Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BLU callsign genealogy
Currently held by Pabst, Wendell
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 K7BLU's current licensee, walking backwards.
- Pabst, WendellAZgranted 2026-04-30cancelled 2026-05-19
Successor callsigns
Callsigns held now by people who previously held K7BLU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7BLU, oldest first.
- UNGRICHT, BARBARA L UT2000-07-22 → cancelled 2012-07-24
- Henneman, Randy D AZ2013-09-27 → cancelled 2025-09-30
- Pabst, Wendell AZ2026-05-19 active