Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY0GBZ callsign genealogy
Currently held by McMahon, Barry M
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 KY0GBZ's current licensee, walking backwards.
- McMahon, Barry MMNgranted 2013-12-30cancelled 2016-08-02
Successor callsigns
Callsigns held now by people who previously held KY0GBZ.
No current licensee on record previously held this callsign.