The Federal Communications Commission (FCC) has granted a total of 64 licenses and call signs in the category of Amateur license in El Sobrante, 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 |
|---|---|---|
| AA6LF | SALMON, STEPHEN R | 2004-01-21 |
| KB6RPV | BARNETTE, MILTON H | 2016-12-27 |
| KB6TZX | PENDERGRASS, MARINA C | 2007-06-07 |
| KC6DHQ | BORENSTEIN, BERNARD M | 2019-04-09 |
| KC6VLX | ROBERTS, DOUGLAS C | 2011-03-31 |
| KD6EGY | PHILLIPS III, GEORGE H | 2012-12-06 |
| KD6OKJ | Grazer-Robinson, BARBARA A | 2013-01-08 |
| KD6UL | TAFT, RICHARD M | 2018-07-03 |
| KD6ZIP | PERRY, CHRISTIAN J | 2014-01-22 |
| KE6DVS | BEAR, EDWARD J | 2013-10-30 |
| KE6DXW | POLK, JOLENE E | 2013-09-24 |
| KE6ETZ | LANIER, KAREEM J | 2003-10-28 |
| | ||
| KE6SZG | NELUMS, ROGER A | 2015-03-19 |
| KF6CTE | FOWLER, BRUCE A | 2016-07-22 |
| KF6IOW | LOK, DORIS D | 2007-02-06 |
| KF6JBK | MAOZ, SAAR | 2017-05-03 |
| KF6MVH | NIEMAN, ADRIANA M | 2017-04-17 |
| KG6VLX | Nowell, Linda C | 2014-05-02 |
| KG6VLY | NOWELL, KEITH E | 2014-04-01 |
| KG6VRM | Pepino, Gregory M | 2014-06-26 |
| KI6COW | Smeder, Christopher A | 2006-02-16 |
| KI6ELP | BIOCCA, JESSICA M | 2018-06-07 |
| KI6JJW | Bjork, S. | 2017-04-25 |
| KI6OMH | Latimer, Ward W | 2008-02-11 |
| KI6QQS | CASTILIO, MICHAEL S | 2008-05-22 |
| KI6QQY | DAHM, BRIAN K | 2018-04-11 |
| KI6UKC | Young, David F | 2008-11-19 |
| KJ6ETG | ULLREY, JAMES C | 2010-01-13 |
| KJ6ETV | West County Cert Network | 2010-01-13 |
| KJ6FOQ | Taylor, Jacob F | 2019-12-31 |
| KJ6JIS | Alsing, Alan S | 2010-06-28 |
| KJ6KOU | MAOZ, NIR | 2020-10-02 |
| KJ6ULW | Rogers, Steve T | 2012-02-22 |
| KJ6WSZ | Kauble, Larry W | 2012-05-22 |
| KJ6WTL | Thibault, Lawrence R | 2022-06-24 |
| KJ6ZJJ | Swarens, Alice G | 2012-08-21 |
| KK6BDM | LEW, DAVID | 2012-11-30 |
| KK6CFU | Ferguson, Steven A | 2013-02-05 |
| KK6EOA | Stewart, Steven W | 2013-05-17 |
| KK6JNI | Johnson, Robert C | 2014-02-06 |
| KK6KRB | Kranzler, Scott K | 2014-03-20 |
| KK6OOG | Harwood, Jake A | 2014-08-20 |
| KK6OXY | Merrell, Jacob P | 2014-09-17 |
| KK6PSL | Kim, Jinwon | 2014-10-30 |
| KK6UKC | ANDERSON SR, RICHARD A | 2015-05-28 |
| KK6WTC | LEE, JERRY | 2015-10-02 |
| KK6WTZ | YAP-LEE, LISA M | 2015-10-02 |
| KM6BJT | Dongallo, Ricardo J | 2016-03-24 |
| KM6NKS | ROSENBAUM, DAVID L | 2017-10-24 |
| KM6PJW | Gonzales, Daniel S | 2018-01-02 |
| KM6PUO | Baron, Joel | 2018-01-31 |
| KN6ESO | BASTIAN, JOSHUA S | 2019-10-11 |
| KN6FYJ | Oleari, Kenoli | 2019-11-25 |
| KN6LAL | Slaymaker, John | 2020-09-24 |
| KN6LKB | Friedman, Shayna R | 2020-10-14 |
| KN6WKX | Beard, Dominic | 2022-11-08 |
| N6MNL | Robinson, Robert L | 2013-06-15 |
| N6NG | JACOBSON, DENNIS E | 2022-06-15 |
| N6UMG | BRYANT, LAYTON M | 2008-07-17 |
| N6VIF | WATSON, EDGEL L | 2009-02-12 |
| W6SHP | Sodja, Howard L | 2017-12-05 |
| WA6FNP | CROSS, WILLIAM A | 2008-02-01 |
| WA6HZA | WHITELEY, WILLIAM A | 2008-07-22 |
| WB6CUS | THOR, HOWARD A | 2004-07-29 |
