Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0YWX callsign genealogy
Currently held by FRAZEE, RILEY D
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 KC0YWX's current licensee, walking backwards.
- FRAZEE, RILEY DCOgranted 2002-04-16cancelled 2006-11-14
Successor callsigns
Callsigns held now by people who previously held KC0YWX.
No current licensee on record previously held this callsign.