The Federal Communications Commission (FCC) has granted a total of 42 licenses and call signs in the category of Amateur license in California, 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 |
|---|---|---|
| AA3TB | Macone, Damian | 2019-02-05 |
| K3HKI | SAINT MARYS COUNTY AMATEUR RADIO ASSOC | 2015-10-26 |
| KB3EDF | SPICUZZA, RONALD J | 2019-05-25 |
| KB3QOP | HICKMAN, DAVID | 2017-12-13 |
| KB3QOQ | LINDGREN, JOHN T | 2008-03-10 |
| KB3RII | PLUMMER, TOBY B | 2018-03-29 |
| KB3UMP | TROAN, JAMES W | 2020-02-21 |
| KB3WJM | Morehouse, Robert A | 2011-08-17 |
| KB8YZX | Tinnel, William J | 2015-02-03 |
| KC3CCJ | ROUNDS, DEBORAH E | 2014-02-13 |
| KC3DIN | WISE, JONATHAN R | 2014-08-18 |
| KC3ESW | HOWARD, CHRISTOPHER W | 2015-04-09 |
| KC3HJY | SULLIVAN, MARK T | 2016-07-01 |
| KC3IQE | Broocks, Brandon A | 2017-02-24 |
| KC3LDP | McKay, John R | 2018-04-09 |
| KC3LPH | Dalton, Zachariah C | 2018-06-11 |
| KC3NNE | AARON, Curtis R | 2019-05-17 |
| KC3PFP | WHEELER, CHRISTOPHER J | 2020-05-13 |
| KC3RKR | Garrow, David | 2021-03-02 |
| KC3RWE | Branch, William B | 2021-04-12 |
| KC3RWP | CLAY, JAMES S | 2021-04-12 |
| KC3SDN | Perrin, Samuel G | 2021-05-18 |
| KD0VNE | ULVESTAD, JOHN | 2013-05-08 |
| KD5QQM | MURRAY, MICHAEL R | 2013-01-14 |
| KE3TX | Fulbright, Charles G | 2013-05-18 |
| KE7ALY | Fitzsimmons, Sharon L | 2014-03-05 |
| KE7ALZ | Fitzsimmons, Elisha P | 2014-03-18 |
| KF3CW | KLINGEBIEL, KEITH R | 2017-08-18 |
| KI6PTD | Witzel, Eddy W | 2008-04-17 |
| KJ4RMW | Floyd, Derrick R | 2020-04-21 |
| N3EGF | Fleming, Bruce S | 2004-08-19 |
| N3LDI | ROUNDS, ROBERT L | 2021-09-27 |
| N3RUA | SHEEHAN, DANIEL J | 2014-01-03 |
| N3SAH | LANE, ROBERT M | 2014-02-28 |
| N3UTH | ALI, FIAD M | 2015-03-04 |
| N3WZT | WADE JR, JAMES E | 2016-02-02 |
| N3YBB | HESS, MARK C | 2016-06-17 |
| N3ZBH | SMITH, MARK A | 2017-02-25 |
| N5QNR | GETTY, BRIAN C | 2010-03-24 |
| W3RMY | DRENNING, CALEB K | 2006-03-17 |
| WB2YHQ | AUSTIN, CHARLES E | 2016-03-31 |
| WB6SOI | HUGHES, JACK M | 2015-03-17 |
