The Federal Communications Commission (FCC) has granted a total of 125 licenses and call signs in the category of Amateur license in Los Osos, 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 |
|---|---|---|
| KM6YOV | Bissell, Martha W | 2018-12-14 |
| KN6BHX | Matthew, William B | 2019-04-22 |
| KN6JCM | Cohn, Charles | 2020-06-02 |
| KN6KNA | Danielson, Henry | 2020-08-24 |
| KN6NQH | SCHERMERHORN, RICHARD M | 2021-03-01 |
| KN6TCL | Lynch, Martine M | 2022-03-08 |
| KN6WAJ | Crawford, Darek | 2022-10-04 |
| KN6ZET | Super Secret Squirrel Signalling Society | 2023-04-01 |
| KO6XK | JOHNSEN, VICTORIA S | 2014-04-23 |
| N0OPN | WRIGHT JR, HAROLD E | 2013-08-02 |
| N6DUB | Cooley, Morgan K | 2005-09-23 |
| N6IEU | RUBIN, IRVING C | 2010-07-02 |
| N6KNF | GROSS, RONALD J | 2014-06-03 |
| N6RVV | GOVEN, GARY J | 2020-01-07 |
| N6TPY | Hail, Laird H | 2009-02-20 |
| N6ULM | NAYLOR, GREGORY R | 2018-08-30 |
| W6IGG | GOFF III, RALPH D | 2019-11-14 |
| W6IHA | FUNDERBURG, JOE D | 2005-03-09 |
| WA6EUO | FITCH, WARREN L | 2006-06-27 |
| WA6MKW | BUSCHER, HAROLD T | 2016-02-03 |
| WB6ROW | Daitch, Jerome S | 2005-02-07 |
| WB9VXY | Tengdin, Thomas T | 2018-08-29 |
| WD6DDX | BAKER, GORDON C | 2018-04-11 |
| WD6FNV | WALTERS, ROBERT L | 2005-01-05 |
| WD6Z | SICHER, MAX H | 2014-05-07 |
