Hardware
Copyright © 2015 Coda Octopus Products Ltd
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F180R MOTION Sensor User and Reference Guide
Figure 4: NMEA - GGK Format
3.1.2.2.3 GSA
The NMEA - GSA string identifies the GPS position fix mode, the ID of the Satelite Vehicles
used for navigation, and the Dilution of Precision (DOP) values.
Figure 5: NMEA GSA String
Mode
M = Manual, forced to operate in 2D or 3D mode
A = Automatic, allowed to automatically change between 2D or 3D
Mode
1 = Fix not available
2 = 2D
3 = 3D
IDs of the satellites used in the solution. This field is repeated 12 times. (null
for unused fields)