Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0RIO callsign genealogy
Currently held by COOK, GALEN 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 W0RIO's current licensee, walking backwards.
- COOK, GALEN FCOgranted 2016-05-06cancelled 2019-05-21
Successor callsigns
Callsigns held now by people who previously held W0RIO.
- WAGNER, STUART RCAgranted 1999-11-20cancelled 2005-05-13
All historical holders
Every license row we've seen with the callsign W0RIO, oldest first.
- WAGNER, STUART R MA1994-11-22 → cancelled 1999-11-20
- COOK, GALEN F CO2019-05-21 active