Swarm M138 - Page 45

Examples:
Calling the most recent GPS message:
$GN @*69
$GN 37.8921,-122.0155,77,89,2*01
Returns a location of 37.8921N, 122.0155W. The device's altitude is 77m, its course is 89
degrees, and it is moving at 2 kilometers per hour.
Setting the rate of GPS messages:
$GN 30*2a
$GN OK*2d
Sets the rate of GPS messages to one message every 30 seconds.
Querying the rate of GPS messages:
$GN ?*16
$GN 15*2d
Returns a rate of one message every 15 seconds.
November 2021 Swarm M138 Modem Manual - Rev 1.00 45/77