Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4WSU callsign genealogy
Currently held by McCoy Jr, Allen 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 K4WSU's current licensee, walking backwards.
- McCoy Jr, Allen MVAgranted 2014-01-28cancelled 2015-02-21
Successor callsigns
Callsigns held now by people who previously held K4WSU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4WSU, oldest first.
- JOHNSON JR, ERWIN E AL1994-09-22 → cancelled 2006-09-23
- McCoy Jr, Allen M VA2024-11-26 active