The Federal Communications Commission (FCC) has granted a total of 18 licenses and call signs in the category of Restricted Operator license in Castaic, 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 |
|---|---|---|
| RL00016286 | Hall, Christopher J | 2021-02-11 |
| RR00008414 | Christopherson, James D | 2002-09-25 |
| RR00032838 | TORRES SR, JOSE C | 2005-11-16 |
| RR00037366 | HAYWARD, CHRISTOPHER J | 2006-05-19 |
| RR00051035 | Fesler, Scott D | 2007-08-10 |
| RR00055197 | Lyon, John H | 2007-12-29 |
| RR00057395 | smith, mark c | 2008-03-08 |
| RR00057862 | Frost, Ryan D | 2008-03-26 |
| RR00065162 | McKeirnan, Evan M | 2009-04-25 |
| RR00097937 | Yosfan, Benjamin R | 2013-10-29 |
| RR00106089 | Perez, Guillermo | 2014-09-09 |
| RR00115856 | Wadleigh, David J | 2015-10-20 |
| RR00136691 | Ferley, Michael B | 2017-10-13 |
| RR00140615 | Konecnik, Christopher | 2018-02-13 |
| RR00164140 | Vovk, Mikayla J | 2019-12-20 |
| RR00166643 | Hancock, Jeff D | 2020-02-25 |
| RR00178270 | Harrington, Luke R | 2021-07-30 |
| RR00200780 | James, Michael T | 2022-12-21 |
