Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4JRL callsign genealogy
Currently held by LYONS, JASON R
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 KA4JRL's current licensee, walking backwards.
- LYONS, JASON RNCgranted 2009-08-10cancelled 2009-08-29
Successor callsigns
Callsigns held now by people who previously held KA4JRL.
- DURHAM, WILLIAM MVAgranted 2020-06-09