Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1WJM callsign genealogy
Currently held by McCusker, William J
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 K1WJM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K1WJM.
No current licensee on record previously held this callsign.