Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7AZ callsign genealogy
Currently held by Brubaker, Roger K
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 KB7AZ's current licensee, walking backwards.
- FOSTER, CARL GAZgranted 2004-02-25cancelled 2010-02-06
Successor callsigns
Callsigns held now by people who previously held KB7AZ.
- Brubaker, Roger KVAgranted 2005-09-02cancelled 2014-01-10
All historical holders
Every license row we've seen with the callsign KB7AZ, oldest first.
- Brubaker, Roger K AZ2002-03-29 → cancelled 2005-09-02
- FOSTER, CARL G AZ2019-11-23 active