Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4XSC callsign genealogy
Currently held by Frazier Peak Amateur Radio Club
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 W4XSC's current licensee, walking backwards.
- KJ6ZEPcancelledFrazier Peak Amateur Radio ClubCAgranted 2012-08-08cancelled 2012-08-28
Successor callsigns
Callsigns held now by people who previously held W4XSC.
No current licensee on record previously held this callsign.