Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4JXH callsign genealogy
Currently held by MANNON, BRIAN 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 KC4JXH's current licensee, walking backwards.
- MANNON, BRIAN SFLgranted 2025-12-09
Successor callsigns
Callsigns held now by people who previously held KC4JXH.