The Federal Communications Commission (FCC) has granted a total of 82 licenses and call signs in the category of Amateur license in San Lorenzo, 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 |
|---|---|---|
| AE6VB | Rotor, Manolito M | 2015-03-26 |
| AG6HJ | Patten, Deborah K | 2021-08-02 |
| AG6XQ | Barnard, Leo A | 2013-12-20 |
| K6EAG | HAYWARD RADIO CLUB | 2022-06-07 |
| K6TYF | Mackinnon, John C | 2015-01-30 |
| KB6OGH | HENDERSON, JEFFREY G | 2006-08-21 |
| KC5TJA | FALVO II, SAMUEL A | 2018-03-06 |
| KD6BXR | SCHNEIDER JR, KENNETH P | 2021-08-17 |
| KD6FFQ | WILKINSON, JOHN G | 2015-03-03 |
| KD6FGL | GOMES, PAUL W | 2012-02-13 |
| KD6GVX | TOCI, ORVILLE T | 2022-03-03 |
| KD6RPC | CAVALIERI, MICHAEL C | 2012-12-10 |
| | ||
| KD6TMW | ECHEAGARAY, MANUEL | 2013-01-29 |
| KE6BQD | CUTINO, PHILIP G | 2013-08-14 |
| KE6HCD | PADILLA, JUAN E | 2014-06-17 |
| KE6HDN | LITTLE, EDWIN J | 2004-02-24 |
| KE6OTU | FRANCIS, THOMAS E | 2014-10-24 |
| KE6QIH | RODRIGUEZ, RICHARD | 2004-10-28 |
| KE6QII | SACATROPEZ, RONNIE A | 2014-11-19 |
| KE6WEE | SACATROPEZ, JOE A | 2005-05-02 |
| KF6UIO | BELLEFEUILLE, BRIAN P | 2018-12-17 |
| KF7UIC | McNINCH, CRAIG A | 2022-11-08 |
| KG6DFD | TRUEX, WESLEY C | 2020-06-23 |
| KG6HYY | PIASTRELLI JR, RALPH D | 2021-07-08 |
| KH7HM | Mackinnon, Marilyn A | 2015-01-30 |
| KI6IQV | Chan, Aaron J | 2007-03-27 |
| KI6JLR | PETERS, EUGENE W | 2017-03-07 |
| KI6RRU | Irwin 481, Michael V | 2018-05-31 |
| KI6TZF | Comer, Michael S | 2018-09-14 |
| KJ6CZO | HORNBACK, DAN L | 2009-10-22 |
| KJ6NGZ | Marr, Douglas W | 2021-02-19 |
| KJ6POQ | LAMBERT, JAMES W | 2021-03-25 |
| KJ6VWG | Patten, Kent L | 2022-02-15 |
| KJ6VZP | Basta, David M | 2012-04-27 |
| KJ6WNW | Dumaop, Raymundo A | 2012-05-10 |
| KJ6WNX | Dumaop, Armando A | 2012-05-10 |
| KJ6YWP | James, Kreig S | 2012-07-20 |
| KJ6YWQ | James, Robin L | 2012-07-20 |
| KK6EOB | Tam, Sau M | 2013-05-17 |
| KK6EZK | Voong, Kevin L | 2013-06-12 |
| KK6EZU | POUARD, ROBERT S | 2013-06-13 |
| KK6FGH | Gilmore, James M | 2013-06-28 |
| KK6IBQ | Szeto, Pamela L | 2013-11-25 |
| KK6LAA | Izaguirre, Luis G | 2014-04-04 |
| KK6LUW | MONSOR, STEPH C | 2014-04-30 |
| KK6ONR | Hopkins, Mehagan S | 2014-08-18 |
| KK6PBQ | HONG, ALEX M | 2014-09-25 |
| KK6PCH | MORIMOTO, GLENN M | 2014-09-25 |
| KK6PSP | Maxwell, Jordan A | 2014-10-30 |
| KK6SVJ | Williamson, John S | 2015-03-23 |
| KK6ZIW | Streeter, John E | 2015-12-10 |
| KM6DXA | Gonzales, Steven A | 2016-07-13 |
| KM6EAN | Fobroy, Brian L | 2016-07-19 |
| KM6HIB | Manalac, Miguel S | 2016-12-27 |
| KM6HJA | Oliveira, Michael A | 2016-12-29 |
| KM6LRC | Galvan, Edward D | 2017-07-18 |
| KM6LV | BAIRD, MICHAEL T | 2011-09-27 |
| KM6MDB | Wong, Jessica | 2017-08-08 |
| KM6SFN | Oliveira, Emily R | 2018-04-18 |
| KM6VYU | CARLEN, JEFF M | 2018-10-03 |
| KN6EWT | Hoaglan, Marshall | 2019-10-17 |
| KN6JZD | Essinger, Raymond L | 2020-07-22 |
| KN6KBR | PATRICIO, DANIEL G | 2020-07-28 |
| KN6OKO | Harris, Jason C | 2021-04-12 |
| KN6PFU | Sturm, Paul T | 2021-06-11 |
| KN6PFZ | Galvan, Stephan J | 2021-06-11 |
| KN6WQY | Denton, Daniel | 2022-11-23 |
| KQ6TN | MENEZ, BLAISE B | 2016-04-19 |
| KQ6YG | ARELLANO, RODEL A | 2013-12-02 |
| N6JRF | MELVILLE, JOHN T | 2003-12-16 |
| N6MON | TAYLOR, TERENCE E | 2015-05-27 |
| N6MQQ | TAYLOR, DEBRA L | 2021-02-09 |
| N6ZGO | ABERLE, EDUARDO M | 2012-02-15 |
| N6ZPH | BUFETE, AUDAX T | 2011-08-16 |
| W6BKF | NEGLEY, MAURICE H | 2007-02-22 |
| W6MXI | ROACH, GILBERT M | 2015-02-03 |
| W6TUN | Van Gundy, Edwin A | 2004-02-27 |
| W6ZSS | GAVELLO, HAROLD E | 2007-09-05 |
| WA6QPA | ST ANDRE, CLARENCE J | 2004-02-27 |
| WB6FVV | BOWEN, JERRY M | 2004-11-23 |
| WB6KAL | BROWN, GREGORY K | 2018-05-25 |
| WD6EVM | Bly, David C | 2008-01-11 |
