NSR Marine NGR-1000, User Manual

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NGR-1000/NGR-3000 USER MANUAL
NGR-1000/NGR-3000 UM.E 20190331-04
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RMC- Recommended minimum specific GPS/TRANSIT data
$--RMC,hhmmss.ss,A,llll.ll,a,yyyyy.yyy,a,x.x,x.x,xxxxxx,x.x,a,a,a*hh<CR><LF>
| | | | | | | | | | | |
| | | | | | | | | | | +-------------------- 9
| | | | | | | | | +--+------------------ 8
| | | | | | | | +-------------------------- 7
| | | | | | | +---------------------------- 6
| | | | | | +---------------------------- 5
| | | | +------+--------------------------- 4
| | +-- -+-------------------------------------- 3
| +---------------------------------------- 2
+-------------------------------------------- 1
1. UTC of position fix
2. Status(see Note 3 ): A=data valid, V=navigation receiver warning
3. Latitude, N/S
4. Longitude, E/W
5. Speed over ground, knots
6. Course over ground, degrees true
7. Date: dd/mm/yy
8. magnetic variation, degrees E/W(see Note 1)
9. Mode indicator (see Notes 2 and 3 )
NOTE 1 : E = Easterly variation subtracts from True course
W = Westerly variation adds to True course
NOTE 2: Positioning system mode Indicator
A = Autonomous. Satellite system used in non-differential mode in position fix;
D = Differential. Satellite system used in differential mode in position fix;
E = Estimated (dead reckoning) mode;
F = Float RTK. Satellite system used in real time kinematic mode with floating
integers;
M = Manual input mode;
N =No fix. Satellite system not used in position fix, or fix not valid;
P = Precise. Satellite system used in precision mode. Precision mode is
defined as: no deliberate degradation (such as selective availability) and higher
resolution code (P-code) is used to compute position fix. P is also used for
satellite system used in multi-frequency, SBAS or Precise Point Positioning
(PPP) mode;
R = Real time kinematic. Satellite system used in RTK mode with fixed integers;
S = Simulator mode.
NOTE 3 :The positioning system mode indicator field supplements the positioning system
status field. The status field should be set to V = Invalid for all values of the mode
indicator except for A= Autonomous, D = Differential, F = Float RTK, P = Precise
and R = Real time kinematic. The positioning system mode indicator and status
fields should not be null fields.