Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9WP callsign genealogy
Currently held by PAYNE, WILLIAM 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 K9WP's current licensee, walking backwards.
- DONNELLY, JOSEPH JCTgranted 2017-04-24cancelled 2022-09-17
Successor callsigns
Callsigns held now by people who previously held K9WP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9WP, oldest first.
- PAYNE, WILLIAM D IN2010-10-01 → cancelled 2022-08-30
- DONNELLY, JOSEPH J CT2022-09-17 active