Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K6ONO callsign genealogy
Currently held by THOMAS, JOHN 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 K6ONO's current licensee, walking backwards.
- BRUDI, WILLIAM HCAgranted 2009-12-02cancelled 2012-12-21
- KA9HTMno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K6ONO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6ONO, oldest first.
- THOMAS, JOHN K NV1998-06-09 → cancelled 2010-06-10
- BRUDI, WILLIAM H CA2012-12-21 → cancelled 2024-12-24