Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4AXG callsign genealogy
Currently held by OBrien Jr, Kevin F
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 KK4AXG's current licensee, walking backwards.
- OBrien Jr, Kevin FGAgranted 2010-04-12cancelled 2011-03-14
Successor callsigns
Callsigns held now by people who previously held KK4AXG.
No current licensee on record previously held this callsign.