Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4IGM callsign genealogy
Currently held by Denuna, Ronaldo Q
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 KJ4IGM's current licensee, walking backwards.
- Denuna, Ronald QNCgranted 2005-10-14cancelled 2008-12-04
Successor callsigns
Callsigns held now by people who previously held KJ4IGM.
No current licensee on record previously held this callsign.