Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0WB callsign genealogy
Currently held by Olson II, Byron P
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 W0WB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W0WB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0WB, oldest first.
- JAMES, JOHN W MN2006-09-13 → cancelled 2018-12-11
- Olson II, Byron P SD2018-12-29 active