Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7YYM callsign genealogy
Currently held by TONTO AMATEUR RADIO ASSN INC
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 KC7YYM'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 KC7YYM.
- N7TARactiveTONTO AMATEUR RADIO ASSOCIATION INCAZgranted 2022-09-24