
The Federal Communications Commission (FCC) has granted a total of 12 licenses and call signs in the category of Ship Compulsory Equipped license in Mercer Island, Washington. 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 | 
|---|---|---|
| WCX5366 | MASON, ROBERT B | 2007-03-26 | 
| WCX6773 | HEMINGWAY, RALPH E AND KAY A | 2017-06-06 | 
| WDD5339 | Chatham Strait Yachts | 2016-09-28 | 
| WDD6688 | Norseman Maritime Charters LLC | 2017-03-24 | 
| WDE9805 | Full Throttle Holdings, LLC | 2009-08-08 | 
| WDF9668 | Sound San Juan Services | 2011-10-22 | 
| WDI8640 | Sea Rose LLC | 2016-06-15 | 
| WDJ3238 | Ellefsen, Frank C | 2016-12-22 | 
| WDL2780 | White Rabbit Marine, LLC | 2019-10-04 | 
| WDM3049 | Catherine Marie LLC | 2021-04-17 | 
| WDM9253 | LeClercq, Samuel D | 2022-04-19 | 
| WDN7510 | Human, Lee B | 2023-04-19 |