The Federal Communications Commission (FCC) has granted a total of 32 licenses and call signs in the category of Ship Recreational or Voluntarily Equipped license in Arnold, 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 |
|---|---|---|
| WCQ4412 | SOUCY, COLIN K | 2015-01-13 |
| WDA6665 | CAPTAIN CLYDE & SON INC | 2011-10-29 |
| WDD7984 | Probeck, Fred C | 2007-06-12 |
| WDD8043 | Gleaves, Mary E | 2007-06-13 |
| WDE2809 | Maranello Marine LLC | 2008-01-05 |
| WDE4760 | Wilson, Douglas R | 2008-05-20 |
| WDE5815 | Ellis, James F | 2008-08-06 |
| WDE5920 | Riley, Michael P | 2008-08-15 |
| WDF2378 | KnightsBlood LLC | 2009-10-14 |
| WDF4558 | Machinist, Eric J | 2010-05-20 |
| WDH2522 | Samonds Sails LLC | 2013-12-12 |
| WDH3128 | Wilson, Kirk S | 2014-02-04 |
| WDH3604 | Force, James W | 2014-03-08 |
| WDH4869 | Regenerative Systems LLC | 2014-05-20 |
| WDH5295 | Maliszewski, John R | 2014-06-10 |
| WDH5975 | Dalby, Philip H | 2014-07-22 |
| WDI3426 | Epstein, Michael S | 2015-08-13 |
| WDI5257 | PASIEKA 626, Robert E | 2015-12-15 |
| WDJ5003 | Quilliam, Kevin | 2017-04-19 |
| WDJ5110 | Marquez, Julian A | 2017-04-25 |
| WDJ7213 | Plavner, Victor | 2017-08-25 |
| WDJ7674 | Thompson, Michael W | 2017-10-06 |
| WDK2487 | White, Stuart P | 2018-05-02 |
| WDK8830 | Heffner Jr., Ruhl | 2019-06-06 |
| WDL2435 | King, David | 2019-09-07 |
| WDL2812 | Wesdyk, Russell | 2019-10-08 |
| WDL5582 | Zierhoffer, Gary E | 2020-04-28 |
| WDL8289 | Nicholson, John | 2020-10-28 |
| WDM4994 | Cook Jr, Charles A | 2021-07-24 |
| WDN3088 | Lime, Robert F | 2022-07-16 |
| WDN6912 | Tiedke, Keith C | 2023-03-22 |
| WDN7649 | Lime, Robert F | 2023-04-26 |
