The Federal Communications Commission (FCC) has granted a total of 229 licenses and call signs in the category of Amateur license in Downey, 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 |
|---|---|---|
| KJ6GEN | Canett, Joshua | 2021-08-10 |
| KJ6HIU | McDonald Jr, Michael C | 2022-04-28 |
| KJ6HIV | Keele Jr, Robert E | 2010-04-27 |
| KJ6HJB | Douglass, Chet B | 2010-04-27 |
| KJ6HJE | Bukowski 613, Mark F | 2020-04-28 |
| KJ6JBZ | Garcia, Joseph | 2020-03-31 |
| KJ6KXW | Ferasol, Rose Mary C | 2020-09-30 |
| KJ6OJO | Dunn, Nathan T | 2011-04-29 |
| KJ6PNB | Javier, Ryan S | 2011-06-10 |
| KJ6RCQ | Gonzalez, Robert W | 2011-09-13 |
| KJ6RIH | Eure, Michael L | 2021-06-30 |
| KJ6TIF | McGarry, Conor J | 2011-12-22 |
| | ||
| KJ6WUM | Logan Jr, Buford A | 2012-05-23 |
| KJ6WUR | Symonds, Esther M | 2012-05-23 |
| KJ6WZW | Nielsen, James H | 2012-06-01 |
| KK6ALP | Martin, Donald E | 2022-12-30 |
| KK6CKL | Birkle, Amanda M | 2013-02-15 |
| KK6DNF | Cristea, Matthew | 2023-04-18 |
| KK6DNG | Cristea, Dan N | 2013-04-09 |
| KK6DNH | Cristea, David E | 2023-04-11 |
| KK6GNV | Dunn, Patricia A | 2013-09-13 |
| KK6GOA | Dunn, Donald R | 2013-09-13 |
| KK6KDN | Castro, Renan | 2014-03-03 |
| KK6NAS | Schiffmacher, Scott P | 2014-06-10 |
| KK6NIX | Encina, Rosemarie A | 2014-06-18 |
| KK6NJ | FLEMING, JOHN F | 2010-05-11 |
| KK6NUC | Ramirez, Steven | 2014-07-02 |
| KK6OAZ | Cyrus, Sam | 2014-07-17 |
| KK6OSN | Steele, Donald J | 2014-08-29 |
| KK6QVC | Morris, Pamela K | 2014-12-05 |
| KK6QVD | Morris, D M | 2014-12-05 |
| KK6SHS | Martin, Susan L | 2015-03-02 |
| KK6SHU | Myers, Curtis W | 2015-03-02 |
| KK6SHV | Madariaga, Bernice | 2015-03-02 |
| KK6TRN | Gomez, Roberto | 2015-04-28 |
| KK6ULD | Latimer Sr, Richard W | 2015-05-29 |
| KK6VUR | Ontiveros Gonzalez, Constantino | 2015-08-13 |
| KK6WGM | SIERRAS, LUIS R | 2015-09-01 |
| KK6YDL | Adamson, Mark A | 2015-10-23 |
| KM6CNB | LOPEZ, NATALIE J | 2016-05-06 |
| KM6COA | Kim, Un Zoo | 2016-05-09 |
| KM6DSP | Cruz, Larry | 2016-07-07 |
| KM6EIQ | Da Silva, Joseph | 2016-07-28 |
| KM6EXP | Nguyen, Duc | 2016-08-26 |
| KM6EXQ | Ontiveros, Constantino D | 2016-08-26 |
| KM6EXR | Ontiveros, Carlos R | 2016-08-26 |
| KM6EXT | Iwamoto, Daniel C | 2016-08-26 |
| KM6HIA | Tu, Allen | 2016-12-27 |
| KM6ISC | Morikawa, Evan G | 2017-03-01 |
| KM6JBU | Pioch, Frank | 2017-03-13 |
| KM6JMM | Williams Jr, Ivory B | 2017-03-22 |
| KM6LAA | Montejano, Antonio O | 2017-06-09 |
| KM6LXI | Duarte Jr, Raul | 2017-07-25 |
| KM6OCT | Bradford, Charles L | 2017-11-08 |
| KM6OL | GAYTAN, MARTIN R | 2022-01-31 |
| KM6OXQ | Rojas, Antonio | 2017-12-06 |
| KM6PRD | Valle, Steven R | 2018-01-24 |
| KM6PZZ | Valencia, Ricky A | 2018-02-05 |
| KM6QOA | Marroquin-Frometa, Claudia M | 2018-02-21 |
| KM6SUY | Ramos, Javier | 2018-05-09 |
| KM6VQI | Gochicoa, Robby G | 2018-09-13 |
| KN6BFG | Williamson, Dale E | 2019-04-18 |
| KN6BFJ | Rodriguez, Manuel J | 2019-04-18 |
| KN6BLJ | Walworth, William H | 2019-04-26 |
| KN6CNW | Digital Voice Amateur Radio Association | 2019-06-12 |
| KN6EEY | Caudill, Jeffrey L | 2019-09-10 |
| KN6GEQ | DEL CASTILLO, MICHAEL | 2019-12-03 |
| KN6GNG | ESTRADA JR, EMMANUEL B | 2019-12-26 |
| KN6GNJ | MORRIS, STEPHEN E | 2019-12-26 |
| KN6GNK | MORRIS, WILLIAM E | 2019-12-26 |
| KN6LM | TILLMANN, FRANK | 2023-04-13 |
| KN6NNR | La Penn, Fredrick J | 2021-02-22 |
| KN6OFZ | Whyte, Robert K | 2021-04-05 |
| KN6QET | Savage, Gregory R | 2021-08-23 |
| KN6UTJ | Ho, Henry | 2022-06-22 |
| KN6UYW | Torres, Jesus R | 2022-07-02 |
| KN6VOB | Churchill, Bryce | 2022-08-24 |
| KN6VVM | ROBERSON, DAVID N | 2022-09-20 |
| KN6VVN | ROBERSON, DAVID N | 2022-09-20 |
| KN6WDI | Vandewouwer, Matthew | 2022-10-18 |
| KN6WYX | Hashim, Mohammed | 2022-12-20 |
| KN6YXW | Avalos, Aldo | 2023-03-14 |
| KN6YYG | Grimm, Sharon | 2023-03-15 |
| KN6YYH | Orozco, Kelly A | 2023-03-15 |
| KN6YYJ | Villalobos, William | 2023-03-15 |
| KN6YYK | Voth, Donna | 2023-03-15 |
| KN6YYS | Beard, Roy | 2023-03-16 |
| KO6EG | CASTRO, DANIEL | 2014-02-18 |
| KQ6HI | Rafferty, Shannon K | 2006-01-05 |
| N6ATU | MYERS, FRANK W | 2013-08-14 |
| N6CYO | Szabo, Lowell J | 2014-12-23 |
| N6GXS | CUMMINGS, RALPH L | 2008-07-24 |
| N6HEB | TURNER, ROBERT H | 2007-06-06 |
| N6JHH | ANAGNOSTOU, JOHN N | 2018-12-27 |
| N6JMR | LLOYD, BRYAN C | 2017-08-25 |
| N6KTW | CARSON, STEVEN T | 2014-01-03 |
| N6LXW | BIRD, SHEILA B | 2014-11-11 |
| N6NXO | VALLEY, R GARY | 2004-11-19 |
| N6SAM | PALMQUIST, JEFF J | 2017-12-06 |
| N6SIM | PARKER, ANDREW R | 2019-06-14 |
