Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5MKO callsign genealogy
Currently held by OZBORN, MICHAEL K
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 W5MKO's current licensee, walking backwards.
- OZBORN, MICHAEL KMSgranted 2006-01-24cancelled 2008-03-11
Successor callsigns
Callsigns held now by people who previously held W5MKO.
- OZBORN, MICHAEL KMSgranted 2020-07-31