All amateur radio stations are required to transmit their callsign regulary.
We comply with this requirement by using the Link Layer Discovery Protocol (LLDP).
Every Adalm Pluto hosts a lldp daemon that is configured to broadcast a LLDP packet every 60 seconds. This packet contains the Callsign of the station.
The configuration takes place in
/etc/init.d/S90transceiver.sh. We evaluate the variable hnap_callsign,
which can be set via the command:
fw_setenv hnap_callsign <YOUR-CALLSIGN>
You can view the current LLDP configuration with
lldpcli show config. All received LLDP information from other stations
can be displayer with
lldpcli show neigh.