Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0OI callsign genealogy
Currently held by BROWN, WILLIAM F
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 W0OI's current licensee, walking backwards.
- GOLDEN, GREGORY EMOgranted 2002-09-18cancelled 2008-02-20
Successor callsigns
Callsigns held now by people who previously held W0OI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0OI, oldest first.
- BROWN, WILLIAM F KS1996-01-24 → cancelled 2008-01-25
- Golden, Greg E AZ2017-11-28 active