Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4IJF callsign genealogy
Currently held by Alvey, Douglas E
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 KO4IJF's current licensee, walking backwards.
- Alvey, Douglas EKYgranted 2020-10-14cancelled 2020-10-14
Successor callsigns
Callsigns held now by people who previously held KO4IJF.
No current licensee on record previously held this callsign.