Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9BO callsign genealogy
Currently held by Ores, Robert C
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 W9BO's current licensee, walking backwards.
- Ores, Robert CILgranted 1997-08-22cancelled 2002-02-28
Successor callsigns
Callsigns held now by people who previously held W9BO.
- UOTOME, MOTOAKIDCgranted 2019-07-30
All historical holders
Every license row we've seen with the callsign W9BO, oldest first.
- UOTOME, MOTOAKI HI1999-01-25 → cancelled 1999-10-22
- Ores, Robert C IL2021-12-09 active