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

Running .\bin\pdkc.pl at Wed Aug 26 14:08:39 2015 on host ephyra-vm2

Command line:
.\bin\pdkc.pl -rov vnta -dive 2615

.\bin\pdkc.pl: Getting Expedition object for diveno = 2615 and rname = vnta
set_expd(): rov = vnta, diveno = 2615
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 = 2615 AND RovName = 'vnta'

RS->Fields(0)->Value= 3128

RS->Fields(1)->Value= 1106599680

RS->Fields(2)->Value= 1106607690

RS->Fields(3)->Value= 1/24/2005 8:48:00 PM

RS->Fields(4)->Value= 1/24/2005 11:01:30 PM

set_expd(): $self->{EndDDD} = 024
set_expd(): $self->{StartEsecs} = 1106598480
set_expd(): $self->{EndEsecs} = 1106608890
set_expd(): $self->{EndDtg} = 1/24/2005 11:01:30 PM
_readLogr(): Reading videologr data from 2005024datavislogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1106598480 & 1106608890
_readLogr(): Flushing variable names:
_readLogr(): esecs of file line[0] = 1106608900, self->{EndEsecs} = 1106608890
_readLogr(): #LOGHOST_SYSTEM_UTC = 1039
_readLogr(): $LOGHOST_SYSTEM_UTC[beg] = 1106598489
_readLogr(): $LOGHOST_SYSTEM_UTC[end] = 1106608890
set_expd(): Calling _refineStartAndEndEsecs...
refineStartAndEndEsecs(): LOGHOST_SYSTEM_UTC[0] = 1106598489
refineStartAndEndEsecs(): $LOGHOST_SYSTEM_UTC[end] = 1106608890
refineStartAndEndEsecs(): setting StartEsecs to 1106598480
refineStartAndEndEsecs(): setting EndEsecs to 1106599460
refineStartAndEndEsecs(): numMinBack = 5.66666666666667, numMinForward = 18.5
refineStartAndEndEsecs(): Refined StartEsecs = 1106599340, Refined EndEsecs = 1106608800 
_readLogr(): Reading videologr data from 2005024datavislogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1106599340 & 1106608800
_readLogr(): Flushing variable names:
_readLogr(): esecs of file line[0] = 1106608810, self->{EndEsecs} = 1106608800
_readLogr(): #LOGHOST_SYSTEM_UTC = 944
_readLogr(): $LOGHOST_SYSTEM_UTC[beg] = 1106599350
_readLogr(): $LOGHOST_SYSTEM_UTC[end] = 1106608800
rovnavCTDO(): getRaw = 1
rovnavCTDO(): calcUTM = 0
rovNav(): 1, calcUTM = 0
rovNav(): 2, getRaw = 1
rovNav(): calcUTM = 0
rovNav(): DDD = 024 (looping to 024) 
rovNav(): \\atlas\RovNavEdit\2005\vnta\nav2005024vnta.txt and \\atlas\RovNavEdit\2005\vnta\nav2005024vntaedited.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   1106606565 & 1106607300
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 = 024 (looping to 024) 
rovNav(): \\atlas\RovNavEdit\2005\vnta\nav2005024vnta.txt and \\atlas\RovNavEdit\2005\vnta\nav2005024vntaedited.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