Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MRO callsign genealogy
Currently held by OKERN, MARK 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 W0MRO's current licensee, walking backwards.
- OKERN, MARK RMNgranted 2018-08-07cancelled 2018-08-31
Successor callsigns
Callsigns held now by people who previously held W0MRO.
No current licensee on record previously held this callsign.