Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6OT callsign genealogy
Currently held by OAKLAND RADIO CLUB
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 W6OT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W6OT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6OT, oldest first.
- OAKLAND RADIO CLUB CA1994-07-26 → cancelled 2002-08-26
- Simmons, David A CA2024-08-23 active