Illegal division by zero at .\bin\pdkc.pl line 536.

Running .\bin\pdkc.pl at Wed Aug 26 08:44:16 2015 on host ephyra-vm2

Command line:
.\bin\pdkc.pl -rov vnta -dive 1459

.\bin\pdkc.pl: Getting Expedition object for diveno = 1459 and rname = vnta
set_expd(): rov = vnta, diveno = 1459
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 = 1459 AND RovName = 'vnta'

RS->Fields(0)->Value= 1670

RS->Fields(1)->Value= 903066780

RS->Fields(2)->Value= 903083400

RS->Fields(3)->Value= 8/14/1998 3:53:00 AM

RS->Fields(4)->Value= 8/14/1998 8:30:00 AM

set_expd(): $self->{EndDDD} = 226
set_expd(): $self->{StartEsecs} = 903065580
set_expd(): $self->{EndEsecs} = 903084600
set_expd(): $self->{EndDtg} = 8/14/1998 8:30:00 AM
_readLogr(): Reading videologr data from 1998226videologr.dat.gz. 
_readLogr(): Expedition start & stop times are 903065580 & 903084600
_readLogr(): Flushing variable names:
_readLogr(): esecs of file line[0] = 903084609, self->{EndEsecs} = 903084600
_readLogr(): #LOGHOST_SYSTEM_UTC = 1899
_readLogr(): $LOGHOST_SYSTEM_UTC[beg] = 903065590
_readLogr(): $LOGHOST_SYSTEM_UTC[end] = 903084599
set_expd(): Calling _refineStartAndEndEsecs...
refineStartAndEndEsecs(): LOGHOST_SYSTEM_UTC[0] = 903065590
refineStartAndEndEsecs(): $LOGHOST_SYSTEM_UTC[end] = 903084599
refineStartAndEndEsecs(): numMinBack = 22, numMinForward = 22
refineStartAndEndEsecs(): Refined StartEsecs = 903065460, Refined EndEsecs = 903084720 
_readLogr(): Reading videologr data from 1998226videologr.dat.gz. 
_readLogr(): Expedition start & stop times are 903065460 & 903084720
_readLogr(): Flushing variable names:
_readLogr(): esecs of file line[0] = 903084729, self->{EndEsecs} = 903084720
_readLogr(): #LOGHOST_SYSTEM_UTC = 1923
_readLogr(): $LOGHOST_SYSTEM_UTC[beg] = 903065470
_readLogr(): $LOGHOST_SYSTEM_UTC[end] = 903084719
rovnavCTDO(): calcUTM = 0
rovnavCTDO(): getRaw = 1
rovNav(): 1, calcUTM = 0
rovNav(): 2, getRaw = 1
rovNav(): calcUTM = 0
rovNav(): DDD = 226 (looping to 226) 
rovNav(): \\atlas\RovNavEdit\1998\vnta\nav1998226vnta.txt and \\atlas\RovNavEdit\1998\vnta\nav1998226vntaedited.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   903081630 & 903078345
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 = 226 (looping to 226) 
rovNav(): \\atlas\RovNavEdit\1998\vnta\nav1998226vnta.txt and \\atlas\RovNavEdit\1998\vnta\nav1998226vntaedited.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