Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WK9P callsign genealogy
Currently held by HARBRIDGE, JEFFREY J
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 WK9P's current licensee, walking backwards.
- CHERRONE, TIMOTHY MINgranted 2012-10-16cancelled 2019-06-18
Successor callsigns
Callsigns held now by people who previously held WK9P.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WK9P, oldest first.
- HARBRIDGE, JEFFREY J WI1989-09-26 → cancelled 2001-09-27
- BRASFIELD, JIM M IL2007-05-30 → cancelled 2019-05-31
- CHERRONE, TIMOTHY M IN2019-06-18 active