Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4TFN callsign genealogy
Currently held by HIGH III, JOHN H
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 N4TFN's current licensee, walking backwards.
- Naugher, Terry FALgranted 2013-04-24cancelled 2013-05-14
Successor callsigns
Callsigns held now by people who previously held N4TFN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TFN, oldest first.
- HIGH III, JOHN H FL1988-06-28 → cancelled 2000-06-29
- Naugher, Terry F AL2023-02-22 active