The Federal Communications Commission (FCC) has granted a total of 772 licenses and call signs in the category of Amateur license in Baltimore, 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 |
|---|---|---|
| KA3Z | HOSE JR, ROBERT E | 2015-05-19 |
| KA3ZTC | HAGLAND JR, JOHN N | 2013-05-10 |
| KA8TMO | LA VERE, AARON G | 2014-10-03 |
| KA9TJN | LIBIT, HOWARD S | 2017-09-02 |
| KB0HIH | JONES, ALAIN L M | 2014-03-04 |
| KB0HIO | COLBERT, CINDY N | 2010-12-30 |
| KB2ERD | GASIOR, ERIC D | 2018-11-15 |
| KB3AD | DENT, WILLIAM H | 2004-03-06 |
| KB3AXT | LYNCH, JOANNE R | 2013-05-17 |
| KB3AYO | HAMER, EDWARD G | 2015-03-18 |
| KB3BDH | BENYOWITZ, GIDEON A | 2006-05-15 |
| KB3BFY | BLEVINS, ROBERT L | 2014-11-11 |
| | ||
| KB3BHO | BOUMI TEMPLE AMATEUR RADIO CLUB | 2015-04-16 |
| KB3BVB | STONE, MICHAEL F | 2017-07-14 |
| KB3BWZ | JOHNSON, KENNETH R | 2017-09-06 |
| KB3BXB | HARRYMAN, THOMAS E | 2019-10-11 |
| KB3BXZ | JOHNSON, JEAN F | 2017-09-06 |
| KB3C | BOGERT, DONALD W | 2015-12-09 |
| KB3CAN | CHARLESTOWN AMATEUR RADIO CLUB | 2008-03-11 |
| KB3CEE | NIEBUR, ERNST G | 2017-12-06 |
| KB3CGU | HEDGES, HARRY L | 2018-03-02 |
| KB3CGY | WEATHERSTEIN, JOHN F | 2017-12-29 |
| KB3CJG | GONZALEZ, JUAN M | 2018-10-02 |
| KB3CJK | BREEDLOVE SR, JUAN D | 2018-01-19 |
| KB3COB | MONTALVO, ANTHONY | 2008-09-12 |
| KB3CUK | MONTALVO, MILAGROS | 2021-06-28 |
| KB3CV | VINSON, JAMES B | 2008-02-12 |
| KB3CVD | UMBC AMATEUR RADIO CLUB | 2019-03-05 |
| KB3CYK | SWANN, MARK E | 2019-09-21 |
| KB3DA | Phillips, Thomas L | 2017-11-28 |
| KB3DAE | TAYLOR, BEN C | 2018-07-05 |
| KB3DAM | MILLEKER JR, JOHN C | 2019-05-29 |
| KB3DOA | PRITT, TROY W | 2009-03-03 |
| KB3EEK | Thompson, Michael J | 2019-06-12 |
| KB3EK | WHITTAKER, CHARLES J | 2013-12-04 |
| KB3ENO | WINTER II, WILLIAM C | 2012-08-07 |
| KB3EPV | NIEBUR, DAGMAR | 2019-12-12 |
| KB3FES | Filling, Mark H | 2020-04-08 |
| KB3FII | Stone, Amy T | 2010-05-11 |
| KB3FIK | Binder, Yosef | 2010-07-13 |
| KB3FLH | SILBER, TZIPPORAH | 2021-08-14 |
| KB3FQK | SWEENEY, GREGORY D | 2020-10-06 |
| KB3FRP | MAHLE, JOHN | 2020-12-08 |
| KB3GDB | Hamilton, Stephen I | 2021-01-13 |
| KB3HKN | Weller Jr, Charles R | 2022-02-08 |
| KB3HRV | Holzinger, John F | 2012-01-23 |
| KB3HTC | Jones, Wayne M | 2012-02-21 |
