Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4UOJ callsign genealogy
Currently held by Merritt Sr, 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 K4UOJ's current licensee, walking backwards.
- Merritt, William JKYgranted 2019-05-14cancelled 2019-07-02
Successor callsigns
Callsigns held now by people who previously held K4UOJ.
- Merritt Sr, William JKYgranted 2024-04-06
All historical holders
Every license row we've seen with the callsign K4UOJ, oldest first.
- DISNEY, LONAS D TN2003-12-23 → cancelled 2016-03-23
- Merritt Sr, William J KY2019-07-02 → cancelled 2024-04-06