The Federal Communications Commission (FCC) has granted a total of 149 licenses and call signs in the category of Restricted Operator license in Baltimore, 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 |
|---|---|---|
| RR00110693 | Knobloch, Eric D | 2015-03-24 |
| RR00111154 | Kool, William J | 2015-04-10 |
| RR00112678 | Crawford, Reagan M | 2015-06-12 |
| RR00114826 | Hughes, Andrew G | 2015-09-12 |
| RR00115073 | Mc|Leod, John I | 2015-09-23 |
| RR00116919 | Lowell, Joshua D | 2015-12-01 |
| RR00120079 | Taylor, Bryan E | 2016-03-29 |
| RR00120593 | Wong, Alexander S | 2016-04-14 |
| RR00121306 | Bernoni, Enrico S | 2016-05-10 |
| RR00121662 | Boyer, Robert C | 2016-05-20 |
| RR00122898 | Charnowitz, David | 2016-07-06 |
| RR00123282 | Stinchcomb, Joseph L | 2016-07-20 |
| RR00124735 | Drake, Daniel R | 2016-09-13 |
| RR00127149 | Lappalainen, Roy | 2016-12-07 |
| RR00128466 | Waldschmidt, Jeremy B | 2017-01-26 |
| RR00129989 | Santana-Mieres, Jose R | 2017-03-14 |
| RR00130296 | Cutrone 656, James R | 2017-03-23 |
| RR00132142 | Mauger, Matthew W | 2017-05-19 |
| RR00138647 | Boothby, Richard | 2017-12-15 |
| RR00140424 | Costa, Demian | 2018-02-08 |
| RR00151655 | Williamson, Augustus E | 2019-01-31 |
| RR00151724 | Davis, Alisya | 2019-02-01 |
| RR00151831 | Todorov, Miroslav V | 2019-02-02 |
| RR00152943 | Dauses, Ryan M | 2019-02-20 |
| RR00152946 | Sauerwald, Todd M | 2019-02-20 |
| RR00155913 | FERREIRA, JORDANNA S | 2019-05-02 |
| RR00156718 | Hope, Nicholas L | 2019-05-22 |
| RR00158356 | Duffy, Stephen | 2019-07-09 |
| RR00158450 | Acton, Gregory F | 2019-07-10 |
| RR00160284 | Lepich Jr, Theodore W | 2019-08-30 |
| RR00163538 | Morales, Willis G | 2019-12-03 |
| RR00167877 | McLean, Chelsea B | 2020-04-10 |
| RR00168632 | Gorrell, Robert A | 2020-06-09 |
| RR00170249 | Patel, Mihir V | 2020-09-25 |
| RR00180096 | Vegh, Gershon S | 2021-09-14 |
| RR00180716 | Matroniano, Christopher M | 2021-09-29 |
| RR00185451 | Dusk, Zaki C | 2022-02-04 |
| RR00185524 | Henderson, Travis | 2022-02-04 |
| RR00187692 | Charaz, Shlomo | 2022-03-19 |
| RR00188002 | Williams, Meaghan | 2022-03-26 |
| RR00188608 | Rexing, Joseph M | 2022-04-09 |
| RR00190863 | Allis, Kevin | 2022-05-25 |
| RR00191130 | Williams, Hunter S | 2022-06-01 |
| RR00194111 | Waters, Peter M | 2022-08-02 |
| RR00196315 | Breeden-Bethea, Sheryl D | 2022-09-17 |
| RR00198127 | Fazio, Jacob G | 2022-10-25 |
| RR00199253 | Seltzer, Colin R | 2022-11-15 |
| RR00202901 | Bisacre, David M | 2023-02-04 |
| RR00206309 | Chambers, Justin | 2023-04-11 |
