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Drivers Manual

Network - NMEA Compass (INHDT) (No CheckSum) - 05


Driver for NMEA-0183 $-Hxx sentences, containing true and/or magnetic (gyro)compass heading data.

  • $-HCC, $-HCD and $HDM sentences contain magnetic headings.
  • $-HDT sentences contain true headings
  • $-HDG strings contain magnetic heading, deviation and variation, from which true headings can be obtained.

Two versions of the driver are available: a Serial version and a Network version (UDP).
The internal workings of the drivers are the same except for the data reception.

Driver Information

Driver NMEA Compass Interface Type UDP/Serial Driver Class Type Terminated 
UTC Driver (question) No Input / Output Input  Executable DrvGyroNMEAUDP.exe
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