Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6MMI callsign genealogy
Currently held by Lyons, Jeffrey M
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 KO6MMI's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KO6MMI.
- Lyons, Jeffrey MCAgranted 2026-02-18cancelled 2026-04-11