The Federal Communications Commission (FCC) has granted a total of 76 licenses and call signs in the category of Restricted Operator license in San Marcos, 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 |
|---|---|---|
| RR00001021 | PELLEGRINO, JEFFREY P | 2001-06-21 |
| RR00007376 | UDWARY, HEIDI | 2002-07-24 |
| RR00013688 | Kinkel, Brad M | 2003-08-16 |
| RR00021453 | Sum, Andy K | 2004-07-31 |
| RR00027042 | Forrest, Carolyn S | 2005-03-30 |
| RR00028995 | Klunk, Richard A | 2005-06-07 |
| RR00036670 | Beck, Larry E | 2006-04-22 |
| RR00040162 | Witt, Warren G | 2006-09-08 |
| RR00040856 | Salvador, Ricky M | 2006-09-28 |
| RR00042459 | Cook, Darwen J | 2006-11-17 |
| RR00047834 | Prinz, Steven R | 2007-05-08 |
| RR00054823 | Davis, Dustin R | 2007-12-11 |
| | ||
| RR00055945 | Hudoba, David A | 2008-01-23 |
| RR00058579 | Sanchez, David | 2008-04-17 |
| RR00063179 | Desmond, James M | 2008-12-20 |
| RR00063411 | Kelly, Robert | 2009-01-10 |
| RR00064496 | Patel, Trusharkumar | 2009-03-12 |
| RR00066904 | Pence III, Ira W | 2009-08-21 |
| RR00075732 | Archuleta, Sean A | 2011-01-19 |
| RR00082505 | LUHMANN, RONALD B | 2011-10-20 |
| RR00083175 | Mohammadi, Waheed S | 2011-11-29 |
| RR00084916 | Jakawich, Nicholas J | 2012-02-24 |
| RR00093477 | kurtz, jeffrey | 2013-03-19 |
| RR00098389 | Manley, John M | 2013-11-13 |
| RR00102225 | RABIYAN, KYLE A | 2014-04-22 |
| RR00102646 | Watson, Michael J | 2014-05-06 |
| RR00103616 | Hilsabeck, Terance J | 2014-06-10 |
| RR00104460 | Simmons, Christopher J | 2014-07-12 |
| RR00106022 | Richardson, Jerad T | 2014-09-06 |
| RR00106958 | Peterson, Todd A | 2014-10-16 |
| RR00109807 | Draper, Jason T | 2015-02-18 |
| RR00111566 | Messier, Adam F | 2015-04-28 |
| RR00111687 | Stanley, Vincent T | 2015-05-01 |
| RR00113199 | Ayers, Christopher C | 2015-07-03 |
| RR00114399 | Anderson, Robert S | 2015-08-20 |
| RR00115858 | Harlow, Michael | 2015-10-20 |
| RR00117273 | Harris, Lamar J | 2015-12-15 |
| RR00117984 | Bland, Donald P | 2016-01-13 |
| RR00118131 | Connell II, Craig C | 2016-01-20 |
| RR00118331 | Knowles, Curt R | 2016-01-27 |
| RR00120961 | Price, Gregory D | 2016-04-27 |
| RR00123581 | Mitchell, Eric D | 2016-07-30 |
| RR00126615 | Honda, David W | 2016-11-17 |
| RR00127770 | JOHNSON, BRENT A | 2017-01-04 |
| RR00130343 | Mumma, James M | 2017-03-24 |
| RR00130661 | alcantar, zachary j | 2017-04-04 |
| RR00131979 | Sherman, Brad J | 2017-05-16 |
| RR00139236 | Weissmann, Eric | 2018-01-06 |
| RR00140483 | Roman, Michael J | 2018-02-09 |
| RR00146460 | BODEN, THOMAS J | 2018-08-03 |
| RR00146946 | Zacher, Ellen G | 2018-08-15 |
| RR00152880 | Neuendorf, Johannes M | 2019-02-20 |
| RR00154008 | Matthews, Kendall | 2019-03-16 |
| RR00156230 | Manimtim, David | 2019-05-09 |
| RR00157599 | Mondoux, Thomas B | 2019-06-15 |
| RR00158108 | Bejarano, Ivan L | 2019-07-02 |
| RR00160105 | Kuo, Tzu Chin | 2019-08-27 |
| RR00165191 | Davis, Matthew T | 2020-01-22 |
| RR00169037 | Huffaker, Neil A | 2020-07-07 |
| RR00172760 | Barnes, Matthew S | 2021-02-19 |
| RR00173305 | McMahon, Andrew M | 2021-03-12 |
| RR00178081 | Velasco, Sally E | 2021-07-27 |
| RR00180110 | Lyxell, Jakob M | 2021-09-14 |
| RR00180132 | Porter, Jacob A | 2021-09-14 |
| RR00180144 | Cline, Nicholas R | 2021-09-14 |
| RR00185810 | Kesterson, Tyler C | 2022-02-05 |
| RR00190367 | Livingston, Jon B | 2022-05-17 |
| RR00192115 | Barton, Craig | 2022-06-22 |
| RR00197598 | Badrani, Mahmoud C | 2022-10-13 |
| RR00197712 | Tretheway, Jason L | 2022-10-15 |
| RR00198803 | Grosoli, Claudia | 2022-11-05 |
| RR00203432 | Hommel, Michael P | 2023-02-14 |
| RR00203970 | Cruz, Fidel A | 2023-02-24 |
| RR00203986 | Jenkins, Kevin G | 2023-02-24 |
| RR00207000 | Burkle, Nicholas D | 2023-04-26 |
| RR00207508 | Crivello, Michael A | 2023-05-05 |
