Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1THF callsign genealogy
Currently held by Fitzgerald, Thomas 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 K1THF's current licensee, walking backwards.
- Fitzgerald, Thomas HMAgranted 2023-08-22cancelled 2024-08-03
Successor callsigns
Callsigns held now by people who previously held K1THF.
No current licensee on record previously held this callsign.