Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4KZO callsign genealogy
Currently held by Sutton, James B
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 W4KZO's current licensee, walking backwards.
- Sutton, James BNCgranted 2021-11-22cancelled 2021-12-10
Successor callsigns
Callsigns held now by people who previously held W4KZO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4KZO, oldest first.
- ABNEY, KENNETH L FL1996-01-31 → cancelled 2008-02-01
- Sutton, James B NC2021-12-10 active