The Federal Communications Commission (FCC) has granted a total of 437 licenses and call signs in the category of Amateur license in Los Altos, 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 |
|---|---|---|
| AA6PZ | ZANDER, PAUL A | 2017-10-13 |
| AA6TO | PARZONKA, GERHARD | 2020-03-09 |
| AA6UO | Melmon, Paul W | 2018-03-02 |
| AA6VZ | ENGLISH, LARRY L | 2010-04-14 |
| AB6AW | SCHWEHR, ROBERT F | 2010-12-15 |
| AB7DI | HUA, CHIWEI | 2014-04-21 |
| AC6GN | FU, ANDREW N | 2014-02-25 |
| AD6FP | LAUTERBACH, GARY R | 2018-04-19 |
| AD6HX | CARADONNA, FRANCIS X | 2017-03-06 |
| AD6KK | Busby, Bruce E | 2022-06-03 |
| AE6HI | McReynolds, Stephen P | 2011-03-26 |
| AE6WI | Myers, Richard C | 2015-12-01 |
| | ||
| AF6AH | Popkoff, Valerian | 2013-05-23 |
| AF6BW | Selle, Christina | 2016-12-10 |
| AF6M | TUCKER, BRETT A | 2020-06-26 |
| AF6MS | Kawana, Keiichi | 2018-08-08 |
| AF6UP | Menon, Padmanabhan K | 2019-05-23 |
| AF6ZD | Broberg, Richard J | 2020-08-10 |
| AF6ZM | Vercelli, Dario | 2020-08-04 |
| AG6JL | Depiante, Eduardo | 2012-02-21 |
| AG6WC | RORDEN, PETER A | 2013-09-24 |
| AG6XS | Robbins, Matthew | 2013-10-22 |
| AI6FI | Katin, Neil | 2014-11-06 |
| AI6YS | Uppal, Sanjay | 2017-08-09 |
| AJ6OK | Chen, Alexander Y | 2020-01-29 |
| K1JH | FENTON, JAMES L | 2018-02-13 |
| K2SYW | Jeffery, Stuart S | 2014-05-17 |
| K6BYL | Grigsby, John L | 2006-01-17 |
| K6COL | Lynch Jr, Thomas A | 2016-05-09 |
| K6GAP | ROGERS, IRA B | 2005-09-07 |
| K6HWJ | TEAGUE, CALVIN C | 2006-12-27 |
| K6IPM | CHILDS, ALAN B | 2014-03-19 |
| K6LWT | PRATT, DAVID B | 2014-05-03 |
| K6PCF | NURMELA, GEORGE E | 2006-03-30 |
| K6QEK | MC VERNON, JAMES H | 2005-07-12 |
| K6RVN | MARKS, RONALD S | 2016-02-10 |
| K6TMB | BEAUDET, LOUIS J | 2015-10-13 |
| K6ZN | Winkelman, Richard E | 2017-12-06 |
| KA6OVT | STARKEY, MARIAN M | 2016-03-08 |
| KA6PLO | HALBERSTADT, HARRY J | 2005-08-31 |
| KA6SQI | RAWLINSON, ROSA L | 2005-03-10 |
| KA6UIM | GOLDENBERG, STEVEN M | 2016-08-24 |
| KA9HRL | MOORE, WILLIAM H | 2021-07-09 |
| KB6AVB | EARL, JOHN A | 2009-04-11 |
| KB6BKD | Lindsay, Lyle T | 2008-07-14 |
| KB6CRF | COLAIZZI, ROBERT | 2004-04-21 |
| KB6GXW | DE KLEER, JOHAN | 2017-08-15 |
| KB6LYU | KILNER, FREDERICK W | 2017-02-07 |
| KB6ODF | LAI, ALLYN M | 2016-06-24 |
| KB6PKM | PRINCE, JAMES B | 2017-09-19 |
| KB7SBL | SMITH, BRIAN E | 2023-03-07 |
| KC6CNW | VANDER AAR, JOHN A | 2018-09-14 |
| KC6FGM | HILLS, MATTHEW D | 2019-10-18 |
| KC6JXY | CALHOUN, NANCY G | 2011-04-19 |
| KC6VHK | SHAW, PATRICIA J | 2012-03-31 |
| KC6YSF | JOHNSON, DAVID W | 2011-04-21 |
| KC6ZUE | HUANG, EDWARD | 2021-07-20 |
| KC7JCT | HICKS, JOSEPH A | 2005-02-17 |
| KD3SN | BRUNTON, DANIEL K | 2012-01-25 |
| KD6ARS | SWAZEY, SCOTT T | 2021-08-13 |
| KD6GPD | MAHOWALD, JULIE R | 2022-08-16 |
| KD6JKM | KVINGEDAL, SEAN B | 2002-04-03 |
| KD6LHI | MARSHALL, HERB J | 2013-11-06 |
| KD6OCC | SCHULZ, RAINER | 2012-07-25 |
| KD6RXD | BENES, DAVID G | 2014-02-11 |
| KD6SOJ | SMITH, THOMAS W | 2012-11-27 |
| KD6VZO | ELLIS, DAVID J | 2013-04-08 |
| KD6ZEP | GASS, LINDA I | 2004-02-20 |
| KE6AGJ | CARR, LAWRENCE W | 2013-08-06 |
| KE6EEX | RITER, BRUCE D | 2013-10-17 |
| KE6EFF | Shahbazian, Matthew | 2013-12-10 |
| KE6KHS | KIM, IVAN H | 2015-09-02 |
| KE6LVN | FOSSOURIER, JOEL | 2004-08-03 |
| KE6SW | NORTON, ROBERT J | 2006-09-14 |
| KE6TFZ | Melugin, Ramsey K | 2015-03-20 |
| KE6TGA | NEUMANN, HANS D | 2005-01-28 |
| KE6TVD | MAXIMOFF, ROBERT H | 2005-03-10 |
| KE6UZM | CHANG, BETTY O | 2015-06-03 |
| KE6WXF | ARTZ JR, GEORGE W | 2016-11-08 |
| KE6YHF | MANDLE, GARY B | 2015-07-07 |
| KE6ZOW | DUNCAN, KAREN A | 2015-11-02 |
| KF6CEY | MATHISEN, MARK R | 2016-02-03 |
| KF6DXO | WAGNER, EDWARD M | 2006-02-22 |
| KF6FXN | CHIN, ROBERT M | 2016-07-15 |
| KF6LSH | CARADONNA, THOMAS M | 2017-05-03 |
| KF6NND | CARADONNA, MICHAEL A | 2018-01-11 |
| KF6SDD | Ladner, MARY S | 2010-01-05 |
| KF6SXR | GABRIELSON, CARL O | 2008-06-25 |
| KF6VKL | HOCKETT, BARBARA J | 2009-01-09 |
| KF6WCH | IVEY, MARK | 2019-06-29 |
| KG5ZYV | MCMILLIN, BROOKS A | 2018-05-24 |
| KG6AYU | Alimonda, Frank A | 2010-02-23 |
| KG6CHU | SMITH, MARJORIE A | 2010-04-30 |
| KG6CNX | Moerner, Daniel E | 2010-04-27 |
| KG6CWB | McCabe, James G | 2020-07-07 |
| KG6DQR | SEEMAN, JOHN T | 2022-03-04 |
| KG6DWP | Baldwin, Thomas R | 2012-09-24 |
| KG6GLV | Narayanaswamy, Shankar | 2011-07-21 |
| KG6GRQ | Nguyen, Truong Q | 2011-03-23 |
| KG6GRX | Boore, Judith A | 2011-03-17 |
