Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4EOC callsign genealogy
Currently held by MADISON CTY AMATEUR RADIO EMERGENCY SERVICE
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 KM4EOC's current licensee, walking backwards.
- KG4AEUcancelledMADISON CTY AMATEUR RADIO EMERGENCY SERVICEKYgranted 2008-12-01cancelled 2012-01-31
Successor callsigns
Callsigns held now by people who previously held KM4EOC.
No current licensee on record previously held this callsign.