Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4EYO callsign genealogy
Currently held by MOORE, HOWARD J
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 K4EYO's current licensee, walking backwards.
- KIRSCH, JEFFREY KGAgranted 2001-09-18cancelled 2010-12-11
Successor callsigns
Callsigns held now by people who previously held K4EYO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4EYO, oldest first.
- MOORE, HOWARD J FL1996-06-18 → cancelled 2008-06-19
- KIRSCH, JEFFREY K NC2020-10-14 active