The Federal Communications Commission (FCC) has granted a total of 8 licenses and call signs in the category of Ship Recreational or Voluntarily Equipped license in Castro Valley, California. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| WDG6077 | Lourenco, Paul J | 2012-11-10 |
| WDG7078 | Crocker III, Frederick G | 2013-02-23 |
| WDG7119 | Lowry, Mark E | 2022-12-13 |
| WDG8934 | Crump, Shawn B | 2013-07-10 |
| WDI7638 | Berge, Christian F | 2016-04-28 |
| WDK5227 | Spracklen, Jay A | 2018-10-19 |
| WDK5437 | MA Water Ventures | 2018-11-03 |
| WDM3945 | Crocker III, Frederick G | 2021-05-29 |
