APRS users can lookup the license type and general location or address
associated with an Amateur Radio Callsign by sending a that callsign to
WHO-15 for “clients and IGates that do not support non-AX.25
> W0ILO < C/RED RIVER RADIO AMATEURS/ND/United States
> f W0ILO < W0ILO: RED RIVER RADIO AMATEURS/C < W0ILO: PO BOX 3215 < W0ILO: FARGO ND United States
License Type Codes
These codes are displayed at the beginning of the general location message and at the end of the name line of the address message
WHO-IS is an APRS Service
which may be globally accessed from RF or TCP/IP APRS clients.
maintained by Peter Loveall AE5PL and is a part of the
APRS-IS software stack.
Other APRS Services include:
“Callsign Lookup”, APRS-IS, accessed July 26 2020, http://www.aprs-is.net/WhoIs.aspx. ↩︎