Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3WJM 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 K3WJM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K3WJM.
- McCusker, William JSDgranted 2018-02-28
All historical holders
Every license row we've seen with the callsign K3WJM, oldest first.
- McCusker, William J CT2005-09-13 → cancelled 2008-04-15
- MCGLYNN III, WILLIAM J VA2017-04-04 active