Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JPC callsign genealogy
Currently held by Ricchiuti, Robert
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 K4JPC's current licensee, walking backwards.
- Crowell, Justin PKYgranted 2014-02-18cancelled 2014-03-21
Successor callsigns
Callsigns held now by people who previously held K4JPC.
- Ricchiuti, RobertGAgranted 2021-01-11
All historical holders
Every license row we've seen with the callsign K4JPC, oldest first.
- Ricchiuti, Robert GA2007-02-13 → cancelled 2011-04-01
- Crowell, Justin P KY2024-01-30 active