Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4FF callsign genealogy
Currently held by SAMUELSON, TODD J
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 KY4FF's current licensee, walking backwards.
- SAMUELSON, TODD JKYgranted 2015-12-22cancelled 2019-03-26
Successor callsigns
Callsigns held now by people who previously held KY4FF.
No current licensee on record previously held this callsign.