Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS1SM callsign genealogy
Currently held by WIRELESS SOCIETY OF SOUTHERN MAINE
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by WS1SM's current licensee, walking backwards.
- KB1UPUcancelledWireless Society Of Southern MaineMEgranted 2010-08-02cancelled 2010-08-24
Successor callsigns
Callsigns held now by people who previously held WS1SM.
No current licensee on record previously held this callsign.