Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6MDJ callsign genealogy
Currently held by Dorado, Mike
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 KO6MDJ's current licensee, walking backwards.
- Dorado, MikeCAgranted 2024-03-05cancelled 2024-03-23
Successor callsigns
Callsigns held now by people who previously held KO6MDJ.
No current licensee on record previously held this callsign.