The Federal Communications Commission (FCC) has granted a total of 29 licenses and call signs in the category of Restricted Operator license in Towson, 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 |
|---|---|---|
| RR00006870 | Johnson-Kerner, Esther A | 2002-06-26 |
| RR00020064 | DeMaso, Daniel F | 2004-06-09 |
| RR00024481 | Bachman, Kim M | 2004-12-10 |
| RR00026470 | Noe, Frank U | 2005-03-09 |
| RR00027759 | Krieger, Gerd M | 2005-04-26 |
| RR00031134 | Everson, David F | 2005-08-26 |
| RR00034797 | Schultz, David | 2006-02-14 |
| RR00043319 | pidgeon, francis | 2006-12-27 |
| RR00052243 | Behler Jr, Daniel E | 2007-09-14 |
| RR00053756 | Mercer, Paul | 2007-11-02 |
| RR00074313 | Jenkins, Trevi G | 2010-10-27 |
| RR00085545 | Tenne, Timothy T | 2012-03-22 |
| RR00090453 | Hauptman, Marc I | 2012-11-21 |
| RR00090999 | Ganesh, David A | 2012-12-05 |
| RR00100195 | Hoffman, Jason V | 2014-02-01 |
| RR00102435 | Hupp, Michael F | 2014-04-29 |
| RR00106404 | Krisanda, Thomas J | 2014-09-20 |
| RR00106880 | Leggett, Stephen | 2014-10-15 |
| RR00112634 | McBride, Tami C | 2015-06-10 |
| RR00135280 | Mathews, Tim | 2017-08-29 |
| RR00147258 | Shah 541, August c | 2018-08-23 |
| RR00151194 | Hueter, William | 2018-12-20 |
| RR00168145 | Walter, Ryan M | 2020-05-01 |
| RR00172111 | ALBARRAN-TORRES, RODRIGO A | 2021-01-22 |
| RR00172730 | Cooper, Brett A | 2021-02-18 |
| RR00175252 | Creeron, Stephen P | 2021-05-11 |
| RR00178099 | Valenzuela, Miguel Felipe H | 2021-07-27 |
| RR00187065 | Garcia Jr, Errigardo | 2022-03-04 |
| RR00196518 | Li, Shi Pui | 2022-09-21 |
