Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO4Y callsign genealogy
Currently held by MC GAHAN, WILLIAM M
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 WO4Y's current licensee, walking backwards.
- MC GAHAN, WILLIAM Mcancelled 1999-03-26
Successor callsigns
Callsigns held now by people who previously held WO4Y.
- STEUSSY, JAMES MVAgranted 2026-04-15