| KB3HUI | Rivulet, Mary | 2022-03-18 |
| KB3HUJ | Smith, John E | 2022-03-16 |
| KB3HVT | Coyner JR, Robert K | 2022-02-15 |
| KB3HVU | Emmett, Kim L | 2022-02-15 |
| KB3HWA | TOWNSEND, ROBERT L | 2022-03-10 |
| KB3IKC | Venanzi, Matthew R | 2012-07-24 |
| KB3IKD | Briggs, Edward M | 2022-06-01 |
| KB3ILA | Kidd, Paul A | 2014-03-26 |
| KB3IVM | Briggs, Patricia A | 2022-11-15 |
| KB3IVN | Bogert Jr, Robert C | 2012-09-07 |
| KB3IVS | Roberts, Derrick W | 2022-10-28 |
| KB3JFA | HANKS JR, LEROY G | 2013-01-07 |
| KB3JJZ | Eifert, Christine F | 2013-03-20 |
| KB3JKF | Taylor, Craig S | 2023-03-21 |
| KB3JL | OHLY, D CHRISTOPHER | 2011-02-01 |
| KB3JLE | THOMAS II, LLOYD N | 2013-01-23 |
| KB3JQQ | SIEGEL, J SCOTT | 2023-04-29 |
| KB3JWO | Cohen, Denise B | 2013-04-26 |
| KB3KBY | Freund, John G | 2013-05-09 |
| KB3KCE | ROSIAK, THOMAS T | 2013-05-22 |
| KB3KGB | Porter, Scott T | 2013-09-19 |
| KB3KHJ | Ryan, Kyle J | 2015-01-28 |
| KB3KKU | Reed, Sean B | 2013-10-17 |
| KB3KPB | Cabellon, Gabriel O | 2003-12-16 |
| KB3KRQ | Byrne, Barry J | 2013-11-08 |
| KB3KRV | Frederick, David M | 2013-12-05 |
| KB3KSB | HOTTEN JR, RUDOLPH A | 2013-11-06 |
| KB3KYQ | Hensen, John T | 2004-03-29 |
| KB3LCO | Bavis, Kyle J | 2004-05-05 |
| KB3LCP | Pilolla, Michael | 2004-05-06 |
| KB3LJI | Davidson, Michael W | 2004-07-26 |
| KB3LJX | Maudlin, Rory O | 2004-08-03 |
| KB3LJZ | Nelson, Joshua D | 2004-08-04 |
| KB3LKA | Gabeler, James C | 2004-08-04 |
| KB3LKB | Edwards, William E | 2014-06-18 |
| KB3LLR | HOWARD, ROGER R | 2015-01-23 |
| KB3LMQ | Rainville, Rene | 2004-09-21 |
| KB3LNN | Morgan, Robert J | 2014-08-05 |
| KB3LTV | SULLIVAN, RICHARD J | 2014-10-04 |
| KB3LUJ | Gile, Daniel J | 2004-12-13 |
| KB3LWZ | Frank, Myron | 2015-04-07 |
| KB3LXS | Chance, Javan A | 2005-02-10 |
| KB3MAO | Christopulos, Christopher E | 2016-05-10 |
| KB3MAV | Mitchell III, Charles W | 2015-05-22 |
| KB3MKO | Cameron, Donald M | 2005-06-30 |
| KB3NAZ | Copelin, Edward C | 2006-01-23 |
| KB3NCX | BENYOWITZ, YAAKOV Y | 2016-01-15 |
| KB3NDE | McDonald, William E | 2006-02-07 |
| KB3NGX | Leoncavallo, Douglas A | 2006-03-13 |
| KB3NHQ | DALTON, THOMAS J | 2016-01-05 |
| KB3NHR | Poindexter, Rodney D | 2006-03-22 |
| KB3NIJ | OWENS SR, ALBERT T | 2016-03-31 |
| KB3NIU | Donaldson Paluzzi, Brooke A | 2016-03-31 |
