Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7BLA callsign genealogy
Currently held by Kemper, Benjamin E
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 K7BLA's current licensee, walking backwards.
- Kemper, Benjamin EWAgranted 2020-01-23cancelled 2020-02-11
Successor callsigns
Callsigns held now by people who previously held K7BLA.
- Astle, Brian LWAgranted 2018-01-23
All historical holders
Every license row we've seen with the callsign K7BLA, oldest first.
- Astle, Brian L WA2014-11-29 → cancelled 2018-01-23
- Kemper, Benjamin E TX2020-02-11 active