Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4HIO callsign genealogy
Currently held by SHELBY AMATEUR RADIO CLUB INC
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 KJ4HIO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ4HIO.
- W4PZHactiveSHELBY AMATEUR RADIO CLUB INCNCgranted 2018-12-18