Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4YRN callsign genealogy
Currently held by WALLACE JR, WILLIAM C
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 KC4YRN's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC4YRN.
- WALLACE JR, WILLIAM CVAgranted 2020-09-22