Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO7MRM callsign genealogy
Currently held by Manske, Micheal R
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 KO7MRM's current licensee, walking backwards.
- Manske, Micheal RWIgranted 2016-03-23cancelled 2021-02-17
Successor callsigns
Callsigns held now by people who previously held KO7MRM.
No current licensee on record previously held this callsign.