Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0JXM callsign genealogy
Currently held by Byram, Gregg 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 KC0JXM's current licensee, walking backwards.
- Byram, Gregg RMNgranted 1998-10-14cancelled 2001-02-27
Successor callsigns
Callsigns held now by people who previously held KC0JXM.
No current licensee on record previously held this callsign.