Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4EOZ callsign genealogy
Currently held by HILL, JAMES 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 W4EOZ's current licensee, walking backwards.
- HILL, JAMES ESCgranted 1997-06-20cancelled 2002-08-09
Successor callsigns
Callsigns held now by people who previously held W4EOZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4EOZ, oldest first.
- LYON, JAMES F SC1990-01-30 → cancelled 2002-03-07
- HILL, JAMES E SC2023-02-23 active