The Federal Communications Commission (FCC) has granted a total of 333 licenses and call signs in the category of Amateur license in Rockville, 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 |
|---|---|---|
| KB3SYC | COGDELL, KENNON J | 2019-03-06 |
| KB3TED | Merejouk, Iouri | 2019-05-23 |
| KB3UUI | Tetens Jr, Howard B | 2021-02-17 |
| KB3UZB | Schmidt, Rolf J | 2020-07-16 |
| KB3VJE | Kolf, Paul G | 2021-07-28 |
| KB3VND | Taylor, Ewing B | 2020-12-02 |
| KB3VOT | SMITHWICK, GEORGE G | 2020-11-23 |
| KB3VQC | Glaser, Zory R | 2021-02-09 |
| KB3WAE | LIU, EDWARD C | 2011-05-16 |
| KB3WAX | Loewen, Wendy | 2021-08-10 |
| KB3WGJ | Vaughn, Edward A | 2011-07-18 |
| KB3WGT | Green, David J | 2021-06-28 |
| | ||
| KB3WHY | MEISELMAN, DAVID M | 2011-08-08 |
| KB3WPW | BURKHOLDER, KEVIN S | 2021-08-23 |
| KB3WTW | STARBORNE, REBECCA L | 2011-12-05 |
| KB3WYQ | DICKEY, ALEXANDER S | 2012-01-17 |
| KB3YHY | Ponton, James W | 2022-02-08 |
| KB3YLG | Klein, Barry B | 2012-04-04 |
| KB3YSW | Huber, Jason E | 2022-05-25 |
| KB3ZIT | Hall, Ian A | 2012-10-22 |
| KB3ZUH | Pratt, Lucas M | 2013-01-10 |
| KB3ZUK | DAHN, JEFFREY A | 2022-10-21 |
| KB5WGT | Lamar Jr, Walter M | 2023-02-24 |
| KC0GLX | Ambrose, Ken J | 2021-01-23 |
| KC3AIY | Betancourt, Ian J | 2013-04-03 |
| KC3ARX | Abanulo, Uchechukwu O | 2013-05-30 |
| KC3AVS | Brooks, Benjamin E | 2013-06-26 |
| KC3AXG | HATAYE, XIAOFANG | 2013-07-08 |
| KC3BBR | SHIMADA, MINETAKA M | 2013-08-12 |
| KC3BJL | Hoq, Nayeem | 2013-10-17 |
| KC3BWG | Stockert, Michael A | 2014-01-09 |
| KC3CAH | BEAULIEU III, GERARD J | 2014-02-03 |
| KC3CAI | BEAULIEU, GERARD T | 2014-02-03 |
| KC3CEE | MOUADA, DJED | 2014-02-27 |
| KC3CNX | Chimento Jr, Philip F | 2014-04-14 |
| KC3CQL | Reninger, Rosemary D | 2014-04-21 |
| KC3CVV | Edwards, Emerson | 2014-05-19 |
| KC3DOM | Pettae, Mekkasit | 2014-09-29 |
| KC3DRQ | TENNARANGAM, ABHISHEK | 2014-10-28 |
| KC3DTP | Smith, Jeremy L | 2014-11-05 |
| KC3DVT | Besmen, Mark E | 2014-11-14 |
| KC3EMT | Smiley, Keaton K | 2015-03-11 |
| KC3ESU | DARLING, PAUL | 2015-04-09 |
| KC3EYX | Beltz, Guy B | 2015-05-11 |
| KC3EZB | GREENLEAF, MICHAEL C | 2015-05-11 |
| KC3FJL | McHugh, Dennis M | 2015-08-17 |
| KC3FXX | Martin, Dale F | 2015-11-12 |
| KC3GHG | Abuan, Jhason T | 2016-01-19 |
| KC3GJV | Zheng, Harrison W | 2016-02-09 |
| KC3GLH | Canning, Richard | 2016-02-18 |
| KC3GNA | Miller, Eloise P | 2016-02-24 |
| KC3GRB | Hill, Caleb A | 2016-03-07 |
| KC3GRC | Hill, Isaac R | 2016-03-07 |
| KC3HQN | Mashburn, David | 2016-08-25 |
| KC3HUB | Applegate, Bryan D | 2016-09-19 |
| KC3HXS | Ge, Xiaolan | 2016-10-11 |
| KC3IDQ | Sadler, Westley A | 2016-11-21 |
| KC3IXD | Van Horne Mitchell, Jodi L | 2017-03-22 |
| KC3JFN | Black, Margaret D | 2017-05-15 |
| KC3JKQ | Yang, Ho Jung | 2017-06-22 |
| KC3JMH | Franklin, Lena A | 2017-07-10 |
| KC3JVA | Fuchs, Bruce A | 2017-09-19 |
| KC3JVD | Kaye, Henry J | 2017-09-19 |
| KC3JWB | Chugh, Samarth | 2017-09-26 |
| KC3KRX | Wobus, Peter J | 2018-01-29 |
| KC3KSW | Murphy, Rebecca C | 2022-04-19 |
| KC3KYV | Romano, Edward J | 2018-03-13 |
| KC3KZY | Lee, Steven S | 2018-03-19 |
| KC3LIX | Rossi, Jonathan T | 2018-05-04 |
| KC3LLH | Restrepo, Alexandra | 2018-05-15 |
| KC3LLI | Fuchs, Rebecca A | 2018-05-15 |
| KC3LLL | Sherstov, Roman | 2018-05-15 |
| KC3LLP | Batts, Victoria A | 2018-05-15 |
| KC3LLQ | Hitch, Kyle R | 2018-05-15 |
| KC3LLR | Piety, Joshua | 2018-05-15 |
| KC3LLT | Elhamdani, Ameen | 2018-05-15 |
| KC3LLU | Elhamdani, Abdeladim | 2018-05-15 |
| KC3LUL | Walrath, Jeremy D | 2018-07-09 |
| KC3MJW | Bowes, Cameron S | 2018-11-13 |
| KC3MJX | Watanabe, Yuichiro S | 2018-11-13 |
| KC3MST | CREITZ, BENJAMIN | 2019-01-30 |
| KC3MSU | CREITZ, AMBROSE | 2019-01-30 |
| KC3NBZ | Maggin, David Y | 2019-03-18 |
| KC3NLW | Capps, Carl T | 2019-05-13 |
| KC3NMA | Goad II, Richard A | 2019-05-13 |
| KC3NMC | Thompson, Randall H | 2019-05-13 |
| KC3NMI | HARTLEY, SIMON | 2019-05-13 |
| KC3NUE | Litten, Jeremy E | 2019-07-18 |
| KC3NZM | Reyes Otto, Sofia A | 2019-09-09 |
| KC3OAW | BEZUGLYI, IGOR | 2019-09-16 |
| KC3OCV | Lakhiani, Jayesh G | 2019-09-27 |
| KC3OOG | WASILEWSKI, DEREK T | 2019-12-16 |
| KC3OQO | Williams, Alton L | 2020-01-06 |
| KC3PAD | Argraves, Keith L | 2020-03-02 |
| KC3PRF | Myers, Deborah A | 2020-07-20 |
| KC3PWA | Dias Jayasuriya, Manoj P | 2020-08-21 |
| KC3QVA | Goss-Packard, Trevor B | 2020-12-15 |
| KC3QYM | Lee, Justin K | 2021-01-11 |
| KC3RAC | Folsom, Aaron | 2021-01-21 |
| KC3SNF | Egorov, Alexey | 2021-08-02 |
