
11 02.25.15
period, they then revert back to waking up UHF every multiple of 11 minutes after the hour.
This is to help speed up download attempts with multiple loggers in the same area.
After Downloading Data
Data files downloaded from the GPS Logger are stored on your computer in the C:/Advanced
Telemetry Systems, Inc/GPS/ folder. The filename is DxxxxxxByyyy_JJJ-HHmm.txt where
xxxxxx is the serial number of the GPS Logger, yyyy is the starting block number of the data
download, JJJ is the Julian date the data was downloaded, and HHmm is the hour and minutes
data was downloaded. For instance, D030086B1_313-1134.txt represents a data file for logger
with SN 030086 with datablock beginning at block 1. The date and time of download was on the
313
th
day of the year at 11:34 local computer time.
Data Block Formats
Degrees, Decimal Minutes DD.MMmmmm,N/S,DDD.MMmmm,E/W
(D = deg, M = min, m = decimal min)
Yr
Day
Hr
Mn
St
Act
T
Blk
Lat
N/S
Long
E/W
aa
bbb
cc
dd
e
ff
gg
hhhhh
iiii.iiii
j
kkkkk.kkkk
l
09
001
10
21
2
00
30
00001 17.437810
S
063.098980 W
Cont..:
Alt
Speed Hdop #Sat
#sec Dim
mmmm
n.n
oo.o
pp
qqq
r
286
0.2
11.9
3
23
2
Decimal D/-dd.ddddd,+/-ddd.ddddd (d = degrees)
Yr
Day
Hr
Mn
St
Act
T
Blk
Lat
Long
aa
bbb
cc
dd
e
ff
gg
hhhhh
+/-iiii.iiii
+/-kkkkk.kkkk
09
001
10
21
2
00
30
00001 -17.72968
-63.16497
Cont.:
Alt
Speed Hdop #Sat
#sec Dim
mmmm
n.n
oo.o
pp
qqq
r
286
0.2
11.9
3
23
2
Where:
aa
= Year
bbb
= Julian day (001-365, or 366 for leap year)
cc
= Hour (00-23)
dd
= Minute (00-59)