The Federal Communications Commission (FCC) has granted a total of 10 licenses and call signs in the category of Restricted Operator license in Mason, Michigan. 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 |
|---|---|---|
| RR00011184 | MUENZENMAIER JR, WILLIAM C | 2003-03-12 |
| RR00023883 | Williams, Mark A | 2004-11-11 |
| RR00039889 | Rosseter, Mark E | 2006-08-31 |
| RR00045828 | Hines, Douglas M | 2007-03-13 |
| RR00049266 | CONWAY, SHAWN D | 2007-06-19 |
| RR00083289 | Pfost, Nathan E | 2011-12-02 |
| RR00084005 | Rozell, Steven D | 2012-01-13 |
| RR00128130 | VanderMolen, David M | 2017-01-18 |
| RR00138313 | Burt, Donald H | 2017-12-07 |
| RR00197782 | Baker, Natalie L | 2022-10-18 |
