The Federal Communications Commission (FCC) has granted a total of 78 licenses and call signs in the category of Restricted Operator license in Rockville, 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 |
|---|---|---|
| RL00000932 | Berrios, Luis I | 2002-12-11 |
| RL00015471 | bader, wael | 2019-11-08 |
| RL00016204 | Oranje, Dennis | 2020-12-19 |
| RR00000731 | Wagner, Gregory J | 1999-05-17 |
| RR00007934 | BUTCHER JR, EDWARD J | 2002-08-24 |
| RR00012898 | van Dam, Christiaan J | 2003-06-24 |
| RR00018241 | Hayes, Lance | 2004-04-06 |
| RR00024803 | GONZALEZ SR, FIDEL A | 2005-01-04 |
| RR00024819 | Elnigoumi, Mike | 2005-01-04 |
| RR00025530 | Pilch, Jozef P | 2005-02-01 |
| RR00029039 | Vaknin, Yair R | 2005-06-09 |
| RR00030415 | Lambou, Dionysos | 2005-07-28 |
| | ||
| RR00036624 | Trachewsky, Danielle L | 2006-04-20 |
| RR00045692 | Benslimane, Sofiane | 2007-03-08 |
| RR00046900 | Kultgen, Claire E | 2007-04-11 |
| RR00063272 | Habermeier, Karl F | 2008-12-31 |
| RR00065058 | Inkellis, Steven A | 2009-04-17 |
| RR00068450 | Winton, Gregory S | 2009-12-11 |
| RR00070295 | Walenz, Brian P | 2010-03-23 |
| RR00077011 | Hagen, Sarah D | 2011-03-10 |
| RR00077254 | Bell, Michael P | 2011-03-19 |
| RR00082447 | Whalen, Raymond J | 2011-10-18 |
| RR00083641 | Torres, Melissa | 2011-12-21 |
| RR00084473 | Chutman, Tomer | 2012-02-04 |
| RR00086462 | Garza Cantu, Daniel A | 2012-05-01 |
| RR00088867 | Hurvitz, Yaron | 2012-08-23 |
| RR00089176 | Thai, Thomas Q | 2012-09-07 |
| RR00089577 | Cifarelli, Arthur J | 2012-09-27 |
| RR00091129 | George, Scott D | 2012-12-08 |
| RR00091185 | Schwartz, Jeffery D | 2012-12-11 |
| RR00092554 | McManigle Jr, John E | 2013-02-06 |
| RR00093458 | Uren, Aykut | 2013-03-19 |
| RR00096294 | Tanenbaum, Grant L | 2013-08-06 |
| RR00103696 | Dyson, Patrick A | 2014-06-11 |
| RR00106259 | Beitins, Marks R | 2014-09-16 |
| RR00116689 | Salloom, Mary | 2015-11-18 |
| RR00122472 | gilon, guy | 2016-06-18 |
| RR00122578 | Kay 706, Stanley E | 2016-06-22 |
| RR00126789 | Beebe, James M | 2016-11-23 |
| RR00134343 | Garms, Lance | 2017-08-01 |
| RR00139054 | Shaw, Joanna E | 2017-12-30 |
| RR00141316 | Frank, John | 2018-03-07 |
| RR00142770 | Amidon, Michael C | 2018-04-17 |
| RR00143251 | Berman, Dennis L | 2018-05-02 |
| RR00144491 | gross, steven b | 2018-06-02 |
| RR00144502 | RABINOVICH, ROYE | 2018-06-02 |
| RR00146481 | Kaufman, Israel | 2018-08-03 |
| RR00150161 | Tammam, Hussein | 2018-11-16 |
| RR00150324 | Gardner, Virgil | 2018-11-22 |
| RR00151184 | Simon, Gev | 2018-12-19 |
| RR00152445 | Mor, Shmuel | 2019-02-08 |
| RR00160593 | Meyers, Seth J | 2019-09-07 |
| RR00161397 | Brosnan, David A | 2019-10-01 |
| RR00163580 | Johnson, Joseph M | 2019-12-03 |
| RR00165262 | Thakkar, Chandrashekhar J | 2020-01-24 |
| RR00166620 | Rubinstein, Shay | 2020-02-25 |
| RR00167821 | Villatoro, Jose E | 2020-04-07 |
| RR00168570 | Pixley II, Andrew | 2020-06-03 |
| RR00170130 | Hailu, Yohannes S | 2020-09-18 |
| RR00172256 | BERRIOS, LUIS I | 2021-01-29 |
| RR00172864 | Wondimagegnehu, Andenet M | 2021-02-24 |
| RR00173485 | lee-zucker 589, aaron M | 2021-03-17 |
| RR00174012 | BAR-ILAN, OHAD | 2021-04-06 |
| RR00174153 | Glick, Nati | 2021-04-09 |
| RR00174783 | Stowell, Sayre J | 2021-04-27 |
| RR00177059 | Brown, Kenneth N | 2021-06-29 |
| RR00177432 | Kass 802, Nicolas A | 2021-07-08 |
| RR00178110 | Koepsell, Matthew D | 2021-07-27 |
| RR00186341 | Yaari, Lior | 2022-02-17 |
| RR00188092 | MIZRAHI, YANIV | 2022-04-01 |
| RR00193399 | Molchadsky, Michael | 2022-07-19 |
| RR00194073 | Torres, Roberto H | 2022-08-02 |
| RR00196019 | Schwartz, Daniel R | 2022-09-13 |
| RR00198668 | Inman, Travis R | 2022-11-03 |
| RR00203783 | Prasad, Balaji | 2023-02-22 |
| RR00205008 | Emiru, Biniam B | 2023-03-15 |
| RR00206893 | Ben Harush, Daniel | 2023-04-22 |
| RR00207090 | Wang, Bryan S | 2023-04-27 |
