Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CTR callsign genealogy
Currently held by Mason, Tim 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 K7CTR's current licensee, walking backwards.
- Mason, Timothy JWAgranted 2007-01-16cancelled 2007-04-27
Successor callsigns
Callsigns held now by people who previously held K7CTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7CTR, oldest first.
- BOYER, WALTER B WA2004-03-20 → cancelled 2005-03-09
- Mason, Tim J KY2017-01-31 active