The Federal Communications Commission (FCC) has granted a total of 19 licenses and call signs in the category of Restricted Operator license in Germantown, 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 |
|---|---|---|
| RR00014436 | Calazans, Paulo M | 2003-10-10 |
| RR00032002 | NACHMIAS, OFER | 2005-10-05 |
| RR00034375 | Arsenault, Bethany V | 2006-01-31 |
| RR00039112 | McClure, Patrick J | 2006-08-05 |
| RR00053062 | SIBLESZ, ALEJANDRO H | 2007-10-12 |
| RR00054935 | Brooking, Mathew P | 2007-12-14 |
| RR00067715 | Maranghides, Alexander | 2009-10-17 |
| RR00074673 | Nepozitek, Petr | 2010-11-16 |
| RR00110108 | King, Alexander D | 2015-03-03 |
| RR00111331 | Wilk, Philip | 2015-04-17 |
| RR00116175 | Hannum, Paul F | 2015-10-29 |
| RR00118341 | Garcia, Marco A | 2016-01-27 |
| RR00121837 | Querino, Rafael G | 2016-05-26 |
| RR00142440 | Jacob, Arthur F | 2018-04-07 |
| RR00155479 | Sirbu, Mihai G | 2019-04-20 |
| RR00160907 | Siu, Kieran T | 2019-09-17 |
| RR00165827 | Kan, Vie | 2020-02-05 |
| RR00171595 | Keane, Matthew B | 2020-12-23 |
| RR00199505 | Batarina, Mark | 2022-11-22 |
