Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA7BC callsign genealogy
Currently held by BRIENZ, BLAKE
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 AA7BC's current licensee, walking backwards.
- SHAPIRO, BLAKEUTgranted 2004-10-21cancelled 2013-03-15
Successor callsigns
Callsigns held now by people who previously held AA7BC.
- WITTMAACK, CHARLES SAZgranted 2013-10-31cancelled 2016-09-13