Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WCK callsign genealogy
Currently held by KELLY, WALTER C
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 K4WCK's current licensee, walking backwards.
- Kotzbauer, William CFLgranted 2013-02-05cancelled 2013-03-09
Successor callsigns
Callsigns held now by people who previously held K4WCK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4WCK, oldest first.
- KELLY, WALTER C VA1999-02-26 → cancelled 2011-03-01
- Kotzbauer, William C FL2022-12-17 active