Leica GR10, Руководство по эксплуатации

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Appendix B: NMEA Messages
B7: GLL - Geographical Position Latitude/Longitude
Syntax
$--GLL,llll.ll,a,yyyyy.yy,a,hhmmss.ss,A,a*hh<CR><LF>
Description of fields
Field Description
$--GGL Header including talker ID
llll.ll Latitude (WGS 1984)
a Hemisphere,
N
orth or
S
outh
y yyy.yy y Longitude (W 1984) GS
a
E
ast or
W
est
hhmmss.ss UTC time of position
A Status
A = Data valid
V = Data not valid
a Mode indicator
A = Autonomous mode
D = Differential mode
N = Data not valid
*hh Checksum
<CR>
C
arriage
R
eturn
<LF>
L
ine
F
eed
The Mode indicator field supplements the Status field. The Status field is set to A for the Mode indicators A and D.
The Status field is set to V for the Mode indicator N.
Examples
Standard Talker ID
$GNGLL,4724.5248556,N,00937.1063059,E,113615.50,A,D*7B
User defined Talker ID = GN
$GNGLL,4724.5248541,N,00937.1063044,E,113805.50,A,D*7E
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