Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RWU callsign genealogy
Currently held by Urbaytis, Ronald W
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 K9RWU's current licensee, walking backwards.
- Urbaytis, Ronald WILgranted 2004-02-19cancelled 2006-05-06
Successor callsigns
Callsigns held now by people who previously held K9RWU.
- Urbaytis, Ronald WKYgranted 2017-04-11