SMSGTE will respond to standard APRS queries, although only the ones listed below are supported at this time. SMSGTE will respond to queries formatted as APRS queries and to queries embedded in messages (as a single word message).
To send a query in a message, use the following syntax:
?<query>
APRS/APRSP
SMSGTE will send a position beacon.
APRST/PING?
SMSGTE will respond with a message containing the requestor’s last path.
APRSS
SMSGTE will send a status beacon.
APRSO
SMSGTE will send a position report for itself represented as an object.
APRSM
Will resend any unacknowledged messages addressed to the requesting callsign over the last 24 hours.
Example
The syntax for all commands is basically the same:
?APRSM