Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0YAM callsign genealogy
Currently held by CF RADIO II
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 KC0YAM'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 KC0YAM.
- W0CKWactiveCF RADIO IICOgranted 2016-05-17