Summary
NMEA 0183 standard Heading, Deviation and Variation.

Syntax
$--HDG,<1>,<2>,<3>,<4>,<5>*hh<CR><LF>

Fields
<1>    Magnetic sensor heading, degrees, to the nearest 0.1 degree.
<2>    Magnetic deviation, degrees east or west, to the nearest 0.1 degree.
<3>    E if field <2> is degrees East W if field <2> is degrees West
<4>    Magnetic variation, degrees east or west, to the nearest 0.1 degree.
<5>    E if field <4> is degrees East W if field <4> is degrees West




Leave a Reply.