Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4RVI callsign genealogy
Currently held by HAMILTON, ROBERT 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 KJ4RVI's current licensee, walking backwards.
- Jarvi, Evan MVAgranted 2022-02-08cancelled 2022-03-26
Successor callsigns
Callsigns held now by people who previously held KJ4RVI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ4RVI, oldest first.
- HAMILTON, ROBERT S GA2010-01-27 → cancelled 2022-01-28
- Jarvi, Evan M VA2022-03-26 active