Empty Return Set: RS from:
Server=solstice;Database=expd;UID=everyone;PWD=guest;
for:
SELECT DateDiff(ss, '01/01/70', rovCtdDtg) AS esecs, pres, depth, temper, salin, oxyg, light, 
	presflag, depthflag, temperflag, salinflag, oxygflag, lightflag FROM RovCtd WHERE rovCtdDtg BETWEEN '9/8/2011 3:08:57 PM' AND '9/8/2011 3:40:07 PM' AND vehicle = 'vnta'

 at bin\geopdvc.pl line 366

Running bin\geopdvc.pl at Sun Nov  6 03:00:05 2011 on host solstice

Command line:
bin\geopdvc.pl -rov vnta -dive 3639

bin\geopdvc.pl: Getting Expedition object for diveno = 3639 and rname = vnta
set_expd(): rov = vnta, diveno = 3639
set_expd(): $self->{EndDDD} = 251
set_expd(): $self->{StartEsecs} = 1315493337
set_expd(): $self->{EndEsecs} = 1315497607
set_expd(): $self->{EndDtg} = 9/8/2011 3:40:07 PM
_readLogr(): Reading videologr data from 2011251datavislogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1315493337 & 1315497607
_readLogr(): Flushing variable names:
_readLogr(): esecs of file line[0] = 1315497610, self->{EndEsecs} = 1315497607
_readLogr(): #LOGHOST_SYSTEM_UTC = 426
_readLogr(): $LOGHOST_SYSTEM_UTC[beg] = 1315493339
_readLogr(): $LOGHOST_SYSTEM_UTC[end] = 1315497600
set_expd(): Calling _refineStartAndEndEsecs...
refineStartAndEndEsecs(): LOGHOST_SYSTEM_UTC[0] = 1315493339
refineStartAndEndEsecs(): $LOGHOST_SYSTEM_UTC[end] = 1315497600
refineStartAndEndEsecs(): setting StartEsecs to 1315493337
refineStartAndEndEsecs(): setting EndEsecs to 1315494119
refineStartAndEndEsecs(): numMinBack = 8.96666666666667, numMinForward = 7.05
refineStartAndEndEsecs(): Refined StartEsecs = 1315493999, Refined EndEsecs = 1315496830 
_readLogr(): Reading videologr data from 2011251datavislogr.dat.gz. 
_readLogr(): Expedition start & stop times are 1315493999 & 1315496830
_readLogr(): Flushing variable names:
_readLogr(): esecs of file line[0] = 1315496840, self->{EndEsecs} = 1315496830
_readLogr(): #LOGHOST_SYSTEM_UTC = 282
_readLogr(): $LOGHOST_SYSTEM_UTC[beg] = 1315494009
_readLogr(): $LOGHOST_SYSTEM_UTC[end] = 1315496830
bin\geopdvc.pl: expdid = 4554 
bin\geopdvc.pl: Calling rovNavCTDO to get raw nav data...
rovnavCTDO(): calcUTM = 0
rovnavCTDO(): getRaw = 1
rovNav(): 1, calcUTM = 0
rovNav(): 2, getRaw = 1
rovNav(): calcUTM = 0
rovNav(): DDD = 251 (looping to 251) 
Does file exist?: \\tornado\TempNav\2011\vnta\nav2011251vntaedited.txt
   yes.
EXPD.pm: editNav flag = 
rovNav(): Opening ROV nav data from \\tornado\TempNav\2011\vnta\nav2011251vnta.txt
esecs, east, north, lat, lon, head, pres
1315494694,       0,       0,  36.751697, -121.845430, 290.6,    2.83
1315495448,       0,       0,  36.751528, -121.844810,  70.5,   40.57
1315495949,       0,       0,  36.752047, -121.844145, 332.3,   41.23
1315496449,       0,       0,  36.751548, -121.844908, 266.3,    2.62
rovNav(): 251: 2233  in tList after reading from \\tornado\TempNav\2011\vnta\nav2011251vnta.txt
2233 in tList
2233 in {self->{rovT}}
2233 in {self->{rovH}}