Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS4JPW callsign genealogy
Currently held by Williams, Jason 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 KS4JPW's current licensee, walking backwards.
- Williams, Jason PVAgranted 2019-02-19cancelled 2019-03-12
Successor callsigns
Callsigns held now by people who previously held KS4JPW.
No current licensee on record previously held this callsign.