Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JWP callsign genealogy
Currently held by BARDENWERPER, HULBURT W
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 K4JWP's current licensee, walking backwards.
- PURPLE, JOHN WKYgranted 2019-04-22cancelled 2019-05-14
Successor callsigns
Callsigns held now by people who previously held K4JWP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JWP, oldest first.
- BARDENWERPER, HULBURT W KY2005-06-06 → cancelled 2017-08-31
- PURPLE, JOHN W KY2019-05-14 active