Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0JMM callsign genealogy
Currently held by ST LOUIS COUNTY RADIO AMATEURS
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 KC0JMM'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 KC0JMM.
- N0EOCactiveST LOUIS COUNTY RADIO AMATEURSMNgranted 2021-02-02