Furuno FR-10, Operator'S Manual

Page: 148 / 171

APPENDIX 3 DIGITAL INTERFACE
AP-12
RMC - Recommended Minimum Specific GNSS Data
THS-True Heading and Status
TTM-Tracked Target Message
$**RMC, hhmmss.ss, A, llll.ll, a, yyyyy.yy, a, x.x, x.x, ddmmyy, x.x, a, a, a *hh<CR><LF>
1 2 3 4 5 6 7 8 9 10 11 12 13
1. UTC of position fix (not used)
2. Status* (A=data valid, V=navigation receiver warning)
3. Latitude (0000.0000 to 9000.0000)
4. N/S
5. Longitude (0000.0000 to 18000.0000)
6. E/W
7. Speed over ground, knots (0.0 to 1273.9)
8. Course over ground, degrees true (0.0 to 360.0)
9. Date (not used)
10. Magnetic variation, degrees (0.00 to 180.0)
11. E/W
12. Mode indicator
A= Autonomous; D= Differential; E=Estimated; F=Float RTK; M=Manual; P=Precise;
R=Real time kinematic; S= Simulator; N=No fix
13. Navigational status indication
S=Safe; C=Caution; U=Unsafe; V=Navigational status not valid
$**THS, xxx.x, a *hh<CR><LF>
1 2
1. Heading, degrees True (0.0 to 360.0)
2. Mode indicator
A=Autonomous; E=Estimated; M=Manual input;
S=Simulator; V=Data not valid
$**TTM, xx, x.x, x.x, a, x.x, x.x, a, x.x, x.x, a, c--c, a, a, hhmmss.ss, a *hh<CR><LF>
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1. Target number (00 to 100)
2. Target distance from own ship (0.000 to 99.999)
3. Bearing from own ship,degrees (0.0 to 360.0)
4. True or Relative (T, R)
5. Target speed (not used)
6. Target course, degrees (not used)
7. True or Relative (not used)
8. Distance of closet point of approach (not used)
9. Time to CPA, min., "-" increasing (not used)
10. Speed/distance units (K=km, km/h; N=nm, kn; S=sm, mph)
11. Target name (not used)
12. Target status (not used)
13. Reference target (not used)
14. UTC of data (not used)
15. Type of acquisition (not used)