Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1TFU callsign genealogy
Currently held by Utsch, Thomas
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 K1TFU's current licensee, walking backwards.
- Utsch, ThomasCAgranted 2020-12-18cancelled 2021-01-22
Successor callsigns
Callsigns held now by people who previously held K1TFU.
No current licensee on record previously held this callsign.