The Federal Communications Commission (FCC) has granted a total of 22 licenses and call signs in the category of Restricted Operator license in Davidsonville, 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 |
|---|---|---|
| RR00004019 | Richards Jr, James F | 2002-01-03 |
| RR00006035 | Rubin, Louis M | 2002-05-14 |
| RR00026895 | kilduff, sean p | 2005-03-24 |
| RR00033895 | Fosbrook, Christopher W | 2006-01-10 |
| RR00035696 | Wiedeman, David B | 2006-03-15 |
| RR00064137 | Mohler, Gisele M | 2009-02-18 |
| RR00085834 | Scott, Steven J | 2012-04-05 |
| RR00104048 | Schneider, Jeffrey A | 2014-06-25 |
| RR00106176 | Seeger, Eric J | 2014-09-11 |
| RR00121669 | Luzuriaga, Christian O | 2016-05-20 |
| RR00122693 | Haspert, Julian K | 2016-06-25 |
| RR00128017 | Needham, Robert E | 2017-01-12 |
| RR00128782 | Guest, Marc | 2017-02-07 |
| RR00138995 | Doughty, Paul S | 2017-12-28 |
| RR00142692 | D'Onofrio, William R | 2018-04-14 |
| RR00148312 | Grounds III, Preston W | 2018-09-25 |
| RR00156059 | D'Onofrio, Stephen P | 2019-05-04 |
| RR00160357 | Weinstein, Elon | 2019-08-31 |
| RR00161796 | D'Onofrio, Gregory M | 2019-10-10 |
| RR00169035 | Glanell, Steven W | 2020-07-07 |
| RR00203343 | Jug, Justin A | 2023-02-14 |
| RR00206562 | Luzuriaga, Christian | 2023-04-18 |
