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 |
|---|---|---|
| W6TDK | Deacon, Herbert C | 2004-03-26 |
| W6TOE | CLARK, HAROLD V | 2004-04-17 |
| W6ZGA | MALM, ROBERT S | 2016-03-31 |
| W7WPO | JONES, EDWIN R | 2015-01-06 |
| WA6ERV | NELSON JR, THOMAS J | 2004-10-26 |
| WA6HCW | WATSON, THOMAS S | 2015-07-09 |
| WA6HRK | Taleporos, Apollo D | 2004-03-26 |
| WA6ISX | LICHT, HARLEY D | 2012-10-29 |
| WA6IXT | SHORES, HUBERT A | 2004-07-07 |
| WA6NXZ | POSTMAN, MONROE H | 2007-11-15 |
| WA6PVM | IUFER, ERNEST J | 2005-07-19 |
| WA6QNS | LICHT, HILDY A | 2012-10-29 |
| WA6TJX | RICCI, DAVID W | 2014-04-01 |
| WA6UUT | HAMER, ARVID E | 2006-06-22 |
| WA6VYT | GARLAND, HARRY T | 2014-09-12 |
| WA6WGT | ELMAN, CHARLES L | 2014-07-01 |
| WA6WOA | ROWE, PETER T | 2015-06-10 |
| WA7NRE | YAMAMOTO, DENNIS | 2010-01-16 |
| WB0JDU | KERSTEN, TERESA E | 2005-09-14 |
| WB6AAE | GRIZZLY PEAK VHF AMATEUR RADIO CLUB | 2015-12-29 |
| WB6AYN | NEWLANDER, ROGER A | 2014-07-30 |
| WB6CLS | KIRK, ANDREW J | 2018-05-24 |
| WB6JXU | MELEN, ROGER D | 2014-07-08 |
| WB6MJA | Hiramatsu, Yukio | 2004-04-22 |
| WB6MJD | Sheldon, William C | 2014-04-05 |
| WB6MPT | HENINGER, ANDREW G | 2015-05-27 |
| WB6QGL | TAN, FABER | 2014-11-13 |
| WB6RZC | BRISTOW, STEPHEN D | 2008-05-28 |
| WB7COG | LEONG, RAYMOND M | 2021-04-24 |
| WB9NXY | Oberhart, Michael L | 2017-10-11 |
| WD6CNY | CASTELLACCIO, VITO A | 2014-11-14 |
| WD6GIK | WOODARD, WILLIAM L | 2007-03-06 |
| WF6T | BAER, RICHARD L | 2015-12-22 |
| WN6I | Moerner, William E | 2015-12-01 |
| WQ1K | GILMOUR, DAVID L | 2020-12-16 |
| WQ6Q | KENNEDY, JOSEPH S | 2015-10-13 |
| WS6I | LANGE, JEFFREY M | 2013-06-27 |
