Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3RMO callsign genealogy
Currently held by Olson, Richard M
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 K3RMO's current licensee, walking backwards.
- Olson, Richard MMDgranted 2016-08-23cancelled 2017-03-17
Successor callsigns
Callsigns held now by people who previously held K3RMO.
No current licensee on record previously held this callsign.