The Federal Communications Commission (FCC) has granted a total of 11 licenses and call signs in the category of Vanity license in Mechanicsville, 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 |
|---|---|---|
| AL3X | West, Alexander W | 2015-06-20 |
| N0PXA | NELSON, LAWRENCE R | 2018-05-05 |
| N1XRH | Gajarsa, James A | 2018-06-22 |
| N3NTX | Hopkins, Jason C | 2016-04-19 |
| N3PX | SOUTHERN PATUXENT AMATEUR RADIO CLUB | 2016-09-10 |
| W1JD | DELANCY, JEAN A | 2021-04-06 |
| W3MJZ | Zabko, Michael J | 2015-01-14 |
| W3OST | Surdacki, Richard M | 2022-05-10 |
| W3SLH | HAGGARD, STEPHEN L | 2023-02-03 |
| W3SMD | Southern Maryland Digital Group | 2013-10-31 |
| WX3SMD | SMD APRS | 2020-10-07 |
