Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7UB callsign genealogy
Currently held by HAMNER, MICHAEL C
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 AB7UB's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AB7UB.
- HAMNER, MICHAEL CUTgranted 2019-02-08cancelled 2021-09-10