Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7MB callsign genealogy
Currently held by Barnes, Michael J
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 AD7MB's current licensee, walking backwards.
- Barnes, Michael JCAgranted 2003-04-01cancelled 2004-12-31
Successor callsigns
Callsigns held now by people who previously held AD7MB.
- Barnes, MikeCAgranted 2020-12-15