The Federal Communications Commission (FCC) has granted a total of 66 licenses and call signs in the category of Amateur 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 |
|---|---|---|
| AA3AV | TEHANSKY, EUGENE S | 2022-09-09 |
| AA3XG | Myers, John R | 2014-12-31 |
| K3QBH | Reichard, James W | 2023-04-04 |
| KA3WAT | HOSIER, WILLIAM D | 2014-06-02 |
| KA3ZPA | STEVENSON, ALLEN T | 2011-11-15 |
| KA6DLN | Landmann, Michael A | 2018-04-03 |
| KB1YZ | FOREST, JAMES N | 2018-10-16 |
| KB3AZX | HARNED, ROBERT L | 2014-01-08 |
| KB3DEU | FOREST, JULIA B | 2018-10-16 |
| KB3JVB | King, Walter C | 2013-03-08 |
| KB3KYT | Schaff, Josef B | 2014-02-12 |
| KB3MDH | Risso, Eugene R | 2005-04-11 |
| | ||
| KB3MIZ | Dye, Michael A | 2015-04-14 |
| KB3NTA | Gore, Stephen | 2016-05-24 |
| KB3NTB | Reichard, Denise L | 2016-04-27 |
| KB3NUF | COPSEY SR, MICHAEL B | 2016-04-23 |
| KB3TSH | MULLINS, RICKY L | 2009-12-07 |
| KB3USF | MAGUIRE II, BERNARD J | 2021-09-13 |
| KB3WIA | LANDMANN, ELIZABETH M | 2021-05-21 |
| KB3WJV | Zabko, Joseph D | 2011-08-17 |
| KB3WUM | ESTEVEZ, JACK | 2011-12-13 |
| KC0JHR | BUCKINGHAM, MICHAEL K | 2021-02-04 |
| KC0TWX | Itschner, Stephen A | 2014-12-05 |
| KC3AEG | WILSON, QUAYDE G | 2013-03-15 |
| KC3AEH | CALLIHAN, MICHAEL E | 2013-03-15 |
| KC3CEJ | Bowie, Clifton E | 2014-03-03 |
| KC3DLM | STRATTON, JOHN F | 2014-09-15 |
| KC3EEQ | Sien, David P | 2015-01-20 |
| KC3FWH | Kerby, Faith | 2015-11-04 |
| KC3FZD | Bowie, Matthew C | 2015-11-19 |
| KC3HHC | BLIZEK, ROBERT J | 2016-06-14 |
| KC3JAT | Miller, Jeffrey T | 2017-04-21 |
| KC3LDT | Huff Jr, Richard A | 2018-04-09 |
| KC3LOR | Gajarsa, James A | 2018-06-04 |
| KC3MXH | DeLoggio III, Ted J | 2019-02-19 |
| KC3REP | Owens, Joseph W | 2021-02-10 |
| KC3ROM | Garner, Kenneth J | 2021-03-17 |
| KC3TBE | Surdacki, Richard M | 2021-11-09 |
| KC3VAE | White, Benjamin L | 2022-10-22 |
| KC8IYN | MATHENY, PATRICK B | 2017-09-19 |
| KF5UNL | Davis SR, Lester G | 2023-02-04 |
| KH6JGA | Adams, Neal E | 2017-08-11 |
| KO4HCS | Long, Jonathan | 2020-09-09 |
| N3HNO | SZOT JR, WALTER S | 2009-03-04 |
| N3KQW | TEHANSKY, EUGENE M J | 2011-09-07 |
| N3KXB | HASEL JR, ALFRED L | 2021-10-14 |
| N3MPI | JONES, STEPHAN H | 2022-04-19 |
| N3MYI | TEHANSKY, COLLEEN J | 2022-09-09 |
| N3ORQ | ANGEL, STEVEN E | 2013-04-27 |
| N3RFM | ISENBERG JR, WILLIAM R | 2013-10-31 |
| N3RFN | BREITMAIER, JOHN R | 2003-09-30 |
| N3TNE | FRANC, ERIC S | 2014-10-28 |
| N3UAO | Koncen, Raymond E | 2004-09-15 |
| N3VIO | ORTH IV, WILLIAM J | 2015-05-15 |
| N3VSG | ORTH, NANCY L | 2015-05-15 |
| N3WNK | ISENBERG, DONNA K | 2015-11-24 |
| N3XOH | HEMPLING, MICHAEL D | 2016-03-28 |
| N3XZK | SAUNDERS, RUDOLPH R | 2016-07-13 |
| N3YYF | WARMAN, JAMES P | 2017-02-07 |
| N3ZZO | GROFT, CHRISTOPHER C | 2018-02-20 |
| N9SPW | SEARS, ERIN L | 2013-01-26 |
| W3DBA | MYRICK, DAVID R | 2004-07-01 |
| W3RGY | BROWN, THOMAS F | 2005-11-23 |
| WA3EQL | FARMER SR, DONALD W | 2018-06-20 |
| WB3AEQ | ABERNETHY, WAYNE M | 2006-09-22 |
| WB3CWA | BURROUGHS, MARK E | 2019-03-20 |
