The Federal Communications Commission (FCC) has granted a total of 54 licenses and call signs in the category of Restricted Operator license in California, Maryland. 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 |
|---|---|---|
| RR00008311 | Mackin, Daniel L | 2002-09-19 |
| RR00008672 | McGinn, Patrick M | 2002-10-09 |
| RR00036193 | Dehner, Alpha A | 2006-04-01 |
| RR00045477 | Mack, Ryan S | 2007-03-02 |
| RR00050818 | Spohnholtz Jr, James R | 2007-08-03 |
| RR00052110 | McCarthy, James F | 2007-09-11 |
| RR00082125 | Nugent, John | 2011-10-01 |
| RR00083074 | Ulvestad, John | 2011-11-18 |
| RR00084368 | Ford, Ryan P | 2012-01-31 |
| RR00086229 | Roudebush, James K | 2012-04-20 |
| RR00090920 | Davies, Bradley T | 2012-12-05 |
| RR00092752 | Ray, Kenneth L | 2013-02-15 |
| | ||
| RR00095698 | Alaverdi, Omeed | 2013-07-09 |
| RR00108333 | Buser, John P | 2014-12-19 |
| RR00109520 | Carlson, Justin E | 2015-02-06 |
| RR00110282 | Doney, Kevin T | 2015-03-10 |
| RR00112318 | Tacquard JR, Mark A | 2015-05-28 |
| RR00112574 | Floyd, Reuben M | 2015-06-09 |
| RR00113527 | Scameheorn, Casey D | 2015-07-17 |
| RR00134320 | Mostaccio, Jason T | 2017-07-29 |
| RR00134582 | Webb Jr, Daryl J | 2017-08-08 |
| RR00134691 | Isaacson, John J | 2017-08-10 |
| RR00135985 | Pfeffer, Matthew J | 2017-09-23 |
| RR00139156 | Colon, Jaime L | 2018-01-04 |
| RR00150184 | Stevens, Hayden T | 2018-11-17 |
| RR00153305 | Dorn, Steven K | 2019-02-28 |
| RR00153383 | MCHUGH, CHRISTPHER F | 2019-03-01 |
| RR00154216 | Holt, Timothy C | 2019-03-22 |
| RR00155900 | Rojas, Anthony A | 2019-05-01 |
| RR00158156 | Aaron, Ryan D | 2019-07-02 |
| RR00159045 | Pearce, Mark K | 2019-07-27 |
| RR00159163 | Struck, James | 2019-08-01 |
| RR00162460 | Warrington Jr, James Whittaker O | 2019-10-31 |
| RR00167453 | Bowen III, William A | 2020-03-14 |
| RR00167523 | ESTES JR, KEITH L | 2020-03-18 |
| RR00168733 | Hall, Gary B | 2020-06-13 |
| RR00170489 | Johnson, Jack D | 2020-10-10 |
| RR00170785 | Carter, Kristopher A | 2020-10-31 |
| RR00171002 | Simoes, Rodrigo | 2020-11-14 |
| RR00171577 | VandenBerg, Thomas M | 2020-12-22 |
| RR00174432 | Radocaj, Daniel J | 2021-04-17 |
| RR00174846 | Wells, Jason D | 2021-04-29 |
| RR00176268 | Williams, Joanna F | 2021-06-07 |
| RR00177194 | McKee, Andrew M | 2021-07-01 |
| RR00177775 | Thanos, Konstantinos | 2021-07-17 |
| RR00188964 | Smith, Kellen L | 2022-04-19 |
| RR00191732 | Schumacher, Thomas S | 2022-06-14 |
| RR00192242 | Wright, Paul M | 2022-06-23 |
| RR00197483 | Bird, Scott S | 2022-10-12 |
| RR00197700 | Hernandez, Luis G | 2022-10-15 |
| RR00198855 | Watson, Derek J | 2022-11-08 |
| RR00201542 | Hyder, Samuel T | 2023-01-10 |
| RR00202363 | McCaleb, Jared B | 2023-01-26 |
| RR00204113 | Quiel, Andrew W | 2023-02-28 |
