The Federal Communications Commission (FCC) has granted a total of 274 licenses and call signs in the category of Amateur license in Westminster, 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 |
|---|---|---|
| KM6BPA | Cardoos, Stephen W | 2016-03-31 |
| KM6CLV | McEwan, Duncan R | 2016-05-05 |
| KM6DZQ | Luc, Hung D | 2016-07-18 |
| KM6FBC | Curameng, Thomas M | 2016-09-02 |
| KM6FSI | Dienhart, Karen A | 2016-10-14 |
| KM6GEU | Anderson, Dennis B | 2016-11-03 |
| KM6HOE | Charoenvattanaporn, Adisorn | 2017-01-20 |
| KM6JOR | Andary, Nathan R | 2017-03-30 |
| KM6MRA | Bui, Vu N | 2017-09-14 |
| KM6MRB | Piorkowski, Frank R | 2017-09-14 |
| KM6MTN | Cabatbat, Ramiro R | 2017-09-19 |
| KM6OAV | Vo, Khang | 2017-11-07 |
| | ||
| KM6PTN | Hall, Tracie L | 2018-01-29 |
| KM6RPX | Armijo, Gabriel A | 2018-03-26 |
| KM6UKG | Robertson, David M | 2018-07-03 |
| KM6WH | Rauls, James R | 2012-04-09 |
| KM6WSL | Nguyen, Masis | 2018-11-02 |
| KM6YNI | LECOU, BRANDON L | 2018-12-11 |
| KM6ZMD | Castle, Vernon L | 2019-02-04 |
| KM6ZMQ | Tubbs, Kevin G | 2019-02-05 |
| KN6AFR | Bogdanovich, Brian A | 2019-03-07 |
| KN6CUJ | Bogdanovich, Darren C | 2019-06-27 |
| KN6EJA | Watkins, Nathan T M | 2019-09-20 |
| KN6FWI | Furman, Robert F | 2019-11-20 |
| KN6HED | Harris, James W | 2020-01-31 |
| KN6ITH | Hassan, Mohamed F | 2020-05-07 |
| KN6KAI | MESSICK, JOHN M | 2020-07-24 |
| KN6LBY | Tran, Steve | 2020-09-28 |
| KN6NOY | Chott IV, John W | 2021-02-26 |
| KN6QJR | WINE, JACK | 2021-09-09 |
| KN6RHU | Schaffer, Joshua D | 2021-10-25 |
| KN6RVW | Lam, Harrison | 2021-11-23 |
| KN6YPU | Minear, Jared | 2023-02-23 |
| KN6YYD | Hoang, Amy | 2023-03-15 |
| KN6ZLU | Heuer, Shane T | 2023-04-25 |
| KO6O | LUI, GEE L | 2016-03-31 |
| N2MSC | KING, CHRISTOPHER A | 2011-01-20 |
| N6BIG | STERN, RONALD F | 2017-03-23 |
| N6FRH | LUBMAN, DAVID | 2018-06-08 |
| N6HVC | Valek, Adam L | 2017-03-22 |
| N6ILQ | FITZGERALD, DARLENE | 2007-09-18 |
| N6JGW | GUNDERSEN, JOSEPH R | 2011-07-27 |
| N6KBJ | POLLACK, RUTH R | 2003-12-16 |
| N6KYC | DIMICK, DELBERT L | 2021-03-10 |
| N6LCG | DIMICK, KAREN E | 2021-03-10 |
| N6LNE | DEMERS, ROGER P | 2017-12-18 |
| N6MGH | SUMMERS, WILLIAM D | 2015-02-17 |
| N6NUF | DIXON JR, LACERNE B | 2016-06-08 |
| N6RDK | MINEAR, DANIEL J | 2023-04-11 |
| N6RE | CLANCY, RAYMOND J | 2017-07-26 |
| N6WUZ | Myers, John R | 2019-10-30 |
| N6XDK | PILATOS, JOHN C | 2019-10-24 |
| N6YFY | SHOEMAKER, EDWIN K | 2020-02-12 |
| N6ZRN | PON, BRIAN K | 2008-07-23 |
| W0MEC | BRZOZNOWSKI JR, CLEMENS T | 2015-10-03 |
| W2ZXQ | WARREN, ROBERT J | 2006-11-28 |
| W6GKA | TREANTOS, ANGELO J | 2006-02-22 |
| W6JNU | Toll, Alvin I | 2005-12-06 |
| W6JRS | Jones, Robert A | 2015-12-21 |
| W6MRI | Delgado Jr, Frank | 2015-05-15 |
| W6VLD | BOEING EMPLOYEES AMATEUR RADIO SOCIETY | 2018-09-10 |
| WA6ISQ | JOHNSON, GARY L | 2017-11-14 |
| WA6LNC | ABRAHAMS, DAVID B | 2018-11-01 |
| WA6LOZ | CHAPMAN, CLAUDE D | 2016-06-15 |
| WA6WRB | WINEMAN, JOEL R | 2016-01-09 |
| WA6WTS | HOLLINGER, SAMUEL W | 2017-07-26 |
| WA6YOS | GARRETT JR, JAMES E | 2018-06-12 |
| WB6ASX | HOLTERMANN, HENRY J | 2016-11-29 |
| WB6DVD | PERKINS, JERRY C | 2006-02-21 |
| WB6RQM | MARCUM, ALAN E | 2019-02-12 |
| WB6RQT | LE BLANC, WALTER C | 2017-12-01 |
| WB6WXO | Silverman, Harold A | 2014-07-07 |
| WD6CPI | DILLARD, ARTHUR T | 2007-04-28 |
| WD6DUB | LEWIS, JAMES L | 2014-09-19 |
