The Federal Communications Commission (FCC) has granted a total of 14 licenses and call signs in the category of Restricted Operator license in Catonsville, 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 |
|---|---|---|
| RR00006622 | Alli Mr, John W | 2002-06-13 |
| RR00012496 | KILMON, RANDOLPH B | 2003-05-29 |
| RR00065001 | Burkett, Thomas J | 2009-04-14 |
| RR00111745 | Quackenbush, Nicholas | 2015-05-05 |
| RR00121528 | Cruchelow, John F | 2016-05-17 |
| RR00139173 | Tis 426, John E | 2018-01-04 |
| RR00140065 | Carroll, Thomas P | 2018-01-30 |
| RR00149526 | Mora Barillas, German A | 2018-10-30 |
| RR00155357 | Judkins, Thomas G | 2019-04-17 |
| RR00160324 | Thomey, Mark | 2019-08-31 |
| RR00170353 | Wilton, Cody J | 2020-10-02 |
| RR00198946 | Porcarelli, Sofia M | 2022-11-08 |
| RR00199331 | Sproat, Matthew A | 2022-11-17 |
| RR00201117 | Matthews, David | 2023-01-04 |
