APPENDIX 1 DIGITAL INTERFACE (IEC 61162-1 EDITION 4 (2010-11))
AP-17
WNR-Waypoint to waypoint distance, Rhumb line
WPL-Waypoint location
XTE-Cross-track error, measured
ZDA-Time and date
**
WNR,x.x,N,x.x,K,c--c,c--c*hh<CR><LF>
1 2 3 4 5 6
1. Distance, nautcal miles
. N (fixed)
3. Distance, km
. K (fixed)
5. To waypoint identifier
. FROM waypoint identifier
$**WPL,llll.ll,a,yyyyy.yy,a,c--c*hh<CR><LF>
1 2 3 4 5
1. Waypoint latitude
2. N/S
3. Waypoint longitude
4. E/W
5. Waypoint identifier (No use)
$GPXTE,A,A,x.x,a,N,a,*hh<CR><LF>
1 2 3 4 5 6
1. Status: A=data valid V=LORAN-C blink or SNR warning
V=general warning flag or other navigation systems
when a reliable fix is not available
2. Status: A=data valid
V=LORAN-C cycle lock warning flag
3. Magnitude of cross-track error
4. Direction to steer, L/R
5. Units, nautical miles (fixed)
6. Mode indicator (A=Autonomous mode D =Differential mode
S = Simulator mode N = Data not valid)
$GPZDA,hhmmss.ss,xx,xx,xxxx,xx,xx<CR><LF>
1 2 3 4 5 6
1. UTC
2. Day
3. Month
4. Year (UTC)
5. Local zone, hours
6. Loca zone, minutes