The Federal Communications Commission (FCC) has granted a total of 13 licenses and call signs in the category of Vanity license in Gambrills, 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 |
|---|---|---|
| K3DMN | McHenry, Darius T | 2012-02-10 |
| K3FFT | THOMPSON JR, FINTON F | 2020-03-04 |
| KC3STP | Parides, Steven A | 2021-12-14 |
| KG0RMS | Gormley, Mark | 2014-06-06 |
| KR3MCP | Briggs, Richard D | 2016-08-02 |
| KX3TL | Lepley, Thomas A | 2017-12-28 |
| N3BAL | LEPLEY, BRUCE A | 2017-01-31 |
| W2RPM | Mencik, Robert | 2020-12-22 |
| W3CLG | Grimm, Christopher L | 2022-03-04 |
| W3DCN | Bruno, Nathan A | 2019-06-07 |
| W3KJT | MEAGHER, JOSEPH J | 2017-11-07 |
| W3RUM | LEVINE, ROBERT D | 2018-02-02 |
| W7CLG | Grimm, Christopher L | 2022-02-12 |
