The Federal Communications Commission (FCC) has granted a total of 82 licenses and call signs in the category of Amateur license in Clayton, 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 |
|---|---|---|
| AD6BC | NORBERG, LOUIS E | 2005-12-21 |
| AE6QO | Frazier, Matthew K | 2014-03-15 |
| KA6OFQ | Dunleavy, Anthony | 2011-08-03 |
| KB6OMN | Taylor, Robert C | 2018-12-19 |
| KD6HPL | PRITCHARD, JOHN K | 2022-02-22 |
| KD6OPB | CORBETT, BRIAN J | 2012-08-01 |
| KE6FSP | MILLER, BETTY E | 2013-11-25 |
| KE6GKK | BOATWRIGHT, DAVID E | 2014-01-18 |
| KE6OXF | DRAKE, STEPHEN L | 2014-11-10 |
| KF6CEA | NORBERG, EILEEN M | 2016-01-05 |
| KF6FQQ | BABCOCK JR, DONALD C | 2016-05-21 |
| KF6HAY | KINSEY, WILLIAM S | 2016-09-20 |
| | ||
| KF6MKD | KINSEY, JULIE M | 2007-04-14 |
| KF6RBI | PENA, ANTHONY R | 2018-04-20 |
| KF6UJT | HUDKINS, BRUCE E | 2008-11-03 |
| KG6ZJL | ARNETT, STEVEN T | 2015-02-18 |
| KI6AZT | Solen, Everett L | 2015-10-13 |
| KI6FYK | Cross, Teresa | 2016-09-27 |
| KI6HCG | Ahlgren II, Charles A | 2006-12-19 |
| KI6JLJ | LASS, THOMAS | 2017-03-11 |
| KI6MTS | Argo, Michael W | 2017-08-11 |
| KI6PIB | Gardner, Clayton O | 2008-03-19 |
| KI6SDH | Terstegge, Teddy M | 2018-06-06 |
| KI6UNJ | Brown, Thomas A | 2018-10-19 |
| KI6VFB | Goelkel, William | 2018-10-23 |
| KI6YGX | ROTHSCHILD, MICHAEL L | 2019-01-31 |
| KI6ZLV | Meyer, Neal G | 2009-05-19 |
| KI6ZLZ | Turney, Paul D | 2019-03-13 |
| KJ6FBA | Bell, Neil | 2010-02-03 |
| KJ6MEW | Amos, James F | 2021-06-30 |
| KJ6PCP | Bullock, Nancy R | 2021-03-05 |
| KJ6PGW | Knapp, Joseph T | 2022-03-29 |
| KJ6QZB | Carbine, Dianne A | 2011-08-31 |
| KJ6QZG | Kane, Krittiya | 2011-08-31 |
| KJ6RFN | Poston, David J | 2021-07-08 |
| KJ6UTG | Vines, Derek J | 2012-03-08 |
| KJ6UTW | Busch, Ronald C | 2012-03-08 |
| KJ6VZL | Cutler, Mark L | 2012-04-27 |
| KJ6WSQ | Baca Jr, Jim | 2022-04-29 |
| KJ6YAF | Sandness, Philip J | 2023-03-29 |
| KJ6YAI | Fico, Jim | 2012-06-01 |
| KJ6YAJ | Fico, Sherrie J | 2012-06-01 |
| KJ6ZZW | Colline, Christian | 2022-07-26 |
| KJ6ZZX | Colline, Jeffrey | 2012-10-11 |
| KK6IKR | Borbely, Thomas E | 2013-12-11 |
| KK6NJQ | Fryer, Doug T | 2014-06-18 |
| KK6QAE | Lewis, Jason B | 2014-11-12 |
| KK6SQX | Ventura, Marc V | 2015-03-19 |
| KK6TWG | Russell, Patrick | 2015-05-01 |
| KM6BDC | Tucker, Andrew E | 2016-03-15 |
| KM6BNR | WHITTLINGER, KYLE | 2016-03-29 |
| KM6DEN | McCarthy, James P | 2016-06-01 |
| KM6FET | Downing, Sadie A | 2016-09-15 |
| KM6FEX | Downing, James W | 2016-09-15 |
| KM6HDV | OBrien, Michael D | 2016-12-12 |
| KM6NGS | Lotter, Brian | 2017-10-19 |
| KM6NKT | ROSNOV, ALAN I | 2017-10-24 |
| KM6RGK | Story, Tracy A | 2018-03-08 |
| KM6RRL | Whittlinger, Kirsten L | 2018-03-28 |
| KM6UXC | Venturino, Edward S | 2018-07-31 |
| KM6VMA | Straka, Michael R | 2018-08-29 |
| KN6DXH | Heath, Chris R | 2019-08-21 |
| KN6FTU | Shahrodizadh, Arshia H | 2019-11-15 |
| KN6JFJ | CASEY, CHRISTOPHER | 2020-06-08 |
| KN6KEV | Zee, Alan C | 2020-08-06 |
| KN6KKN | Borbely, Thomas A | 2020-08-20 |
| KN6KVL | Whittlinger, Grant O | 2020-09-15 |
| KN6KVW | Wood, Carson J | 2020-09-16 |
| KN6LAI | Zee, Marcus A | 2020-09-24 |
| KN6LLB | Ritz, Ben W | 2020-10-15 |
| KN6WFU | Curtis, Johnny A | 2022-10-21 |
| KN6ZML | Soskin, Victor | 2023-04-26 |
| KR6BJ | Budesa, John A | 2014-08-11 |
| N6FUV | NEGRETE, CANDY R | 2016-06-24 |
| N6JXR | NEGRETE, JOHN E | 2014-06-30 |
| N6RQI | SCHIAPPACASSE, EVONNE J | 2016-04-26 |
| N6YAI | BUSCEMI, JOSHUA D | 2019-12-21 |
| N6YPG | AMSTEIN, WILLIAM E | 2010-03-24 |
| N6YUL | WOOD, BRADFORD C | 2020-03-05 |
| WB6MRK | ATKINSON, DAVID E | 2018-03-26 |
| WB6RXR | CHATAGNIER, THOMAS J | 2016-06-28 |
| WQ6J | SCHIAPPACASSE, JOHN K | 2016-04-26 |
