Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1JAM callsign genealogy
Currently held by LYON, DON 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 KC1JAM's current licensee, walking backwards.
- LYON, DON RMEgranted 2008-01-29cancelled 2018-02-16
Successor callsigns
Callsigns held now by people who previously held KC1JAM.
No current licensee on record previously held this callsign.