Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BTC callsign genealogy
Currently held by Cullen, Brad
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 K7BTC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K7BTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7BTC, oldest first.
- Bates Amateur Radio Club WA2012-05-22 → cancelled 2024-05-23
- Cullen, Brad WA2024-07-27 active