Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4JCH callsign genealogy
Currently held by HARMON, JOHN C
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 N4JCH's current licensee, walking backwards.
- HARMON, JOHN CGAgranted 1999-05-05cancelled 2007-06-26
Successor callsigns
Callsigns held now by people who previously held N4JCH.
No current licensee on record previously held this callsign.