Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9OEB callsign genealogy
Currently held by CHOATE, FREDERICK J
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 W9OEB's current licensee, walking backwards.
- Baysinger, Oliver EWIgranted 2019-04-30cancelled 2020-01-24
Successor callsigns
Callsigns held now by people who previously held W9OEB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9OEB, oldest first.
- CHOATE, FREDERICK J IL2003-07-30 → cancelled 2015-07-31
- Baysinger, Oliver E WI2020-01-24 active