Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0OOD callsign genealogy
Currently held by Olson, Timothy M
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 W0OOD's current licensee, walking backwards.
- Olson, Timothy MCOgranted 2020-06-08cancelled 2020-06-30
Successor callsigns
Callsigns held now by people who previously held W0OOD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0OOD, oldest first.
- GAEBE, WILLIAM F ND1996-05-09 → cancelled 2008-05-10
- Olson, Timothy M CO2020-06-30 active