Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0YGU callsign genealogy
Currently held by Sawyer, Collin M
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 KC0YGU'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 KC0YGU.
- Sawyer, Collin MIAgranted 2017-08-01