs = 684517080, Refined EndEsecs = 684541020 
_readLogr(): Reading videologr data from 1991253videologr.dat.gz. 
_readLogr(): Expedition start & stop times are 684517080 & 684541020
rovnavCTDO(): getRaw = 1
rovnavCTDO(): calcUTM = 0
rovNav(): 1, calcUTM = 0
rovNav(): 2, getRaw = 1
rovNav(): calcUTM = 0
rovNav(): DDD = 253 (looping to 253) 
rovNav(): \\atlas\RovNavEdit\1991\vnta\nav1991253vnta.txt and \\atlas\RovNavEdit\1991\vnta\nav1991253vntaedited.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 = 253 (looping to 253) 
rovNav(): \\atlas\RovNavEdit\1991\vnta\nav1991253vnta.txt and \\atlas\RovNavEdit\1991\vnta\nav1991253vntaedited.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.pl: -------------------------------------------------------------------------------

Position subsampling set to 1