$GN - Geospatial information
Set or query the rate for $GN unsolicited report messages for date and time. Also can retrieve
the most current $GN message.
$GN <@|?|<rate>>*xx
Repeat most recent $GN message
Disable or set rate of $GN messages
Returns one of:
$GN
<latitude>,<longitude>,<altitude>,
<course>,<speed>*xx
The most recent $GN message
Parameters updated successfully
November 2021 Swarm M138 Modem Manual - Rev 1.00 43/77