The Federal Communications Commission (FCC) has granted a total of 508 licenses and call signs in the category of Amateur license in Concord, California. 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 |
|---|---|---|
| KM6TAV | ANELLI, MIKE | 2018-05-14 |
| KM6TAY | BODWAY, NINA E | 2018-05-14 |
| KM6TBE | FISCHER, JEFFREY | 2018-05-14 |
| KM6TMY | Gordon, Jason M | 2018-05-29 |
| KM6TPJ | Moore, Terry L | 2018-06-01 |
| KM6TUQ | Wilkerson, Garrett C | 2018-06-06 |
| KM6UXF | Lyubinina, Alla | 2018-07-31 |
| KM6VJO | OConnor, Charles M | 2018-08-24 |
| KM6VKY | Waller, Chris D | 2018-08-27 |
| KM6VRL | Accinelli, Chris Z | 2018-09-14 |
| KM6VZS | SCALZI, MICHAEL | 2018-10-03 |
| KM6WXJ | Kenward, Heather N | 2018-11-13 |
| | ||
| KM6WXK | Scheer, Gina M | 2018-11-13 |
| KM6YCW | Krispel, Franz | 2018-11-26 |
| KM6YJY | Fitzgerald, Micah M | 2018-12-04 |
| KM6YSH | Huaco, Ernesto | 2018-12-19 |
| KM6ZVC | TSE, COLMAN T | 2019-02-15 |
| KM6ZVI | ZHAN, ERIC S | 2019-02-15 |
| KM6ZYW | American Red Cross Amateur Radio Club | 2019-02-22 |
| KN6CDN | MC KINNEY, WAYNE R | 2019-05-23 |
| KN6CMZ | DAVIS, MATTHEW T | 2019-06-12 |
| KN6CNR | Beltran Obiol, Salvador | 2019-06-12 |
| KN6EVW | Mailander, Mary Jane E | 2019-10-15 |
| KN6FEY | Lyubinin, Leon M | 2019-10-28 |
| KN6GDN | Dellisola, Susan J | 2019-12-03 |
| KN6GEA | Hernandez, Ricardo | 2019-12-03 |
| KN6GHR | Abbot, Christopher D | 2019-12-11 |
| KN6GTP | Grey, Jo A | 2020-01-16 |
| KN6HKM | BROWN, CHRISTOPHER M | 2020-02-07 |
| KN6HLG | MEGINNES, KODY A | 2020-02-07 |
| KN6HYD | Hoellwarth, Michael J | 2020-03-02 |
| KN6IFK | McNally, Scott A | 2020-03-06 |
| KN6JIL | Morris, Benjamin E | 2020-06-19 |
| KN6JIN | Brasiel, James A | 2020-06-19 |
| KN6KEY | Zurlo, Bernard A | 2020-08-06 |
| KN6KFB | McDermott, Christine E | 2020-08-06 |
| KN6KUZ | Toutolmin, Craig S | 2020-09-15 |
| KN6KVA | Von Stieff II, Frederick J | 2020-09-15 |
| KN6KVN | Trapp, David R | 2020-09-15 |
| KN6LAM | Blauvelt, Tyler J | 2020-09-24 |
| KN6LJW | ZIMMERMAN, BRENTON | 2020-10-14 |
| KN6MXN | Lapp, Roland W | 2021-01-14 |
| KN6NKH | Adams, Michael A | 2021-02-16 |
| KN6NXV | Osier, Paul E | 2021-03-17 |
| KN6OXC | Bryant, Michael | 2021-05-17 |
| KN6OZZ | GREER, BRIAN | 2021-05-24 |
| KN6QCC | Kaplan, Kyla B | 2021-08-17 |
| KN6TJX | Thorndike, Joshua C | 2022-03-22 |
| KN6TKE | Petersen, Lance E | 2022-03-22 |
| KN6XC | Strickland, James G | 2003-10-15 |
| KN6YDY | Lyon, Richard G | 2023-01-12 |
| KN6YPA | Desai, Ushesh | 2023-02-22 |
| KO6IK | RIDOUT, ROBERT W | 2003-10-10 |
| KQ6AR | GOEMMEL, DANIEL J | 2014-08-12 |
| KQ6IQ | Crouch, George W | 2015-06-01 |
| KQ6WS | MIYAMAE, TED T | 2008-05-07 |
| KR6CR | Schulze, John R | 2017-04-03 |
| KT6X | BROWN, RICHARD S | 2012-10-10 |
| N0CW | WALTMAN, CHARLES S | 2017-06-20 |
| N5YBK | OLSHER, DANIEL | 2021-12-15 |
| N6CUK | BROWN, DEREK J | 2019-04-24 |
| N6MZJ | IRVING, KENNETH R | 2005-06-15 |
| N6NQT | TAKAMA, HIROSHI | 2016-02-02 |
| N6OYS | Crandell, Gary L | 2016-10-03 |
| N6PN | Futterman, Matthew A | 2017-07-25 |
| N6PPP | BOYLE, CHARLES J | 2006-11-30 |
| N6PZG | THEWS, ALBERT W | 2017-01-30 |
| N6QGN | TORMEY, PETER J | 2017-05-27 |
| N6RPQ | GAY, MICHAEL A | 2021-04-07 |
| N6SPX | MC GLOTHIN, DWANE T | 2012-06-14 |
| N6UGD | BONDON, JOHN M | 2008-10-11 |
| N6VHV | TULLER, RICHARD G | 2011-10-03 |
| N6VXH | SMITH, CHARLES H | 2019-10-08 |
| N6ZQB | LARROWE, JAMES A | 2021-03-23 |
| N8NLC | COMET, MICHAEL B | 2014-01-09 |
| ND6Y | JONES, CHRISTIAN W | 2015-11-20 |
| NE6A | JONES, HAROLD L | 2014-11-04 |
| W1GMQ | SPAISER, LESLIE H | 2006-11-02 |
| W6JGP | LEMON, FRANK E | 2015-08-29 |
| W6JKH | DESSENBERGER, JOHN W | 2008-09-03 |
| W6RSH | NELSON, JOHN A | 2006-11-29 |
| W6SJU | WOLFE, MICHAEL D | 2015-06-09 |
| W6UGT | DAVIS, LEON P | 2020-10-27 |
| W8BQD | RICKERD, RAYMOND D | 2005-02-22 |
| WA6AEO | WATSON, BRADLEY G | 2007-07-14 |
| WA6ANF | TAYLOR, SANDRA L | 2006-11-29 |
| WA6CIE | Styles, Lauren M | 2017-01-17 |
| WA6CPY | Gonzalez Rivas, Juan L | 2004-12-30 |
| WA6JAU | Hall, Trevor E | 2017-11-01 |
| WA6LUY | GROTHMAN, A DALE | 2003-10-22 |
| WA6NGS | SKIPPER, GLENN M | 2007-01-23 |
| WA6NYP | KRAMER, THOMAS A | 2016-12-09 |
| WA6ODY | DIAS JR, RAY W | 2016-08-09 |
| WA6SWO | KEIBEL, JOHN A | 2012-06-22 |
| WA6ZAP | Driscoll, Reginald F | 2014-04-23 |
| WA6ZPL | RIDINGS, ARNOLD | 2006-05-18 |
| WA7RVW | WOODRING, MICHAEL J | 2019-03-08 |
| WB6ARO | HEWLETT, NORMAN P | 2013-09-04 |
| WB6CMY | MYER, DALE A | 2017-01-04 |
| WB6EEH | EUDALY, DOUGLAS | 2017-03-01 |
