Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4JW callsign genealogy
Currently held by SCHULTZ, KARL
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 KK4JW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KK4JW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK4JW, oldest first.
- SCHULTZ, KARL FL1998-01-30 → cancelled 2001-03-31
- Weidmann, Juerg KY2015-05-27 → cancelled 2018-07-26
- Wesley, Joshua N KY2020-10-31 active