The Federal Communications Commission (FCC) has granted a total of 223 licenses and call signs in the category of Amateur license in Martinez, 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 |
|---|---|---|
| KK6DBW | Hagin, Andrew D | 2013-03-22 |
| KK6DHY | Toutjian, Tatyana N | 2013-03-28 |
| KK6EWX | Humphrey, Robert J | 2013-06-05 |
| KK6EZH | Lipman, Jakob S | 2013-06-12 |
| KK6FOO | CHIN, TRACEY A | 2013-07-19 |
| KK6GWU | Iverson, Brent A | 2013-10-17 |
| KK6IZV | Cassettari, Mark C | 2014-01-24 |
| KK6KGY | McGee, Edward | 2014-03-06 |
| KK6MOI | Walton, Nettie A | 2014-05-21 |
| KK6QPD | Tunison, Randy J | 2014-12-01 |
| KK6RQB | Beumer, Wayne F | 2015-01-30 |
| KK6SQT | Metz, Joseph | 2015-03-19 |
| | ||
| KK6SQU | Dickinson, John H | 2015-03-19 |
| KK6TVW | Aguilar, Jesus U | 2015-05-01 |
| KK6TWH | Deutsch, Shari K | 2015-05-01 |
| KK6UEN | WILHELM, LINDA J | 2015-05-19 |
| KK6UOI | Kritikos, Gus | 2015-06-04 |
| KK6UOQ | Aguilar, Phillip R | 2015-06-04 |
| KK6UQZ | Sutter, Carl D | 2015-06-11 |
| KK6VYZ | Record, Amelia Z | 2015-08-20 |
| KK6WFR | Blair, James D | 2015-09-01 |
| KK6WUY | Mortenson, Bryan G | 2015-10-05 |
| KK6YMO | Bituen, Samantha | 2015-11-09 |
| KM6APJ | RICHARDSON, HARRY I | 2016-02-19 |
| KM6AUY | Chanda, Nikolaus D | 2016-03-01 |
| KM6CXE | RICHARDSON, SHARI J | 2016-05-19 |
| KM6DES | Chew, Sedley E | 2016-06-01 |
| KM6DLU | Lopez, Tamera D | 2016-06-15 |
| KM6EOC | Riaunda, Ayore R | 2016-08-08 |
| KM6FMW | CURTIS, JAMES S | 2016-09-30 |
| KM6FNM | NISSEN, STEVE J | 2016-09-30 |
| KM6HXT | Arce, Ruben D | 2017-02-02 |
| KM6JDC | BAUMGARTNER, BARRETT K | 2017-03-13 |
| KM6LYS | Osborne, David M | 2017-07-27 |
| KM6NLC | SMITHWICK, JAMES E | 2017-10-24 |
| KM6NLD | SMITHWICK, MARISSA L | 2017-10-24 |
| KM6NSX | Baillie, Ryan B | 2017-10-31 |
| KM6POK | Thomas, Shannon S | 2018-01-22 |
| KM6QYC | Merrifield, Virginia | 2018-03-01 |
| KM6RGF | Owen, Catherine A | 2018-03-08 |
| KM6SQY | Barton, Joseph E | 2018-05-04 |
| KM6TAX | BARTON, THEODORE | 2018-05-14 |
| KM6TCC | RUIZ-TAGLE, PATRICIO | 2018-05-14 |
| KM6VKV | O'Gara, Chris | 2018-08-27 |
| KM6VKW | Hubbs, Nicholas A | 2018-08-27 |
| KM6WFL | CHAN, CLIFFORD L | 2018-10-18 |
| KM6WM | Anten, Earle G | 2013-05-07 |
| KM6YDC | Sumner, Alexander W | 2018-11-26 |
| KM6ZTJ | FLATT, JAMES A | 2019-02-15 |
| KM6ZVQ | SUHLING, JAMES W | 2019-02-19 |
| KN6ABP | Latham, David J | 2019-02-27 |
| KN6APF | Lowe, Nancy E | 2019-03-15 |
| KN6BGO | NEFF, KEVIN M | 2019-04-18 |
| KN6CGT | Dyche, David | 2019-05-29 |
| KN6DXC | Johnson, Christopher A | 2019-08-21 |
| KN6ERZ | Contra Costa Sheriffs Auxiliary Group | 2019-10-10 |
| KN6ETN | LANDINI, ALEXANDER R | 2019-10-11 |
| KN6FYK | Hanson, Brian J | 2019-11-25 |
| KN6GDJ | Vallee, Jennifer A | 2019-12-03 |
| KN6GDP | Zarate, Sheilah A | 2019-12-03 |
| KN6GDQ | Almonte, Carlomagno G | 2019-12-03 |
| KN6GQQ | Yokum, Jared D | 2020-01-06 |
| KN6GQR | Rossberg, Jared T | 2020-01-06 |
| KN6GZD | Crowley, Brynn | 2020-01-28 |
| KN6HLA | HIRSCH, DANIEL L | 2020-02-07 |
| KN6HLK | PADGETT, GARY W | 2020-02-07 |
| KN6HLL | RAMAMURTHY, HEATHER J | 2020-02-07 |
| KN6HQT | Johnson, Dean C | 2020-02-19 |
| KN6IJT | Taylor, Jason R | 2020-03-17 |
| KN6IJW | Blue, Richard R | 2020-03-17 |
| KN6IJZ | Simon, Aaron M | 2020-03-17 |
| KN6JIP | Junaid, Nader | 2020-06-19 |
| KN6JME | D'Annuzio, Steven P | 2020-06-25 |
| KN6JYM | KLINKNER, JAMES H | 2020-07-22 |
| KN6KKR | Ogden, James D | 2020-08-20 |
| KN6KVO | Rust, Michael | 2020-09-15 |
| KN6LDA | Ericson, Brent W | 2020-09-29 |
| KN6LLO | Yamada, Edward | 2020-10-15 |
| KN6LUY | Buresh, Kellie | 2020-10-29 |
| KN6MLJ | MORALES, DANIEL | 2020-12-03 |
| KN6NXP | Wendt, Mark R | 2021-03-17 |
| KN6OGH | Heinzer, Kathrin | 2021-04-05 |
| KN6PFK | Dahlund, Gerry L | 2021-06-09 |
| KN6PGA | Kosmakos, Chris R | 2021-06-11 |
| KN6SGJ | Stepp, Michael A | 2021-12-21 |
| KN6TOJ | Williams, Rhys | 2022-04-05 |
| KN6VLA | Bustin, Brian M | 2022-08-16 |
| KN6WEW | Ray, Christopher M | 2022-10-20 |
| KN6WHU | ONeill, Shiloh J | 2022-10-26 |
| KN6WKV | THOMAS, DARRYL H | 2022-11-08 |
| KN6WLI | Cooley, Chris | 2022-11-08 |
| KN6WWG | Bobrosky, Scott E | 2022-12-13 |
| KN6WZY | Mendieta, Fabian A | 2022-12-21 |
| KN6YWM | Richards, Lowell E | 2023-03-13 |
| KN6YYA | Lewis, Patrick A | 2023-03-15 |
| KO6JR | LIPSON, SAMUEL E | 2013-09-06 |
| KQ6HW | MURRY, MARK L | 2015-02-03 |
| N6AMH | MANSFIELD, JACK W | 2011-02-23 |
| N6BHX | Brunk, James L | 2017-02-03 |
| N6LFD | BAGINSKI, MARK E | 2004-06-28 |
