The Federal Communications Commission (FCC) has granted a total of 6 licenses and call signs in the category of Restricted Operator license in Mason City, Iowa. 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 |
|---|---|---|
| RR00070073 | Holt, Diane K | 2010-03-10 |
| RR00116800 | van den Aarssen, Ashwin J | 2015-11-24 |
| RR00153683 | Rozendaal, Doug | 2019-03-08 |
| RR00156709 | Oman, Cory | 2019-05-22 |
| RR00160611 | Weiner Mr, Steven J | 2019-09-07 |
| RR00164810 | Rust, David P | 2020-01-10 |
