The Federal Communications Commission (FCC) has granted a total of 64 licenses and call signs in the category of Amateur license in Leonardtown, 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 |
|---|---|---|
| AB3TU | CARLSON, DAVID J | 2015-10-06 |
| AC3EP | Hiller, Christopher A | 2019-05-29 |
| K3DBN | DAY JR, RICHARD A | 2010-10-27 |
| K3KLC | LEACH, SAMUEL E | 2018-08-18 |
| KA3LLU | HANEY, LEONARD J | 2019-12-12 |
| KB1DXL | COOK JR, RALPH M | 2020-04-21 |
| KB3AMR | COE, TODD A | 2023-03-10 |
| KB3DYP | FENWICK, SUSAN C | 2019-03-28 |
| KB3EOA | WOODS, DAVID W | 2009-11-18 |
| KB3IJU | Byers, Mark A | 2022-07-21 |
| KB3RDQ | Smith, Benjamin P | 2018-09-08 |
| KB3RIF | DIBENEDETTO, CHRISTIAN P | 2018-05-23 |
| | ||
| KB3RIG | DIBENEDETTO, PETE | 2008-06-16 |
| KB3RIH | HOLDEN, JACKSON A | 2008-06-16 |
| KB3VKP | Katulich, Stephen R | 2010-12-07 |
| KB3VTH | Weber, Kristy J | 2011-03-21 |
| KB3WET | CARLSON, ROBERT G | 2011-06-23 |
| KB3WJT | Beckman, Jocelyn L | 2011-08-17 |
| KB3WUN | LAWLIN, DAVID C | 2011-12-13 |
| KB3YPX | PAGE, GREGORY W | 2012-04-27 |
| KB3ZIY | WHITTINGTON, ROBERT L | 2022-11-23 |
| KB4NEC | LYONS, DAVID S | 2016-08-23 |
| KB6BGO | PAGE, MARILLYN H | 2011-12-20 |
| KB7IAY | Aberle, Chris S | 2020-09-03 |
| KB8YSP | GILES, MARY E | 2015-05-12 |
| KC0WKX | PRATT, ED L | 2016-02-17 |
| KC3AEJ | STREETER, JEFFERSON E | 2013-03-15 |
| KC3AEK | KNOTT, DAVID W | 2013-03-15 |
| KC3DF | TEACHOUT, RICHARD M | 2012-10-24 |
| KC3GEF | Gottshalk, Fred J | 2015-12-16 |
| KC3GQS | Higgins, Shelley | 2016-03-07 |
| KC3IEH | Griffith Jr, Lester C | 2016-11-23 |
| KC3JTS | Walls, George A | 2017-09-15 |
| KC3NEV | MC NUTT, JAMES R | 2019-03-29 |
| KC3OWL | Sullivan, Nagel B | 2020-02-18 |
| KC3PFF | SHELKO, SHAWN | 2020-05-08 |
| KC3PKD | Hall, Jeffrey A | 2020-06-15 |
| KC3PUG | Hamblin, David J | 2020-08-10 |
| KC3QYT | Farrell, Jill M | 2021-01-14 |
| KC3UXG | Taylor Jr, John S | 2022-10-06 |
| KC3VWP | Richter, Wayne | 2023-04-11 |
| KC7HYP | HEBERT, STEVEN A | 2016-10-20 |
| KC7TTU | ELY, DANIEL J | 2016-09-21 |
| KC7WPN | ELY, DIXIE M | 2017-09-09 |
| KD3CQ | HATCHER, G DANIEL | 2016-10-26 |
| KF5ESV | GREER, JONATHAN P | 2019-11-05 |
| KG5UDE | ROSS, MARK E | 2017-07-12 |
| KG6WJW | DARRAH, CHARLES M | 2014-10-03 |
| N2BLH | BOURDON, JOHN P | 2015-03-06 |
| N3IPO | SCHAIDT, DANIEL B | 2020-09-01 |
| N3JTN | NORRIS, LARRY E | 2021-04-06 |
| N3PSF | SHAFFER, ERICK S | 2013-05-29 |
| N3TNG | HOLMES, WILLIAM S | 2014-08-05 |
| N3VIU | DETWILER, LEILA O | 2015-06-04 |
| N3VIV | DETWILER, WAYMOND E | 2015-06-04 |
| N3VSF | DETWILER, KEVIN R | 2015-06-04 |
| N3XOJ | Bushman, Maryellen | 2006-03-06 |
| N7MFX | SCHULTZ, JOHN P | 2021-08-10 |
| N8RMB | CAMPBELL, ALLEN R | 2012-01-04 |
| N8TVQ | Giles, Aaron M | 2014-05-06 |
| W3GWT | HALSTEAD, KENNETH A | 2006-05-11 |
| W3HPJ | WORCH, PETER R | 2008-06-03 |
| W6WPP | Page JR, Raymond H | 2004-11-29 |
| WD0ENA | FITZGERALD, MICHAEL F | 2022-02-02 |
