Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6UWB callsign genealogy
Currently held by Sawood, Mirsali
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 K6UWB's current licensee, walking backwards.
- Sawood, MirsaliCAgranted 2021-12-20cancelled 2023-01-31
Successor callsigns
Callsigns held now by people who previously held K6UWB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6UWB, oldest first.
- BARTHOLOMEW JR, HARVEY C CA2007-08-21 → cancelled 2019-11-20
- Sawood, Mirsali CA2023-01-31 active