Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT1TCM callsign genealogy
Currently held by Thrash, Keith O
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 KT1TCM's current licensee, walking backwards.
- Thrash, Keith OMSgranted 2022-03-11cancelled 2022-04-01
Successor callsigns
Callsigns held now by people who previously held KT1TCM.
No current licensee on record previously held this callsign.