Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4JBR callsign genealogy
Currently held by Riley, John B
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 KY4JBR's current licensee, walking backwards.
- Riley, John BKYgranted 2007-09-24cancelled 2007-11-02
Successor callsigns
Callsigns held now by people who previously held KY4JBR.
- Riley, John BINgranted 2009-04-17cancelled 2009-09-11