The Federal Communications Commission (FCC) has granted a total of 268 licenses and call signs in the category of Amateur license in Castro Valley, 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 |
|---|---|---|
| KM6UFP | Stutz, Johanna M | 2018-06-25 |
| KM6USZ | STOVER, BRADLEY A | 2018-07-23 |
| KM6VZN | Pang, Mona | 2018-10-03 |
| KM6WGS | SANDHU, KRRANVJR S | 2018-10-18 |
| KM6WOH | Worth, Eugene R | 2018-10-30 |
| KM6WSJ | Holland, Erika R | 2018-11-01 |
| KM6YEJ | Pang, Shuofeng | 2018-11-27 |
| KM6ZUP | REINCE, TYLER A | 2019-02-15 |
| KN6ABO | Jones, Bradley A | 2019-02-27 |
| KN6ASZ | Wilson, Roy C | 2019-03-22 |
| KN6BM | HICKERSON, MORRIS L | 2012-07-25 |
| KN6BO | HICKERSON, LORIE L | 2012-07-25 |
| | ||
| KN6DES | Gil, Alanna K | 2019-07-22 |
| KN6IWB | GEHLERT, ALEXANDER | 2020-05-18 |
| KN6IWT | Singh, Ramanpreet | 2020-05-19 |
| KN6JZF | Gallardo, Anthony N | 2020-07-22 |
| KN6KKL | Lyubimov, Dmitriy | 2020-08-20 |
| KN6KOP | MORARIU, SERGIO D | 2020-08-28 |
| KN6KVF | Fresquez, Anthony O | 2020-09-15 |
| KN6LLV | Pipkins, Jeffery M | 2020-10-15 |
| KN6MBH | Cavalieri, Steven | 2020-11-12 |
| KN6MKM | Vlahos, John | 2020-12-01 |
| KN6OIT | Goldwire Jr., Henry C | 2021-04-12 |
| KN6PMC | Dughi, Alec F | 2021-07-01 |
| KN6QGG | Joseph, Elizabeth K | 2021-08-27 |
| KN6QO | STEINER, LARRY F | 2013-09-12 |
| KN6QOS | Costello, Cass P | 2021-09-21 |
| KN6SZW | McHugh, William D | 2022-02-28 |
| KN6TEC | DUBOW, DEREK R | 2022-03-08 |
| KN6TKW | Moore, Michael S | 2022-03-23 |
| KN6VLI | Chandel, Shantnu | 2022-08-16 |
| KN6VRZ | Nguybles, Khai | 2022-09-07 |
| KN6WEK | Laurenzo, Richard A | 2022-10-20 |
| KN6YFM | MCKENZIE, EVAN | 2023-01-19 |
| KN6YJA | Zhong, Pan | 2023-01-27 |
| KN6YWE | Cristobal, Frank B | 2023-03-10 |
| KO6QV | CASTELL, ROBERT E | 2014-12-05 |
| N3XWY | JOSEPH, MICHAEL T | 2016-05-26 |
| N6GOH | NEWBERRY, KEN E | 2017-02-21 |
| N6HJY | PHILLIPS, RICHARD W | 2007-08-30 |
| N6IAY | BUDDS, FRANK C | 2014-05-02 |
| N6IPB | HERT, TERESA H | 2017-05-11 |
| N6NXV | SCOTT, PAUL H | 2017-03-30 |
| N6OBP | Robinson, Joseph E | 2016-04-05 |
| N6QAA | LIPKE, THEODORE J | 2010-11-12 |
| N6TRP | LAWLEY III, FREDERICK E | 2019-11-22 |
| N6UUB | CHAN, MICHELLE F | 2019-12-17 |
| N6WXE | ROELFSEMA, FRANCES | 2018-12-04 |
| W6FJO | LEWIS JR, EDWIN W | 2014-09-19 |
| W6JTM | OLDS JR, ALBERT R | 2006-05-11 |
| W6PDN | FERGUSON SR, JACK L | 2007-11-14 |
| W6RGG | Vallio, Robert B | 2017-07-28 |
| W6WAL | HORGAN, WILLIAM A | 2006-10-24 |
| W6YDA | ALLEN, ARTHUR E | 2007-09-27 |
| WA2RFR | PAGE, RALPH H | 2014-01-22 |
| WA6GZL | GOMES, HARRY | 2006-01-31 |
| WA6IMC | GOODSON, DAVID R | 2016-01-05 |
| WA6IVQ | HERT, DENNIS L | 2017-05-31 |
| WA6MBR | FINNERAN, LOLA I | 2006-07-25 |
| WA6UMB | WONG, VINCENT B L | 2012-07-12 |
| WB6CEL | MAGES, H R | 2015-08-11 |
| WB6COJ | CHUN, TOM B | 2016-08-03 |
| WB6DOQ | VON SIVERS, PETER J | 2014-09-18 |
| WB6IRE | LANDES, LARRY N | 2014-12-02 |
| WB6NAC | LIGHT, WILLIAM M | 2014-10-29 |
| WB6VJR | BRANT, CHARLES P | 2005-12-21 |
| WD6DAS | HAN, ALEX H | 2007-05-16 |
| WD6DAT | HAN, THERESA Y S | 2008-10-15 |
