Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4JKW callsign genealogy
Currently held by FOX, J BERNARD
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 W4JKW's current licensee, walking backwards.
- KUCZEK, JOHN JVAgranted 2015-02-17cancelled 2015-03-07
Successor callsigns
Callsigns held now by people who previously held W4JKW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4JKW, oldest first.
- FOX, J BERNARD AR1996-09-24 → cancelled 2008-09-25
- KUCZEK, JOHN J OH2024-12-11 active