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

Running .\bin\pdkc.pl at Wed Aug 26 08:45:48 2015 on host ephyra-vm2

Command line:
.\bin\pdkc.pl -rov vnta -dive 1467

.\bin\pdkc.pl: Getting Expedition object for diveno = 1467 and rname = vnta
set_expd(): rov = vnta, diveno = 1467
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 = 1467 AND RovName = 'vnta'

RS->Fields(0)->Value= 1678

RS->Fields(1)->Value= 904578900

RS->Fields(2)->Value= 904599300

RS->Fields(3)->Value= 8/31/1998 3:55:00 PM

RS->Fields(4)->Value= 8/31/1998 9:35:00 PM

set_expd(): $self->{EndDDD} = 243
set_expd(): $self->{StartEsecs} = 904577700
set_expd(): $self->{EndEsecs} = 904600500
set_expd(): $self->{EndDtg} = 8/31/1998 9:35:00 PM
_readLogr(): Reading videologr data from 1998243videologr.dat.gz. 
_readLogr(): Expedition start & stop times are 904577700 & 904600500
_readLogr(): Flushing variable names:
_readLogr(): esecs of file line[0] = 904600504, self->{EndEsecs} = 904600500
_readLogr(): #LOGHOST_SYSTEM_UTC = 2276
_readLogr(): $LOGHOST_SYSTEM_UTC[beg] = 904577710
_readLogr(): $LOGHOST_SYSTEM_UTC[end] = 904600494
set_expd(): Calling _refineStartAndEndEsecs...
refineStartAndEndEsecs(): LOGHOST_SYSTEM_UTC[0] = 904577710
refineStartAndEndEsecs(): $LOGHOST_SYSTEM_UTC[end] = 904600494
refineStartAndEndEsecs(): numMinBack = 22, numMinForward = 22
refineStartAndEndEsecs(): Refined StartEsecs = 904577580, Refined EndEsecs = 904600620 
_readLogr(): Reading videologr data from 1998243videologr.dat.gz. 
_readLogr(): Expedition start & stop times are 904577580 & 904600620
_readLogr(): Flushing variable names:
_readLogr(): esecs of file line[0] = 904600624, self->{EndEsecs} = 904600620
_readLogr(): #LOGHOST_SYSTEM_UTC = 2300
_readLogr(): $LOGHOST_SYSTEM_UTC[beg] = 904577589
_readLogr(): $LOGHOST_SYSTEM_UTC[end] = 904600614
rovnavCTDO(): calcUTM = 0
rovnavCTDO(): getRaw = 1
rovNav(): 1, getRaw = 1
rovNav(): 2, calcUTM = 0
rovNav(): calcUTM = 0
rovNav(): DDD = 243 (looping to 243) 
rovNav(): \\atlas\RovNavEdit\1998\vnta\nav1998243vnta.txt and \\atlas\RovNavEdit\1998\vnta\nav1998243vntaedited.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   904595025 & 904583565
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 = 243 (looping to 243) 
rovNav(): \\atlas\RovNavEdit\1998\vnta\nav1998243vnta.txt and \\atlas\RovNavEdit\1998\vnta\nav1998243vntaedited.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