Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4JRH callsign genealogy
Currently held by Hare, Joseph 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 KC4JRH's current licensee, walking backwards.
- Hare, Joseph RFLgranted 2018-09-05cancelled 2019-10-29
Successor callsigns
Callsigns held now by people who previously held KC4JRH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4JRH, oldest first.
- OBARA, JOHN FL1989-03-28 → cancelled 2001-03-29
- Hare, Joseph R FL2019-10-29 active