Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4FWO callsign genealogy
Currently held by Ison, Anthony G
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 KJ4FWO's current licensee, walking backwards.
- Ison, Anthony GFLgranted 2006-06-21cancelled 2008-08-11
Successor callsigns
Callsigns held now by people who previously held KJ4FWO.
No current licensee on record previously held this callsign.