Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT4ASF callsign genealogy
Currently held by Thompson, Tristan 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 KT4ASF's current licensee, walking backwards.
- Thompson, Tristan HNCgranted 2023-05-20cancelled 2023-06-22
Successor callsigns
Callsigns held now by people who previously held KT4ASF.
No current licensee on record previously held this callsign.