Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K4WKC callsign genealogy
Currently held by Clark, William K
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 K4WKC's current licensee, walking backwards.
- Clark, William KFLgranted 2014-08-08cancelled 2014-08-26
Successor callsigns
Callsigns held now by people who previously held K4WKC.
No current licensee on record previously held this callsign.