The Federal Communications Commission (FCC) has granted a total of 212 licenses and call signs in the category of Amateur license in Altadena, 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 |
|---|---|---|
| WA6WXI | Jaegers, Mearl H | 2014-07-15 |
| WA6ZKA | DANIELS, ROBERT E | 2015-10-23 |
| WB6AWI | LUM, MICHAEL | 2014-04-18 |
| WB6DNO | JOHNSTON, EDWARD J | 2005-08-30 |
| WB6MGT | HACKER III, WILLIAM J | 2020-09-03 |
| WB6NCT | BRANSON, RANDOLPH A | 2016-09-07 |
| WB6WDV | Jaegers, Gary A | 2014-07-15 |
| WB6YPF | WESTPHAL, WILLIAM H | 2022-04-05 |
| WD6BES | Newcomb, Liela J | 2008-11-13 |
| WD6FKO | MILLER, BERNE E | 2014-10-29 |
| WH6QW | SANDSTROM, DAVID L | 2013-10-31 |
| WZ6M | Patterson, Willie L | 2016-07-13 |
