NMEA THS datagram format
The NMEA THS datagram provides the true vessel heading.
The datagram includes a mode indicator field providing critical safety-related information about the heading data.
The THS datagram replaces the deprecated HDT.
Format
$--HETHS,x.xx,a*hh<CR><LF>
Description
1
$—
:
Talker identifier
2
HETHS
:
Datagram identifier
3
x.xx
:
Heading
(
Degrees
)
4
a
:
Mode
•
A
:
Autonomous
•
V
:
The data are not valid.
5
*hh
:
Checksum
Related topics
Supported datagram formats
Datagram formats
NMEA datagram formats