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 |
|---|---|---|
| W3KOY | ZIMMERMAN, RAY D | 2006-03-24 |
| W3LFP | BECK, DON F | 2006-05-25 |
| W3LWR | GANDEL, STEPHEN J | 2016-09-21 |
| W3MKE | KOST, GILBERT | 2017-03-29 |
| W3OWN | PROVENZA, THEODORE M | 2006-01-24 |
| W3PML | STOCKSDALE, CHARLES M | 2015-11-04 |
| W3RCJ | FARRELL, THOMAS E | 2016-05-09 |
| W3VRD | HOCK JR, PHILIP J | 2016-06-15 |
| W3VX | Miller, Saul | 2016-11-01 |
| W3WTQ | Packham, David A | 2008-07-10 |
| WA1QLG | MERGEN, JOHN FRANCIS | 2018-02-24 |
| WA2GKW | MITZNER, WAYNE A | 2015-11-18 |
| | ||
| WA2YUO | Frauenhofer 492, William A | 2016-07-29 |
| WA3AJR | LEAVEY, MARC I | 2015-06-04 |
| WA3DZZ | Turchin, Terry | 2004-12-28 |
| WA3EEI | MC SHANE III, COLEGATE O | 2020-04-15 |
| WA3GPC | FOLMER, JAMES C | 2018-02-14 |
| WA3KKN | FLEISCHMAN, PAUL K | 2017-04-21 |
| WA3LXY | DI PIETRO, ROBERT A | 2016-09-20 |
| WA3MEA | SUGAR, MORRIS | 2005-04-21 |
| WA3NYK | CLISHAM, KEVIN F | 2016-07-19 |
| WA3OKX | BRANDNER, CHARLES A | 2016-12-02 |
| WA3PEU | BENNETT, CHARLES L | 2014-11-07 |
| WA3PPD | BOSLEY, ELLWOOD E | 2007-02-21 |
| WA3SEO | YOUNG SR, WILLIAM O | 2015-02-19 |
| WA3SWA | LANDIS, ROBERT M | 2013-09-11 |
| WA3TAD | FALKENHAN, ERIC R | 2012-09-11 |
| WA3TUN | HERGET JR, CARL F | 2007-08-23 |
| WA3VAT | FRANCIS, WAYNE P | 2010-10-01 |
| WA3VYY | FLEISCHMAN, EILEEN T | 2017-04-22 |
| WA3WLJ | FRANCISCO, GREGORY K | 2017-03-29 |
| WA3WLO | MALINSKI, GREGORY C | 2022-06-29 |
| WA3WRT | Markham, Alan S | 2004-01-15 |
| WA3ZKO | CIAPURA, ROBERT S | 2006-01-12 |
| WA3ZWP | Simonsen, Arthur H | 2004-05-03 |
| WA4GHA | MACKLOW, MARK H | 2017-10-24 |
| WA4KYK | KNIGHT JR, LEWIS A | 2020-02-10 |
| WA5PFE | PERRY, MICHAEL A | 2019-02-06 |
| WA8UYD | KRAUSE, JAMES R | 2018-03-20 |
| WB1CJH | SOLTZ, LAWRENCE L | 2007-03-22 |
| WB3AIO | BENSEL, JOHN A | 2016-09-24 |
| WB3AYC | BAKER, DANIEL A | 2017-03-23 |
| WB3BGS | Eanes, James E | 2016-11-07 |
| WB3DJS | CARMINE, DONALD T | 2006-08-08 |
| WB3DKG | HOSKINS, JAMES L | 2017-03-14 |
| WB3EJP | CARMINE, IDA R | 2006-08-08 |
| WB3FUE | REED, DON J | 2006-09-06 |
| WB3HFE | DUBNER, NORMAN F | 2011-11-19 |
| WB3HYY | BRYSON, THOMAS E | 2017-01-17 |
| WB3JDO | EDWARDS JR, WILLIAM G | 2013-06-14 |
| WB3JKC | WOOD, FREDERICK C | 2018-01-29 |
| WB3JTM | HOPKINS JR, ALVIN S | 2006-10-05 |
| WB3JUM | HERGET, DOLORES A | 2005-05-18 |
| WB3JYK | RACKSON, GARY M | 2017-09-20 |
| WB3KJT | Gilbert, Gerard B | 2015-04-06 |
| WB3LJU | FRANCISCO JR, WALTER | 2018-04-13 |
| WB3LOT | RHONE JR, WILLIAM J | 2018-02-06 |
| WB3LTS | Hirshauer, Bernice E | 2014-07-01 |
| WB4FDT | SAGER, PHILLIP M | 2017-10-14 |
| WB4LEB | COOK, JOSEPH T | 2004-03-10 |
| WB4OTQ | MOODY, FRANCIS A | 2018-01-17 |
| WB5MDY | SIMMS, DAVID R | 2011-02-23 |
| WH6EEL | Battle Sr, Joe M | 2023-03-07 |
| WH6SI | CHRISTOPHER, SAMUEL A | 2005-03-02 |
| WL7VU | CONNOR, BRIDGET MN | 2014-06-04 |
| WN4ZUA | DICKSON, WILLIAM D | 2013-07-16 |
| WO3M | PHILLIPS, MARK D | 2021-05-04 |
| WO3N | PHILLIPS, SAMIRA S | 2021-05-19 |
| WP2ACZ | CLARK, VICTOR H | 2004-04-28 |
| WQ3F | HEALY, MICHAEL K | 2022-04-14 |
| WR3L | BAUGHER, DAVID W | 2021-08-10 |
| WW3H | PARHAM, VIRGINIA L | 2011-12-09 |
