Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7BA callsign genealogy
Currently held by Bryan, Michael D
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 AD7BA's current licensee, walking backwards.
- Bryan, Michael DWAgranted 2001-03-12cancelled 2003-12-18
Successor callsigns
Callsigns held now by people who previously held AD7BA.
- Bryan, Michael DSDgranted 2021-07-31