Data Sheet

LOCOSYS Technology Inc.
20F.-13, No.79, Sec. 1, Xintai 5th Rd.,
Xizhi District, New Taipei City 221, Taiwan
℡ 886-2-8698-3698
 886-2-8698-3699
www.locosystech.com
Page 5/20
© 2006 LOCOSYS Technology Inc.
N/S indicator N N=north or S=south
Longitude 12136.0099 dddmm.mmmm
E/W Indicator E E=east or W=west
Position Fix Indicator 1 See Table 5.1-3
Satellites Used 08 Range 0 to 12
HDOP 1.1 Horizontal Dilution of Precision
MSL Altitude 63.8 mters
Units M mters
Geoid Separation 15.2 mters
Units M mters
Age of Diff. Corr. second Null fields when DGPS is not used
Diff. Ref. Station ID 0000
Checksum *64
<CR> <LF> End of message termination
Table 5.1-3 Position Fix Indicators
Value Description
0 Fix not available or invalid
1 GPS SPS Mode, fix valid
2 Differential GPS, SPS Mode, fix valid
3-5 Not supported
6 Dead Reckoning Mode, fix valid
 GLL--- Geographic Position – Latitude/Longitude
Table 5.1-4 contains the values for the following example:
$GPGLL,2503.6319,N,12136.0099,E,053740.000,A,A*52
Table 5.1-4 GLL Data Format
Name Example Units Description
Message ID $GPGLL GLL protocol header
Latitude 2503.6319 ddmm.mmmm
N/S indicator N N=north or S=south
Longitude 12136.0099 dddmm.mmmm
E/W indicator E E=east or W=west
UTC Time 053740.000 hhmmss.sss
Status A A=data valid or V=data not valid
Mode A
A=autonomous, D=DGPS, E=DR, N=Data not valid,
R=Coarse Position, S=Simulator