The Federal Communications Commission (FCC) has granted a total of 48 licenses and call signs in the category of Restricted Operator license in San Ramon, 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 |
|---|---|---|
| RL00003600 | Koo, Bonkyung | 2008-01-01 |
| RL00016123 | Al-Salih, Sabeeh B | 2020-11-13 |
| RR00001604 | CUMMINS, DONAL | 2001-07-17 |
| RR00004310 | Smith, David L | 2002-01-31 |
| RR00005221 | WEIGAND, ANDREAS J | 2002-04-03 |
| RR00006574 | Goyke, Paul M | 2002-06-11 |
| RR00006812 | Oliver, Mary Lou | 2002-06-25 |
| RR00006977 | Oliver, Donald B | 2002-07-03 |
| RR00008993 | King, Stella R | 2002-10-29 |
| RR00013163 | SAUER, KURT F | 2003-07-15 |
| RR00016100 | Mui, Eric K | 2004-01-13 |
| RR00018123 | Liese, Michael J | 2004-03-31 |
| RR00031159 | McLinden Mr., Stephen J | 2005-08-30 |
| RR00037937 | Tharp III, William | 2006-06-13 |
| RR00039772 | Long, Richard J | 2006-08-29 |
| RR00047902 | Delgado JR, Oscar | 2007-05-09 |
| RR00050237 | Gibilaro, Paul | 2007-07-19 |
| RR00058344 | Weber, Joshua R | 2008-04-09 |
| RR00058734 | Christopher, Pita A | 2008-04-24 |
| RR00061376 | Lymangrover, Michele | 2008-08-30 |
| RR00064025 | fridie, kevin e | 2009-02-10 |
| RR00069436 | Vannuffelen, Gerry | 2010-02-04 |
| RR00077176 | Ehlers, Nathan R | 2011-03-16 |
| RR00083622 | Jung, jitaek | 2011-12-20 |
| RR00085406 | Sweeney, Steven M | 2012-03-16 |
| RR00088320 | Li, Jiageng | 2012-07-27 |
| RR00091052 | Provencio, Caleb R | 2012-12-06 |
| RR00107321 | Fahey, Patrick E | 2014-11-05 |
| RR00118103 | Kolyouthapong, Stefano P | 2016-01-20 |
| RR00124083 | Tan, Edwin C | 2016-08-18 |
| RR00133158 | Johnston, Erin E | 2017-06-22 |
| RR00134932 | Chrzaszcz, Piotr A | 2017-08-17 |
| RR00141950 | Bhagwagar, Rustom M | 2018-03-27 |
| RR00144976 | Ho, Kent L | 2018-06-16 |
| RR00147924 | Ilamin, Alexis | 2018-09-13 |
| RR00154245 | Hammoud, Imad | 2019-03-23 |
| RR00158557 | Lee, Spencer M | 2019-07-13 |
| RR00159097 | Forster, Sky P | 2019-07-30 |
| RR00165765 | Diestel, Kyle D | 2020-02-04 |
| RR00171097 | Srivastava, Ravi P | 2020-11-19 |
| RR00176555 | Kohnke, Kevin M | 2021-06-15 |
| RR00180310 | Hughes, Craig K | 2021-09-18 |
| RR00185440 | Tecson, Ryland U | 2022-02-04 |
| RR00186903 | HAN, SANG JUN | 2022-03-01 |
| RR00187087 | Harris, Jordan R | 2022-03-05 |
| RR00188861 | Mehran, Alexander | 2022-04-16 |
| RR00195086 | Horschman, Marc R | 2022-08-23 |
| RR00207316 | Hyles, Michael | 2023-05-02 |
