Trimble Inc. 10950 Manual De Usuario
Alloy GNSS reference receiver User Guide
91
HDT
Heading from True North
The HDT string is shown below, and
Table A.7
describes the message fields.
$GPHDT,123.456,T*00
Table A.7 Heading from true north fields
Field
Meaning
0
Message ID $GPHDT
1
Heading in degrees
2
T: Indicates heading relative to True North
3
The checksum data, always begins with *