Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KO4MP callsign genealogy
Currently held by Bernth, Richard
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 KO4MP's current licensee, walking backwards.
- Bernth, RichardFLgranted 2021-03-23cancelled 2025-04-29
Successor callsigns
Callsigns held now by people who previously held KO4MP.
No current licensee on record previously held this callsign.