Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4IWN callsign genealogy
Currently held by IRWIN AMATEUR RADIO CLUB
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 W4IWN's current licensee, walking backwards.
- KR4JGUcancelledIRWIN AMATEUR RADIO CLUBGAgranted 2026-01-30cancelled 2026-02-18
Successor callsigns
Callsigns held now by people who previously held W4IWN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4IWN, oldest first.
- WHERRELL, NEVIN D FL2005-04-28 → cancelled 2017-06-20
- IRWIN AMATEUR RADIO CLUB GA2026-02-18 active