Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WFC callsign genealogy
Currently held by Crittenden, William F
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 K4WFC's current licensee, walking backwards.
- Crittenden, William FAZgranted 2016-02-10cancelled 2021-02-09
Successor callsigns
Callsigns held now by people who previously held K4WFC.
No current licensee on record previously held this callsign.