Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3FX callsign genealogy
Currently held by Mayo, Johnathan 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 AB3FX's current licensee, walking backwards.
- Mayo, Johnathan DMDgranted 2006-06-29cancelled 2007-07-26
Successor callsigns
Callsigns held now by people who previously held AB3FX.
No current licensee on record previously held this callsign.