Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5JKP callsign genealogy
Currently held by VAN TREESE, BARRY A
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 K5JKP's current licensee, walking backwards.
- VAN TREESE, DEREK AOKgranted 2022-03-03cancelled 2022-03-29
Successor callsigns
Callsigns held now by people who previously held K5JKP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5JKP, oldest first.
- VAN TREESE, BARRY A OK1994-03-15 → cancelled 2006-03-16
- VAN TREESE, DEREK A OK2022-03-29 active