The Federal Communications Commission (FCC) has granted a total of 49 licenses and call signs in the category of Amateur license in Discovery Bay, 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 |
|---|---|---|
| K6UUU | ALEXANDER, FRANK S | 2016-10-08 |
| K6YIM | Howard 634, John K | 2021-03-23 |
| KC6BML | HANSET, LEONA S | 2012-06-01 |
| KC6VCN | GEORGES, WILLIAM D | 2011-07-12 |
| KE6IZU | HARRY, ADAM D | 2015-07-11 |
| KE6WCL | Friesen, Gilbert E | 2005-05-06 |
| KE6ZCC | SCOGGIN, PATRICK B | 2015-08-25 |
| KE9SP | KAHILAINEN, JUKKA O | 2009-11-03 |
| KF6HDD | Francis, Oli S | 2016-10-22 |
| KF6HDF | FRANCIS, CYNTHIA C | 2006-10-31 |
| KF6NLS | BIRON, DORIS M | 2017-08-22 |
| KF6NLT | BIRON, DAVID A | 2017-08-22 |
| KF6XQ | SMITH, GERALD L | 2016-10-25 |
| KG6IOK | Young, Danny A | 2013-03-23 |
| KG6WIU | Moorehead, George E | 2014-07-12 |
| KI6YGT | PAYNE, CRAIG A | 2019-02-26 |
| KJ6GSO | Childress, Richard H | 2020-04-22 |
| KJ6GSZ | Dagle, Terry D | 2020-01-13 |
| KJ6GTY | BOWE, JAMES A | 2020-03-13 |
| KJ6TJW | Braswell, Westley W | 2011-12-29 |
| KJ6TZO | Krey, Adam W | 2012-02-09 |
| KJ6VRF | Christensen, Regin | 2022-01-19 |
| KK6GSB | Kroner, Gina L | 2013-09-25 |
| KK6ITN | ADAMS, JAMES E | 2014-01-14 |
| KK6KHX | MINOR, LYNDA H | 2014-03-07 |
| KK6KHY | MINOR, DOUGLAS N | 2014-03-07 |
| KK6SYR | HULL, DALLIN | 2015-03-26 |
| KK6TUE | Grace, Denise L | 2015-05-01 |
| KK6URB | Seamann, Kenneth L | 2015-06-11 |
| KK6WRX | NELSON, RONALD A | 2015-10-02 |
| KM6AVF | Trost, Johannes W | 2016-03-01 |
| KM6BCP | HOLMES, SAMUEL D | 2016-03-15 |
| KM6BCW | HOLMES, SAMUEL D | 2016-03-15 |
| KM6MPN | DeLuca, Nicholas | 2017-09-11 |
| KM6WSN | Bunnell, Lynn B | 2018-11-02 |
| KN6GPM | Loyd, Steve M | 2019-12-31 |
| KN6ORL | Milazzo, Kristopher | 2021-05-03 |
| KN6POO | Anderson, Michael | 2021-07-12 |
| KN6TRM | Torres, Luis E | 2022-04-11 |
| KN6TVG | Watson, Craig | 2022-04-18 |
| N3GNK | DOLNICK, BRETT D | 2017-10-11 |
| N3TNO | GRACE Mr, DANIEL M | 2014-07-23 |
| N6HHB | GRACE, BETTY | 2007-04-20 |
| N6IAU | LAWSON, DANIEL J | 2017-03-04 |
| W6OKS | NIELSEN, JERRY L | 2017-06-15 |
| W6THA | MATHEWS, HOWARD A | 2015-10-07 |
| WA6WBH | O BRIEN, EDWARD J | 2014-09-20 |
| WB6HKN | KENT, THOMAS A | 2014-11-08 |
| WB6YSP | DE COITO, FRANK W | 2008-08-06 |
