Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KX6MRK callsign genealogy
Currently held by LYON, MARK D
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 KX6MRK's current licensee, walking backwards.
- LYON, MARK DCAgranted 2021-02-22cancelled 2021-04-06
Successor callsigns
Callsigns held now by people who previously held KX6MRK.
No current licensee on record previously held this callsign.