GPHDT

NMEA heading log

Platform:

OEM719, OEM729, OEM7500, OEM7600, OEM7700, OEM7720, PwrPak7, SPAN CPT7, SMART7

Firmware Stream:     

This log contains actual vessel heading in degrees True (from True North). See also a description of heading in the HEADING2 log. You can also set a standard deviation threshold for this log, see the HDTOUTTHRESHOLD command.

You must have an ALIGN capable receiver to use this log.

The GPHDT log can only be logged using the ONCHANGED trigger. Other triggers, such as ONTIME are not accepted.

If the NMEATALKER command is set to AUTO, the talker (the first 2 characters after the $ sign in the log header) is set to GP (GPS satellites only), GL (GLONASS satellites only) or GN (satellites from both systems) or GA (Galileo satellites only).

Message ID: 1045

Log Type: Asynch

Recommended Input:

log gphdt onchanged

Example 1 (GPS only):

$GPHDT,75.5664,T*36

Example 2 (Combined GPS and GLONASS):

$GNHDT,75.5554,T*45

Field

Structure

Description

Symbol

Example

1

$GPHDT

Log header. See Messages for more information.

 

$GPHDT

2

heading

Heading in degrees

x.x

75.5554

3

True

Degrees True

T

T

4

*xx

Check sum

*hh

*36

5

[CR][LF]

Sentence terminator

 

[CR][LF]

 

OM-20000167 v14

November 2019

Email comments to NovAtel_TPUBS@NovAtel.com

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