
The Federal Communications Commission (FCC) has granted a total of 15 licenses and call signs in the category of Ship Recreational or Voluntarily Equipped license in Columbia, Maryland. 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 |
|---|---|---|
| WCY4835 | HOFMANN, RONALD M | 2008-09-05 |
| WCZ6619 | ROSENTHAL, SCOTT B | 2019-12-06 |
| WDA9355 | McCarthy, John J | 2012-05-23 |
| WDC3765 | Duffy, Stephen P | 2014-11-26 |
| WDD5289 | Zerhusen, Henry P | 2006-12-19 |
| WDE2205 | Porterfield, John R | 2007-11-07 |
| WDE7776 | Pennie, John | 2009-03-03 |
| WDG9178 | Winokur, Wayne R | 2013-07-30 |
| WDI6096 | Dunwiddie, Robert M | 2016-02-12 |
| WDJ3574 | Wilson Yachts, LLC | 2017-01-20 |
| WDJ5348 | Rosti, Kenneth | 2017-05-05 |
| WDK5082 | Frithsen, Jeffrey B | 2018-10-10 |
| WDL6974 | VanSickler, Michael | 2020-07-25 |
| WDL7580 | Joklik, Richard G | 2020-09-09 |
| WDN6862 | Ellis Jr, Robert J | 2023-03-21 |