The Federal Communications Commission (FCC) has granted a total of 17 licenses and call signs in the category of Ship Compulsory Equipped license in Antioch, 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 |
|---|---|---|
| WDD9933 | Vortex Marine Construction, Inc. | 2007-10-16 |
| WDD9935 | Vortex Marine Construction, Inc. | 2007-10-16 |
| WDD9936 | Vortex Marine Construction, Inc. | 2007-10-16 |
| WDD9937 | Vortex Marine Construction, Inc. | 2007-10-16 |
| WDD9938 | Vortex Marine Construction, Inc. | 2007-10-16 |
| WDD9939 | Vortex Marine Construction, Inc. | 2007-10-16 |
| WDD9940 | Vortex Marine Construction, Inc. | 2007-10-16 |
| WDF2753 | Vortex Marine Construction, Inc. | 2009-11-14 |
| WDH2093 | Vortex Marine Construction, Inc. | 2013-11-02 |
| WDJ3463 | Vortex Marine Construction, Inc. | 2017-01-12 |
| WDL7495 | Vortex Marine Construction, Inc. | 2020-09-02 |
| WDL7496 | Vortex Marine Construction, Inc. | 2020-09-02 |
| WDL7497 | Vortex Marine Construction, Inc. | 2020-09-02 |
| WDL7499 | Vortex Marine Construction, Inc. | 2020-09-02 |
| WDL7500 | Vortex Marine Construction, Inc. | 2020-09-02 |
| WDL7502 | Vortex Marine Construction, Inc. | 2020-09-02 |
| WDL7504 | Vortex Marine Construction, Inc. | 2020-09-02 |
