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| author | Gary E. Miller <gem@rellim.com> | 2018-11-01 14:26:55 -0700 |
|---|---|---|
| committer | Gary E. Miller <gem@rellim.com> | 2018-11-01 14:26:55 -0700 |
| commit | 3ff58cbf8e5fe11bea26234f06ecf9fffb2267f5 (patch) | |
| tree | 8f43051f1b1ea05911401efe75873dd292a43840 /www | |
| parent | 5bb49c2fcfc8ff73abd41138d48e8464ceb2f5fc (diff) | |
| download | gpsd-3ff58cbf8e5fe11bea26234f06ecf9fffb2267f5.tar.gz | |
WWW/NMEA: Add $--MDA sentence description.
Diffstat (limited to 'www')
| -rw-r--r-- | www/NMEA.txt | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/www/NMEA.txt b/www/NMEA.txt index 080181b3..6268b18a 100644 --- a/www/NMEA.txt +++ b/www/NMEA.txt @@ -1094,7 +1094,7 @@ Field Number: 12. Differential reference station ID 13. Checksum -The Mode indicator is two or more characters, with the first and second +The Mode indicator is two or more characters, with the first and second defined for GPS and GLONASS. Further characters may be defined. For each system, the character can have a value (table may be incomplete): @@ -1106,7 +1106,7 @@ each system, the character can have a value (table may be incomplete): * F = Float RTK * E = Estimated (dead reckoning) Mode * M = Manual Input Mode -* S = Simulator Mode +* S = Simulator Mode === GRS - GPS Range Residuals === @@ -1402,6 +1402,40 @@ Field Number: 13. Time Difference 5 Signal Status 14. Checksum +=== MDA - Meteorilogical Composite === + +------------------------------------------------------------------------------ + 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 + | | | | | | | | | | | | | | | | | | | | | + $--MDA,n.nn,I,n.nnn,B,n.n,C,n.C,n.n,n,n.n,C,n.n,T,n.n,M,n.n,N,n.n,M*hh<CR><LF> +------------------------------------------------------------------------------ + +Field Number: + +1. Barometric pressure, inches of mercury, to the nearest 0.01 inch +2. I = inches of mercury +3. Barometric pressure, bars, to the nearest .001 bar +4. B = bars +5. Air temperature, degrees C, to the nearest 0.1 degree C +6. C = degrees C +7. Water temperature, degrees C (this field left blank by WeatherStation) +8. C = degrees C +9. Relative humidity, percent, to the nearest 0.1 percent +10. Absolute humidity, percent +11. Dew point, degrees C, to the nearest 0.1 degree C +12. C = degrees C +13. Wind direction, degrees True, to the nearest 0.1 degree +14. T = true +15. Wind direction, degrees Magnetic, to the nearest 0.1 degree +16. M = magnetic +17. Wind speed, knots, to the nearest 0.1 knot +18. N = knots +19. Wind speed, meters per second, to the nearest 0.1 m/s +20. M = meters per second +21. Checksum + +Obsolete as of 2009. + === MSK - Control for a Beacon Receiver === ------------------------------------------------------------------------------ |