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■ MSS (Beacon Receiver Status)
Version 2.1, 2.3 only
$GPMSS,ＩＩＩ,SSS,FFF.F,BBB*hh<CR><LF>
1
2
1:
Signal level
2:
SNR
3:
Frequency
4:
Bit rate
5:
Checksum
■ GST (GPS Pseudorange Noise Statistics for RAIM)
Version 2.1, 2.3 only
$GPGST,hhmmss.ss,xxxx.x,xxxx.x,xxxx.x,xxx,xxxx.x,xxxx.x,xxxx.x*hh<CR><LF>
1
1:
Measured UTC (hr. min. sec. 1/100 sec)
2:
Range RMS[m]
3:
Error ellipse long axis standard deviation [m]
4:
Error ellipse short axis standard deviation [m]
5:
Error ellipse long axis inclination[º]
6:
Latitude error standard deviation [m]
7:
Longitude error standard deviation [m]
8:
Elevation error standard deviation [m]
9:
Checksum
■ GLL (Geographical Position, Latitude / Longitude)
Version 1.5
$GPGLL,ddmm.mm,a,dddmm.mm,a<CR><LF>
1
2 3
Version 2.1
$GPGLL,ddmm.mmmm,a,dddmm.mmmm,a,hhmmss.ss,A*hh<CR><LF>
1
Version 2.3
$GPGLL,ddmm.mmmm,a,dddmm.mmmm,a,hhmmss.ss,A,x*hh<CR><LF>
1
1, 2:
Latitude (deg, min), N / S
3, 4:
Longitude (deg, min), E / W
5:
UTC time (hours, minutes, seconds 1/100 sec fixed at 00)
Measured UTC [1/100 sec] (Version 2.3)
6:
Status A= Valid, V= Invalid
7:
Checksum (Version 1.5, 2.1)
7:
Mode Indicator (Version 2.3)
A :
D :
N :
S :
8:
Checksum (Version 2.3)
Note 1. For version 1.5, when not performing positioning, outputs last measured position
data.
For version 2.3, when not performing positioning, outputs last measured position
data, date, and time.
For version 2.3, when power is turned on, or master reset is performed, the initial
time, date, and position settings are NULL.
3
4
5
2
3
4
5
4
2 3
4
2 3
4
GPS positioning
DGPS positioning
Not positioning
Simulation mode
6
7
8
5
6 7
5
6 7 8
9
Appendix 2-7
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