The Federal Communications Commission (FCC) has granted a total of 178 licenses and call signs in the category of Amateur license in Walnut, 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 |
|---|---|---|
| AC2SC | Folla, Alfredo | 2016-03-21 |
| AE6IY | MILLER, DONALD A | 2013-02-19 |
| AG5KA | MU, XINYU | 2017-05-10 |
| AG5WX | LIANG, YU | 2019-10-04 |
| AG6GY | Lovering, Jon A | 2011-09-22 |
| AG6ND | Wheelhouse, Duncan E | 2012-06-12 |
| AJ6BI | Latini, Patricio S | 2018-02-09 |
| AJ6LV | Davis, Michael | 2019-09-10 |
| KA6QGD | WILLIAMS, NAT | 2005-12-29 |
| KA6TYA | MC GRATH, PATRICIO C | 2017-08-09 |
| KB1QEF | RIGGLE, KEVIN A | 2019-09-10 |
| KB1RMI | TU, JENNIFER | 2019-08-14 |
| | ||
| KB2WNE | YEH, HSIJEN J | 2015-09-26 |
| KB6CHV | TAGAWA, DON K | 2018-11-01 |
| KB6EOJ | SMITH, NEAL G | 2004-12-14 |
| KB6OTH | OKADA, GEAN J | 2016-10-26 |
| KB6PBJ | OLDHAM, DIANE E | 2016-12-24 |
| KB6VEH | LEE, KI DONG | 2011-02-07 |
| KB9WNE | Low, Sarah B | 2021-05-05 |
| KB9WNF | Low, Elijah E | 2021-05-05 |
| KC2HDG | LANSING, LAWRENCE S | 2010-08-26 |
| KC6LUL | KIM, GIL H | 2012-03-06 |
| KC6MVW | CUSTODIO, EDUARDO V | 2012-07-31 |
| KC6TDT | FLORES, STEVEN | 2021-02-12 |
| KD6APQ | RODRIGUEZ, VIRGILIO A | 2011-09-09 |
| KD6APS | RODRIGUEZ, EVANGELINA M | 2011-09-09 |
| KD6JJW | ROBINSON, JAMES A | 2012-03-05 |
| KD6LCK | MANUSIA, MICHAEL J | 2004-06-04 |
| KD6PCA | YOUNG JR, EDWARD M | 2012-08-27 |
| KD6QCP | MARLOW, PAUL | 2023-05-02 |
| KE5HED | Shrivastava, Aditya | 2016-07-30 |
| KE5NDW | Knittig, Lance | 2019-01-31 |
| KE6CKD | SCOTT, ALFRED | 2013-07-10 |
| KE6FLW | SMITH JR, JESSE A | 2014-01-02 |
| KE6GSA | LIQUE, ROY E | 2004-01-14 |
| KE6IWN | TSAI, YAOWEN S | 2015-01-08 |
| KE6LXH | SCOTT SR, KELLY E | 2014-09-03 |
| KE6PMB | HOFF, DAVID C | 2014-10-06 |
| KE6QEA | SMITH, VELMA M | 2014-12-09 |
| KE6QXC | HARVEY, DONALD A | 2014-11-10 |
| KE6RPQ | WONG, WENDI M | 2015-01-23 |
| KE6RPU | WONG, TRENT | 2015-01-23 |
| KE6TZF | SUNSET RIDGE REPEATER GROUP | 2015-03-02 |
| KE6WLC | MC DONALD, WILLIAM J | 2005-10-25 |
| KE6WLD | MC DONALD, THOMAS M | 2005-05-19 |
| KE6ZZX | DENGLER, MELINDA R | 2016-09-09 |
| KE7EF | BEDICHEK, ROBERT C | 2014-10-30 |
| KE7OAG | Beckwith, Jared W | 2017-04-04 |
