The Federal Communications Commission (FCC) has granted a total of 78 licenses and call signs in the category of Restricted Operator license in Walnut Creek, 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 |
|---|---|---|
| RR00000381 | HAMMOND, ROBERT C | 2001-06-02 |
| RR00000851 | METCALF, ALVA W | 2001-06-15 |
| RR00002834 | Swenson, Todd A | 2001-09-08 |
| RR00003943 | KEAHEY, DEANNA | 2001-12-21 |
| RR00003944 | KILNER, STEVEN | 2001-12-21 |
| RR00007158 | MINER, DAVID W | 2002-07-12 |
| RR00014621 | Morse, John D | 2003-10-25 |
| RR00018714 | Locke Jr, Richard M | 2004-04-23 |
| RR00018831 | Harrison, David E | 2004-04-28 |
| RR00019376 | Itami, Carol M | 2004-05-18 |
| RR00023232 | Segal, Marc H | 2004-10-14 |
| RR00023315 | adams, ryan w | 2004-10-19 |
| | ||
| RR00023414 | Ranker, Christopher F | 2004-10-21 |
| RR00024680 | Ahearn, Jesse | 2004-12-24 |
| RR00026945 | Carr, Fred M | 2005-03-25 |
| RR00030422 | Carrera, Jorge L | 2005-07-28 |
| RR00030544 | Connolly, Andrew L | 2005-08-03 |
| RR00030779 | Maher, John C | 2005-08-12 |
| RR00034776 | Edmondson, Ann M | 2006-02-14 |
| RR00035308 | Freund, Peter R | 2006-03-04 |
| RR00038838 | Andrews, Michael L | 2006-07-25 |
| RR00039555 | Bernard, Veronique J | 2006-08-22 |
| RR00046587 | Grafton, Christopher T | 2007-04-03 |
| RR00048411 | Arruda, David | 2007-05-23 |
| RR00054509 | Arndt, Randy S | 2007-11-28 |
| RR00056880 | Shupack, Paulette | 2008-02-21 |
| RR00059791 | Smetak, Matthew B | 2008-06-10 |
| RR00061447 | Rosenblum, Steven R | 2008-09-03 |
| RR00066113 | Gregory, James P | 2009-06-27 |
| RR00066312 | Sausedo, John M | 2009-07-11 |
| RR00068782 | Foo, Andrew P | 2010-01-07 |
| RR00071334 | Ives IV, John R | 2010-05-13 |
| RR00072075 | Eaton, Christopher S | 2010-06-19 |
| RR00075564 | Pollard, Mark M | 2011-01-12 |
| RR00075746 | Darrow, Judson E | 2011-01-19 |
| RR00076491 | SHAW, WILLIAM S | 2011-02-16 |
| RR00083257 | Grant, Walker T | 2011-11-30 |
| RR00088345 | Lewis, Kimberly A | 2012-07-28 |
| RR00088346 | Lewis, Russell L | 2012-07-28 |
| RR00090534 | Motte, Duncan | 2012-11-24 |
| RR00092242 | Williams, Himani P | 2013-01-23 |
| RR00098338 | Tagliareni, Kevin M | 2013-11-13 |
| RR00102692 | Brandt, Jensen B | 2014-05-08 |
| RR00102799 | Davi II, Joseph A | 2014-05-13 |
| RR00103795 | Rosa, John H | 2014-06-14 |
| RR00109606 | Pannke, Gerd H | 2015-02-10 |
| RR00114833 | Silverthorne, Adam P | 2015-09-12 |
| RR00121425 | Friedrichsen, John E | 2016-05-13 |
| RR00122695 | Tinkham, Clifton D | 2016-06-25 |
| RR00125754 | Davis, Andrew S | 2016-10-13 |
| RR00127456 | Mehta, Bhavin Y | 2016-12-20 |
| RR00128449 | Taylor, Mitchell B | 2017-01-25 |
| RR00129502 | Dettman, Aaron J | 2017-02-28 |
| RR00138826 | Schuster, Stewart | 2017-12-20 |
| RR00145178 | Chandler, Steven M | 2018-06-22 |
| RR00145891 | Sommerville, Sean A | 2018-07-13 |
| RR00147795 | Ladouceur, Michael J | 2018-09-08 |
| RR00147906 | Elson, Robert W | 2018-09-13 |
| RR00148084 | Bong, Steven R | 2018-09-18 |
| RR00149235 | Davies, Philip M | 2018-10-22 |
| RR00154247 | Spaul, Wilbur A | 2019-03-23 |
| RR00157562 | Moore, Kelsey B | 2019-06-14 |
| RR00165811 | McGuire, Ryan P | 2020-02-05 |
| RR00166848 | Bohm, David L | 2020-02-29 |
| RR00169979 | Galloway, Kevin | 2020-09-09 |
| RR00170234 | Rocha, Daniel | 2020-09-24 |
| RR00175430 | Orendain, Leonardo M | 2021-05-13 |
| RR00175814 | Scranton, Christian | 2021-05-25 |
| RR00176131 | Evans, Gregory C | 2021-06-02 |
| RR00179107 | Hytonen, Alan J | 2021-08-19 |
| RR00179700 | Loventhal 788, Riley | 2021-09-02 |
| RR00184925 | East, Taylor J | 2022-01-19 |
| RR00185912 | Arkwright, Patrick M | 2022-02-09 |
| RR00190339 | Brilhante, Ricardo S | 2022-05-17 |
| RR00196021 | Mannix, Ian C | 2022-09-13 |
| RR00199241 | Stientjes 443, Blair | 2022-11-15 |
| RR00200385 | Ahn, Jeremy | 2022-12-10 |
| RR00203491 | Lentz, Zachery B | 2023-02-15 |
