Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS4PX callsign genealogy
Currently held by WILLIAMS, NANCY L
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 KS4PX's current licensee, walking backwards.
- KE4HRFno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KS4PX.
- WILLIAMS, NANCY LTNgranted 2010-01-08cancelled 2022-02-16