The Federal Communications Commission (FCC) has granted a total of 29 licenses and call signs in the category of Amateur license in Floyds Knobs, Indiana. 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 |
|---|---|---|
| AB9HS | Rue, Mark J | 2017-01-31 |
| AB9XE | Greene, Michael A | 2020-04-22 |
| KA9TJF | MANNING JR, JOHN W | 2016-01-16 |
| KB9NKD | FLYNN, RONALD D | 2016-02-25 |
| KB9YHE | BROWN, CHRISTOPHER B | 2022-09-17 |
| KB9YNJ | Springer, Alan G | 2010-10-28 |
| KC9LYJ | WEBSTER, RICHARD J | 2017-05-01 |
| KC9NVG | Schubert, Jennifer L | 2018-05-31 |
| KC9OUS | Stephans, Joseph E | 2008-12-12 |
| KC9PHN | Masters, Robert L | 2019-01-30 |
| KC9TCL | Booth Miller, Mara M | 2010-09-22 |
| KC9VEY | Doyle, John F | 2012-01-05 |
| KC9YSX | Eberle, Douglas M | 2013-04-17 |
| KC9YUR | Schubert, Lora A | 2013-04-22 |
| KC9YZZ | Ball, Sandra J | 2013-05-17 |
| KC9ZOR | Platt II, Allen C | 2013-09-09 |
| KD9CWE | Huber, Derek I | 2015-01-20 |
| KD9CXT | KELLER II, ROBERT D | 2015-02-02 |
| KD9GYE | Collins, Galley | 2016-09-12 |
| KD9KND | Metzmeier, Bryan W | 2018-03-21 |
| KD9OAV | NELSON, DAVID L | 2019-10-21 |
| KD9ONE | Morgan, Joseph B | 2019-12-27 |
| KD9PTO | KEOWN, AARON J | 2020-07-02 |
| KD9UJR | HUNDLEY, CHARLES L | 2022-02-22 |
| KG4YMG | Heckaman III, Douglas E | 2012-12-04 |
| KI4URU | Rudd, Andrew S | 2017-02-09 |
| N9HYS | MYERS, CHARLOTTE | 2018-09-18 |
| W9CBQ | Rufener, Robert E | 2006-03-11 |
| WB9GXX | MYERS, MICHAEL B | 2018-09-18 |
