Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS4BTO callsign genealogy
Currently held by Farley, Jason A
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 KS4BTO's current licensee, walking backwards.
- Farley, Jason ATNgranted 2017-03-15cancelled 2017-04-04
Successor callsigns
Callsigns held now by people who previously held KS4BTO.
No current licensee on record previously held this callsign.