Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE0ZYG callsign genealogy
Currently held by Olsen, Ryan 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 KE0ZYG's current licensee, walking backwards.
- Olsen, Ryan MKSgranted 2015-05-15cancelled 2020-04-07
Successor callsigns
Callsigns held now by people who previously held KE0ZYG.
- Olsen, Ryan MKSgranted 2026-03-07