The Federal Communications Commission (FCC) has granted a total of 94 licenses and call signs in the category of Amateur license in Catonsville, 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 |
|---|---|---|
| AA1UK | KNUDSEN, MICHAEL J | 2015-11-24 |
| AA3FB | ANGEL, CHARLES E | 2013-04-05 |
| K3FQP | Gardenghi Sr, Robert A | 2007-02-13 |
| K3HKN | SWANNER, WILLIAM C | 2013-12-16 |
| K3OKS | Simmons, Vaughan P | 2007-11-05 |
| KA3DXY | KNECHT, SHARON E | 2010-01-26 |
| KA3FRC | BOEHK, STEPHEN R | 2007-07-11 |
| KA3RSQ | HAFNER JR, ALLEN B | 2017-01-10 |
| KA3UEY | MILLER, WILLIAM C | 2009-03-05 |
| KA5PDC | EVANS, TRENT H | 2018-02-13 |
| KB1EYX | Majewski, Edward J | 2012-01-10 |
| KB3CJT | Rollhauser, David A | 2018-03-13 |
| | ||
| KB3DG | GLOVER, CLARENCE C | 2014-09-24 |
| KB3HUR | Christovich Jr, Thomas M | 2023-04-07 |
| KB3KSZ | Iler, Gerald W | 2013-12-18 |
| KB3LDM | Nixon, Barbara L | 2014-02-24 |
| KB3NHP | Aguera-Arcas, Jose B | 2006-03-22 |
| KB3OWV | Jacobson, David M | 2017-01-05 |
| KB3QNA | KNEPPER, JOSHUA M | 2019-06-19 |
| KB3RXW | Ramsland Jr, Finn C | 2008-11-18 |
| KB3TCP | Gunde, Kevin E | 2021-01-21 |
| KB3TPD | KUMMELL, JUDITH A | 2009-11-09 |
| KB3UTJ | DUPAL, STEPHEN M | 2010-06-16 |
| KB3VRN | BARVENIK, MADELEINE C | 2011-03-08 |
| KB3WDW | Santamaria, Christopher J | 2011-06-20 |
| KB3WZR | Hopkins, Travis L | 2023-03-16 |
| KB3YEH | Issa, Amin | 2012-03-01 |
| KB3YVN | Maloney, Robert C | 2012-06-18 |
| KB3ZDX | LaCourse, Margaret E | 2012-08-27 |
| KB7BQN | BROWN, JUDITH M | 2007-04-19 |
| KC3AJF | Randall, Steven R | 2013-04-08 |
| KC3ALC | CALZETTA, GIANCARIA T | 2013-04-18 |
| KC3BKS | BURANICZ, JOHN | 2013-10-23 |
| KC3BOR | Harris Jr, Frank J | 2013-11-18 |
| KC3BZW | MONGER, STEPHANIE A | 2014-01-30 |
| KC3CVY | Christner, Daniel S | 2014-05-19 |
| KC3DLB | PUGLIESE 3RD, FRANK J | 2014-09-08 |
| KC3EQA | Hinkey, Christopher M | 2015-03-25 |
| KC3FVD | Bowman, Paul D | 2015-10-28 |
| KC3GYD | Sand, Harrison E | 2016-04-18 |
| KC3HPW | Payne, Ryan M | 2016-08-24 |
| KC3IYI | EISENREICH, DANIEL | 2017-04-03 |
| KC3JWG | Alexander, Brian D | 2017-09-27 |
| KC3KBG | King, Andrew J | 2017-10-25 |
| KC3MCY | Vatcher, Christopher | 2018-09-25 |
| KC3MDC | Halfpap, Bryan J | 2018-09-28 |
| KC3NUJ | Bitting, Miranda I | 2019-07-18 |
| KC3OCL | Lytwynec, Steven D | 2019-09-24 |
| KC3ONS | Strockbine, Caleb | 2019-12-09 |
| KC3PIT | RABENOLD, KIRK | 2020-06-08 |
| KC3QKY | CONRAD, MATTHEW J | 2020-11-09 |
| KC3QKZ | TURNER, WAYNE | 2020-11-09 |
| KC3QLY | Donahue, Patrick D | 2020-11-13 |
| KC3QQL | THOMAS, STEVIE M | 2020-12-07 |
| KC3REC | GARY, KEVIN M | 2021-02-08 |
| KC3RQT | Buker, Paul A | 2021-03-25 |
| KC3RWG | Benzinger, Mary M | 2021-04-12 |
| KC3SSB | Bailey Jr, Harold L | 2021-09-14 |
| KC3UGA | Holden, James | 2022-05-21 |
| KC3VNF | Minderlein, Jeff | 2023-02-07 |
| KC3VVX | Kerpelman, Jason A | 2023-04-04 |
| KC3VVY | Hutton, Joel D | 2023-04-04 |
| KD7NQM | Rooper, Benjamin F | 2021-08-23 |
| KE0MBV | Witte, Isaac R | 2017-02-15 |
| KE3FB | VAN KOTEN, LELAND S | 2012-09-13 |
| KF2AJ | KNEISL, KYLE E | 2022-06-15 |
| KF4III | COLLINS, TONY N | 2006-02-28 |
| KG4ZWC | PERSAUD, KISHORE V | 2023-03-23 |
| KI4NIK | LUCO, JACOB M | 2006-01-25 |
| KJ6JRS | Waites, Brigitte | 2020-06-04 |
| N1CVB | LEWIS, EDWARD | 2015-03-13 |
| N2DLU | TILLMAN, HOPE N | 2023-01-04 |
| N2TDT | KALB, DAVID F | 2012-10-02 |
| N3ATV | BROWN, WILLIAM T | 2017-04-12 |
| N3EDA | WALL, THOMAS H | 2005-06-29 |
| N3FIQ | LANGER, ALLAN | 2006-09-07 |
| N3JDN | WILLING, PAUL J | 2011-01-03 |
| N3JLB | CHAN, STEPHAN M | 2022-06-01 |
| N3MJI | ANGEL, HELEN A | 2012-04-03 |
| N3SEM | STUMPFOLL, LAURA R | 2004-04-21 |
| N3SOK | BILLMYER, JERROLD B | 2014-05-12 |
| N3TZH | MC SHANE, TIMOTHY E | 2014-10-11 |
| N7WOG | CLARK, GREGORY M | 2022-04-05 |
| W3IXJ | Collins Jr, James P | 2008-05-02 |
| W3QKR | REYNOLDS, DAVID W | 2016-12-02 |
| W3SSF | ZARRIELLO, PAUL R | 2013-04-03 |
| W3TLS | BOYLE JR, EDWARD B | 2008-09-29 |
| WA3ANB | LONG SR, RALPH E | 2004-02-18 |
| WA3NIB | COLE JR, CLIFTON E | 2015-06-23 |
| WA3ZBB | Miller Jr, James G | 2013-07-30 |
| WB1BVP | RAFALA, MICHAEL J | 2017-06-30 |
| WB3ETP | DEAL JR, FOREST C | 2017-01-04 |
| WB3LRM | Isaacs, Alvin T | 2004-08-11 |
| WN3UKM | IRVIN, MAURICE L | 2006-05-16 |
