Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7TJC callsign genealogy
Currently held by Christensen, Trevor J
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 K7TJC's current licensee, walking backwards.
- CLERF, TYLER JWAgranted 2020-08-10cancelled 2021-09-21
Successor callsigns
Callsigns held now by people who previously held K7TJC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7TJC, oldest first.
- Christensen, Trevor J UT2007-07-20 → cancelled 2019-07-23
- CLERF, TYLER J WA2021-09-21 active