Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9OO callsign genealogy
Currently held by BUDZ, DENNIS J
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 K9OO's current licensee, walking backwards.
- Silvers, William AWIgranted 2016-03-28cancelled 2017-02-10
Successor callsigns
Callsigns held now by people who previously held K9OO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9OO, oldest first.
- BUDZ, DENNIS J IL2006-08-08 → cancelled 2015-01-21
- Silvers, William A WI2017-02-10 active