| KE7RPV | Egan, Jacob T | 2019-02-06 |
| KF6CJZ | NAJARRO, THEODARICOJ | 2012-09-05 |
| KF6EZM | COBARRUBIAS 576, ROBERTO M | 2016-08-30 |
| KF6FLR | CARVER, MATTHEW D | 2016-07-06 |
| KF6GPR | MCFALL, CHAD D | 2017-09-26 |
| KF6HMW | LEONG, LOUIS L | 2016-09-23 |
| KF6IST | RODRIGUEZ, VERNA M | 2016-11-18 |
| KF6ITG | RODRIGUEZ, VERLYNN J | 2007-01-25 |
| KF6LU | BUZA, ANDREW J | 2021-01-06 |
| KF6MAO | RODRIGUEZ, GABRIEL E | 2017-04-07 |
| KF6MVM | CHUANG, ANDREW H | 2017-06-13 |
| KF6QOL | CHALLEN, ALVIN S | 2018-04-27 |
| KF6QWW | RODRIGUEZ, VERONICA A | 2018-04-11 |
| KF6RDJ | AGALSOFF, JOEL J | 2008-05-01 |
| KF6YTM | Sun, Katherine M | 2019-08-03 |
| KF6YUI | Leung, Kris D | 2019-08-03 |
| KG6CJZ | WILSON, JENNIFER J | 2010-07-02 |
| KG6CMC | So, Evan L | 2020-04-24 |
| KG6HWX | Yu, Ku H | 2011-09-08 |
| KG6HWY | Yu, Eun Young | 2011-09-08 |
| KG6VNB | Marsh, Gary L | 2014-03-27 |
| KG6ZMY | Helberg, Ana D | 2015-05-30 |
| KG6ZMZ | Schumperli, Jorge S | 2015-04-14 |
| KG7BUF | McKee, Patrick H | 2013-03-06 |
| KG7TUJ | Menezes, Tyler M | 2015-05-26 |
| KI6ASH | STELLHORN, SKIP | 2015-09-11 |
| KI6EBX | Stanger, Victoria A | 2006-05-31 |
| KI6EBZ | Spencer, Jill C | 2016-03-09 |
| KI6ECO | Gallaugher, Della J M | 2016-04-26 |
| KI6EDB | Cheng, Chin Bang | 2016-07-22 |
| KI6EXE | CHEUNG, JEROME C | 2006-07-27 |
| KI6GTJ | BUJER, DANIEL | 2016-09-21 |
| KI6JVX | Iyer, Kiran E | 2017-08-10 |
| KI6KEY | Severt, Richard H | 2017-03-23 |
| KI6OWJ | Tsai, John C | 2018-07-10 |
| KI6OWL | Van Gorder, Jeff A | 2018-01-11 |
| KI6PZE | Holte, Kirby C | 2008-04-25 |
| KI6QMT | Del Banco, Ronan N | 2008-05-16 |
| KI6VSW | WALKER, BRIAN D | 2020-10-14 |
| KI6YCC | Higham Jr, Thomas R | 2019-01-31 |
| KJ6BFF | TUPPER, SUSAN R | 2009-07-22 |
| KJ6HIR | Switzer, Susan D | 2010-04-27 |
| KJ6IAR | WILSON, TONI S | 2010-05-24 |
| KJ6LVS | Nelson, Daniel C | 2020-10-22 |
| KJ6NNF | Brighton, Robert A | 2011-03-29 |
| KJ6ODA | BAGBY, CHARLES R | 2011-04-20 |
| KJ6PCJ | McCammon, William C | 2021-05-18 |
| KJ6PZK | Slater, Vivian C | 2011-07-06 |
| KJ6RNX | Kvist, Cristoffer | 2011-10-04 |
| KJ6VEH | Yu, Cody M | 2012-03-23 |
| KJ6VPP | Tan, Jean J | 2012-04-10 |
| KJ6WCK | MIONI, CHRISTOPHER | 2022-04-21 |
