Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TFH callsign genealogy
Currently held by HEAD IV, THOMAS F
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 N4TFH's current licensee, walking backwards.
- HEAD IV, THOMAS FNHgranted 2020-08-12cancelled 2025-05-06
Successor callsigns
Callsigns held now by people who previously held N4TFH.
No current licensee on record previously held this callsign.