Gll-Geographic Position - Latitude/Longitude; Gns-Gnss Fix Data; Grs-Gnss Range Residuals; Gsa-Gnss Dop And Active Satellites - Furuno GP-170 Installation Manual

GLL-Geographic position - Latitude/longitude

$**GLL,llll.lll,a,yyyyy.yyy,a,hhmmss.ss,a,x,*hh<CR><LF>
1 2 3
1. Latitude
2. N/S
3. Longitude
4. E/W
5. UTC of position (no use)
6. Status (A=data valid V=data invalid)
7. Mode indicator (A=Autonomous D=Differential S=Simulator)

GNS-GNSS fix data

$**GNS,hhmmss.ss,llll.lll,a,IIIII.III,a,c--c,xx,x.x,x.x,x.x,x.x,x.x,a*hh<CR><LF>
1 2
1. UTC of position (no use)
2. Latitude
3. N/S
4. Longitude
5. E/W
6. Mode indicator
N=No fix A=Autonomous D=Differential P=Precise R=Real Time Kinematic
F=Float RTK E=Estimated Mode M=Manual Input Mode S=Simulator Mode
7. Total number of satellites in use
8. HDOP
9. Antenna altitude, meters
10. Geoidal separation
11. Age of differential data
12. Differential reference station ID
13. Naivgational status indicator

GRS-GNSS range residuals

$**GRS,hhmmss.ss,x,x.x,x.x,x.x,x.x,x.x,x.x,x.x,x.x,x.x,x.x,x.x,x.x,h,h*hh<CR><LF>
2 3
1
1. UTC time of the GGA or GNS fix associated with this sentence
2. Mode: 0=residuals were used to calculate the position given in the matching GGA or GNS sentence
1=residuals were re-computed after the GGA or GNS position was computed
3. Range residuals for satellites used in the navigation solution.
Order should match order of satellite ID numbers in GSA.
When GRS is used, GSA and GSV aregenerally required. Null for unused fields.
4. GNSS System ID
5. Signal ID

GSA-GNSS DOP and active satellites

$--GSA,a,x,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,x.x,x.x,x.x,h*hh<CR><LF>
1 2
1. Mode (M=manual, forced to operate in 2=2D 3=3D mode
A=automatic, allowed to automatically switch 2D/3D)
2. Mode (1=fix not available 2=2D 3=3D)
3. ID number of satellites used in solution
4. PDOP
5. HDOP
6. VDOP
7. GNSS System ID
APPENDIX 1 DIGITAL INTERFACE (IEC 61162-1 EDITION 4 (2010-11))
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AP-11