Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4UKF callsign genealogy
Currently held by CONLON JR, WILLIAM J
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 K4UKF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held K4UKF.
- CONLON JR, WILLIAM JWIgranted 2018-12-18