Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4AS callsign genealogy
Currently held by Guthrie III, John T
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 KY4AS'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 KY4AS.
- Guthrie III, John TALgranted 2020-10-06cancelled 2023-02-28