MX575A/B DGPS Compass
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6. Data Output
The MX575 data output conforms to the
NMEA 0183 V3.0 at 4800, 9600, or 19200
baud. Below is a list of the NMEA sentences output:
NMEA 0183 Data Output Sentences
(1)
GBS -
GNSS Satellite Fault Detection (Modified MX Marine version)
This message is used to support Receiver Autonomous Integrity Monitoring
(RAIM) feature in the MX420 CDU. A special character flag was added for proper
RAIM status determination
$PMVXG,GBS,hhmmss.ss,x.x, x.x,x.x,xx,x.x,x.x,x.x,x*hh<CR><LF>
1 2 3 4 5 6 7 8 9
Notes: 1 ----- UTC time of the GGA or GNS fix associated with this
sentence.
2 ----- Expected error in Latitude (meters)
3 ----- Expected error in Longitude (meters)
4 ----- Expected error in Altitude (meters)
5 ----- ID number of most likely failed satellite
6 ----- Probability of missed detection for most likely failed satellite
7 ----- Estimate of bias in meters on most likely failed satellite
8 ----- Standard deviation of bias estimate
9 ----- RAIM status mode; 0=safe, 1=caution, 2=unsafe