Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WX9JPW callsign genealogy
Currently held by Williamson, Jonathan P
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 WX9JPW's current licensee, walking backwards.
- Williamson, Jonathan PWIgranted 2014-01-06cancelled 2014-01-24
Successor callsigns
Callsigns held now by people who previously held WX9JPW.
No current licensee on record previously held this callsign.