Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4JW callsign genealogy
Currently held by Wynn Jr, James D
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 KO4JW's current licensee, walking backwards.
- Wynn Jr, James DGAgranted 2021-06-28cancelled 2021-08-31
Successor callsigns
Callsigns held now by people who previously held KO4JW.
- HALLOCK, MAX DILgranted 2002-10-02cancelled 2014-12-30