The Federal Communications Commission (FCC) has granted a total of 155 licenses and call signs in the category of Amateur license in South Pasadena, 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 |
|---|---|---|
| KK6ZKX | Carter, Vincent J | 2015-12-15 |
| KK6ZKY | Reinoso, Luis A | 2015-12-15 |
| KM6AMA | Rosenthal, Mona F | 2016-02-18 |
| KM6ANL | LI, PERRY C | 2016-02-18 |
| KM6CUT | Bullock, James L | 2016-05-18 |
| KM6DXP | Webb, Keri S | 2016-07-15 |
| KM6FSF | Bergstrom, Sylvia K | 2016-10-14 |
| KM6HXK | Von Bibra, Thomas | 2017-02-01 |
| KM6IIY | Kuo, Mark Y | 2017-02-16 |
| KM6LKV | Shimokochi, Michael | 2017-06-29 |
| KM6LPA | Totleben, Jackson | 2017-07-14 |
| KM6MXM | Liter, Jeffrey C | 2017-09-29 |
| | ||
| KM6NSB | Wong, Calvin S | 2017-10-31 |
| KM6NXI | Rogers, Joseph B | 2017-11-06 |
| KM6OUJ | Cronin, Alexander J | 2017-12-01 |
| KM6OUK | Cronin, Christopher J | 2017-12-01 |
| KM6PVM | HAO, DAVID H | 2018-01-31 |
| KM6QDH | Yan-Joe, Mary | 2018-02-08 |
| KM6QIM | O Donnell, Franklin | 2018-02-15 |
| KM6UIG | Kwak, Roy C | 2018-06-29 |
| KM6VQQ | Junge, Jason A | 2018-09-13 |
| KM6WKC | Stumbo, Matthew T | 2018-10-19 |
| KM6WKD | Johnson, Dana K | 2018-10-19 |
| KM6YDZ | Workman, Thomas J | 2018-11-27 |
| KN6CZM | Foothill Flyers Radio Club | 2019-07-08 |
| KN6EJE | McGarey, Patrick M | 2019-09-20 |
| KN6LGG | KLEMENTICH, STEVEN F | 2020-10-06 |
| KN6NEK | KONG, BRYAN | 2021-02-01 |
| KN6OVE | Shakibi, Mohammad | 2021-05-11 |
| KN6SUH | Ozaki, Robert M | 2022-02-14 |
| KN6TMT | Schwab, Keith C | 2022-03-28 |
| KN6URB | Dees, Catherine A | 2022-06-14 |
| KN6YBL | SVETLIK, MAXWELL J | 2022-12-29 |
| KN6YYN | Batayola, Efren | 2023-03-16 |
| KN6ZIR | Ely, Dylan J | 2023-04-14 |
| N6BBP | MASON, PETER V | 2004-04-22 |
| N6FCB | PRESTWIDGE, WILLIAM T | 2008-04-15 |
| N6KOX | BIBER, JOHN F | 2014-03-06 |
| N6KPA | BIBER, BEVERLY J | 2014-03-06 |
| N6RCI | FRESQUEZ III, JOEY A | 2017-10-13 |
| WA0PTC | COX, TIMOTHY A | 2015-01-08 |
| WA6KAB | CASTLE, EDGAR F | 2015-09-22 |
| WA6TZF | Cactus Intertie Inc | 2017-02-22 |
| WB6CIA | SCHAEFER, MARK M | 2017-12-15 |
| WB6RAJ | Mohr, Richard F | 2005-09-16 |
| WB6TZA | CACTUS INTERTIE INC | 2017-02-22 |
| WB6TZB | Cactus Intertie Inc | 2017-02-22 |
| WB6TZC | Cactus Intertie Inc | 2018-01-02 |
| WB6TZD | Cactus Intertie Inc | 2018-01-02 |
| WB6TZF | Cactus Intertie Inc | 2017-02-22 |
| WB6TZH | Cactus Intertie Inc | 2020-01-22 |
| WB6YJJ | Vanderwall, Robert L | 2017-06-20 |
| WB7FIK | Cactus Intertie Inc | 2016-01-29 |
| WH6NZ | CHUN, GREGORY S | 2013-05-30 |
| WS9R | CARL, KENNETH J | 2020-03-19 |
