Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4OCO callsign genealogy
Currently held by MC CLURE, TONY A
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 K4OCO's current licensee, walking backwards.
- Sapp, BrianGAgranted 2024-12-10cancelled 2024-12-31
Successor callsigns
Callsigns held now by people who previously held K4OCO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4OCO, oldest first.
- MC CLURE, TONY A TN2010-12-09 → cancelled 2023-02-04
- Sapp, Brian GA2024-12-31 active