Furuno ECDIS FMD-3100 Installation Manual page 67

GLL - Geographic position, latitude/longitude
$--GLL,llll.ll,a,yyyyy.yy,a,hhmmss.ss,a,x*hh<CR><LF>
1 2 3
1. Latitude (0000.00000 to 9000.00000)
2. N/S
3. Longitude (0000.00000 to 18000.00000)
4. E/W
5. UTC of position (No use)
6. Status (A=data valid V=data invalid)
7. Mode indicator (A=Autonomous D=Differential E=Estimated M=Manual input S=Simulator)
GNS - GNSS fix data
$--GNS,hhmmss.ss,llll.ll,a,yyyyy.yy,a,c--c,xx,x.x,x.x,x.x,x.x,x.x,a*hh<CR><LF>
1 2 3
1. UTC of position (no use)
2. Latitude (0000.00000 to 9000.00000)
3. N/S
4. Longitude (0000.00000 to 18000.00000)
5. E/W
6. Mode indicator (A, D, E, F, M, N, P, R, S)
A=Autonomous D=Differential E=Estimated Mode F=Float RTK M=Manual Input Mode
N=No fix P=Precise R=Real Time Kinematic S=Simulator Mode
7. Total number of satellites in use (No use)
8. HDOP (0.00 to 999.99)
9. Antenna altitude, meters (No use)
10. Geoidal separation (No use)
11. Age of differential data (0.00 to 99.99)
12. Differential reference station ID (No use)
13. Navigational status indicator (S=Safe, C=Caution, U=Unsafe, V=Not valid)
HBT - Heartbeat supervision sentence
$--HBT,x.x,A,x*hh<CR><LF>
1 2 3
1. Configured repeat interval (0 to 999, null)
2. Equipment status (A=Normal V=System fail)
3. Sequential sentence identifier (0 to 9)
HCR - Heading Correction Report
$--HCR, x.x,a,a,x.x*hh<CR><LF>
1 2 3 4
1. Heading, degrees true (0.00 to 360.00)
2. Mode indicator
A = Autonomous
E = Estimated (dead reckoning)
M = Manual input
S = Simulator mode
V = Data not valid (including standby)
3. Correction state
A = Both Speed/latitude and dynamic correction included in heading
D = Dynamic correction included in heading
S = Speed/latitude correction included in heading
N = No correction included in heading
V = Not available, reporting device does not know about correction state
4. Correction value (-180 to 180, null)
4 5 6 7
4 5 6 7 8 9 10 11 12 13
APPENDIX 3 DIGITAL INTERFACE
AP-11