Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4THM callsign genealogy
Currently held by MARTIN SR, ROY Z
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 N4THM's current licensee, walking backwards.
- KG4UCEcancelledTURKEY HEAVEN MT. REPEATER ASSOC.GAgranted 2002-07-02cancelled 2002-11-30
Successor callsigns
Callsigns held now by people who previously held N4THM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4THM, oldest first.
- MARTIN SR, ROY Z AL1988-07-05 → cancelled 2000-07-06
- TURKEY HEAVEN MT REPEATER ASSOC AL2022-12-15 active