Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4FK callsign genealogy
Currently held by Todd, Douglas 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 KY4FK's current licensee, walking backwards.
- Todd, Douglas MALgranted 2020-05-04cancelled 2021-03-08
Successor callsigns
Callsigns held now by people who previously held KY4FK.
No current licensee on record previously held this callsign.