Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8JSR callsign genealogy
Currently held by Riolo, Joseph S
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 K8JSR's current licensee, walking backwards.
- Riolo, Joseph SOHgranted 2016-03-16cancelled 2016-04-05
Successor callsigns
Callsigns held now by people who previously held K8JSR.
No current licensee on record previously held this callsign.