Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7BTB callsign genealogy
Currently held by BERGSTEDT, BRYAN G
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 KC7BTB's current licensee, walking backwards.
- BISHOP, BRENT TWAgranted 2016-03-30cancelled 2016-04-26
Successor callsigns
Callsigns held now by people who previously held KC7BTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7BTB, oldest first.
- BERGSTEDT, BRYAN G WA2004-01-02 → cancelled 2016-03-30
- BISHOP, BRENT T WA2026-03-17 active