Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4EEF callsign genealogy
Currently held by Renfro Jr, William 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 K4EEF's current licensee, walking backwards.
- Renfro Jr, William CALgranted 2018-06-12cancelled 2018-07-03
Successor callsigns
Callsigns held now by people who previously held K4EEF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4EEF, oldest first.
- PARKER JR, TULLY P VA1987-12-29 → cancelled 1999-12-30
- FOWLER, EDWARD E KY2004-04-28 → cancelled 2016-04-29
- Renfro Jr, William C AL2018-07-03 active