The Federal Communications Commission (FCC) has granted a total of 345 licenses and call signs in the category of Amateur 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 |
|---|---|---|
| AC0FW | Hegazi, Gamal M | 2016-12-06 |
| AC6ZI | KNAPP, RANDALL G | 2016-08-08 |
| AE6IB | Porter, William R | 2012-05-17 |
| AF6IS | EHN, MICHAEL C | 2006-12-13 |
| AF6NO | Fujie, Shuji | 2008-09-25 |
| AG6IU | Beck, Kerrol T | 2010-08-30 |
| AH8AD | BURTON, LIONEL G | 2007-09-13 |
| AI6RT | Dizon, Patrick B | 2014-06-09 |
| K6KUY | RYMER, ALAN A | 2006-11-08 |
| K6LKW | COOLEY, JOHN D | 2007-12-18 |
| K6STI | BEEZLEY, BRIAN W | 2020-01-08 |
| K6VXJ | MARTIN, TONY A | 2014-02-08 |
| | ||
| K7REL | CONWAY, THOMAS P | 2013-06-18 |
| KA1BSK | ESTERHILL, LORRAINE A | 2012-08-27 |
| KB1NEI | Luchini II, Stephen G | 2016-09-01 |
| KB6NUL | Toro, Albert F | 2020-05-12 |
| KB6RV | Bowers, Frank J | 2006-05-09 |
| KB6TWT | CASILLAS, MARCOS A | 2018-04-24 |
| KB6VME | Edenson, Steven P | 2019-03-19 |
| KB6YNL | Elder, William J | 2017-12-29 |
| KC0OVU | Kruse, Dalen D | 2013-03-09 |
| KC5JGH | RIVERS, CHARLES E | 2014-06-03 |
| KC5UMP | GAMEZ, DANIEL | 2017-04-06 |
| KC6OVG | CAIN, RONALD J | 2010-08-09 |
| KC6UHH | BROWN, DEBORAH D | 2021-04-15 |
| KC6VXY | Kearey Jr, Edward | 2013-02-11 |
| KC6WAN | Powell, Ralph E | 2011-03-21 |
| KC7JZC | MARCUS, MARC C B | 2005-04-01 |
| KC7PZL | SWAN, MARVIN A | 2016-01-05 |
| KD5LEC | SCALLAN JR, PAUL D | 2013-08-14 |
| KD6EFI | MC CLELLAN, SCOTT G | 2013-03-06 |
| KD6OFR | CUTLER, GREGORY A | 2012-08-02 |
| KD6YZT | DONHAM, JEFFREY L | 2013-07-03 |
| KE6BVU | PORTACIO, SANIELITO C | 2013-08-20 |
| KE6CJQ | MOORE, WILLIAM A | 2013-09-13 |
| KE6DJR | MERRIAM, ROBERT S | 2014-02-04 |
| KE6DLF | CREASE, JOHN | 2003-08-21 |
| KE6DQZ | Page, Thomas C | 2016-07-07 |
| KE6GSK | MERRELL, LORIE C | 2004-05-03 |
| KE6KNP | SUMMERS, CURT J | 2014-06-03 |
| KE6NAP | ANTHONY, KARL R | 2014-10-02 |
| KE6PHH | HADLEY, DENNIS E | 2004-12-21 |
| KE6RNU | SUNSERI, STEPHEN A | 2005-09-07 |
| KE6SQJ | PACKARD, FORREST L | 2005-10-12 |
| KE6VJH | Pearce, Stephen C | 2015-10-19 |
| KE6VK | BUNNELL, PAUL C | 2006-10-20 |
| KE6XL | ILES, KENNETH J | 2018-06-08 |
| KE6ZHS | PARMENTER, RUSSELL A | 2005-11-01 |
| KE6ZQQ | CASALE, SCOTT J | 2015-10-06 |
| KE7CYF | VALENTINE, LISA E | 2020-08-20 |
| KF6FKT | DECKER, STEPHANIE A | 2016-06-21 |
| KF6RAC | VELAYUDHAN, NIRMAL | 2020-01-31 |
| KF6SMB | Davis, Rodney F | 2018-06-06 |
| KF6VPI | HILLIER, SCOTT R | 2020-04-14 |
| KF7ITM | Hopkins, Aubree G | 2020-01-24 |
| KG6AQZ | Mc Devitt, Thomas W | 2020-01-06 |
| KG6DGI | Rosen, Kevin W | 2020-09-15 |
| KG6HBG | Kocherhans, Kenneth W | 2021-08-02 |
| KG6HHL | Gazzaneo, David | 2011-05-05 |
| KG6MBY | Sanchez, Arnel P | 2012-04-04 |
| KG6MDB | STONE, JAY K | 2022-06-29 |
| KG6MDO | Beus, Caroline L | 2012-05-30 |
| KG6QGR | Restrepo, Edgar J | 2013-10-31 |
| KG6RKZ | LAVERY, STEPHEN A | 2013-04-26 |
| KG6RLA | RODRIGUEZ, BENEDICTO A | 2013-04-26 |
| KG6RPY | Goodfellow, Aaron E | 2013-05-16 |
| KG6WWX | Aguilar, Crystal | 2015-01-06 |
| KG6YWC | Sunderland III, Daniel W | 2015-03-12 |
| KG6ZBG | Bernsen, Deborah E | 2005-04-19 |
| KI4MZA | Swenson, Ken A | 2015-10-21 |
| KI6AGZ | Smith, Gary S | 2015-06-17 |
| KI6ALJ | San Marcos High School Amateur Radio Club | 2005-08-24 |
| KI6AOK | Quarantiello, Laura | 2015-08-18 |
| KI6BIH | McQuestion, Shea W | 2015-08-18 |
| KI6BPM | Belt, David S | 2005-11-28 |
| KI6BXR | Allard, Casey T | 2006-01-03 |
| KI6DIX | Bradley, Vicki A | 2006-04-12 |
| KI6EON | Scofield, John T | 2006-06-26 |
| KI6FHX | Reed, Dana B | 2016-08-30 |
| KI6FVE | Hayes, Daniel P | 2006-10-13 |
| KI6FVL | Allen, Kenneth R | 2006-10-13 |
| KI6FVQ | Rios, Anthony F | 2006-10-13 |
| KI6FVS | Dorny, Christopher M | 2016-08-18 |
| KI6FVX | Nair II, Ralph K | 2006-10-13 |
| KI6HFK | URAN, JENTRY N | 2007-01-11 |
| KI6JKA | Papa System Inc | 2017-05-01 |
| KI6JOK | Smith, Gregory M | 2017-03-14 |
| KI6KQU | PAPA System In | 2017-05-02 |
| KI6LBD | ENSLEY II, CLIFFORD L | 2017-05-16 |
| KI6LEX | Aguilar, Melody | 2007-07-30 |
| KI6LRX | Smith, Melinda E | 2017-07-04 |
| KI6MGN | Pocket Auto Patch Association | 2017-08-01 |
| KI6PKQ | Davis, Richard A | 2008-03-31 |
| KI6PKS | Neff, Gerald M | 2008-03-31 |
| KI6PLJ | Allen, George R | 2018-01-02 |
| KI6PLL | Welborne Jr, Darryl L | 2008-03-31 |
| KI6PXN | Anderson 679, Jonathan M | 2008-04-24 |
| KI6QMD | Steinert, Paul A | 2008-05-16 |
| KI6SAV | Jeffrey, Cynthia A | 2018-06-06 |
| KI6SBE | Bizzarro, Joseph L | 2018-05-24 |
