Leica iCON aps 200, User Manual

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Field Description
3 = 3D
xx PRN numbers of the satellites used in the solution.
For NMEA v4.0: This field is repeated 12 times.
For NMEA v4.1: This field is repeated 16 times.
☞
A new GSA message is sent for each GNSS con-
stellation tracked.
For NMEA v4.0 and v4.1:
GPS 1 to 32 GPS satellites
33 to 64 SBAS satellites
65 to 99 Undefined
GLONASS 1 to 32 Undefined
33 to 64 SBAS satellites
65 to 99 GLONASS satellites
For NMEA v4.1 also:
Galileo 1 to 36 Galileo satellites
37 to 64 Galileo SBAS
65 to 99 Undefined
BeiDou 1 to 37 BeiDou satellites
38 to 64 BeiDou SBAS
65 to 99 Undefined
x.x PDOP
x.x HDOP
x.x VDOP
h For NMEA v4.1. GNSS System ID
1 = GPS
2 = GLONASS
3 = Galileo
4 = BeiDou
*hh Checksum
<CR> C arriage R eturn
<LF> L ine F eed
For NMEA v4.0:
Standard Talker ID = GPS only
$GPGSA,A,3,01,04,06,09,11,17,20,23,31,,,,1.5,0.8,1.3*31
Standard Talker ID = GNSS
$GNGSA,A,3,01,04,06,09,11,17,20,23,31,,,,1.1,0.5,1.0*25
$GNGSA,A,3,65,71,72,73,74,80,86,87,88,,,,1.1,0.5,1.0*26
Examples
NMEA Message Formats 67