The Federal Communications Commission (FCC) has granted a total of 45 licenses and call signs in the category of Amateur license in Round Hill, Virginia. 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 |
|---|---|---|
| AA4DX | MAIRS, JOHN E | 2015-02-28 |
| KB5LAM | TERRELL, DAVID G | 2016-07-19 |
| KD4ZTT | GRAY, HARRY W | 2023-01-10 |
| KD6YRF | MULLER, NANCY L | 2013-06-29 |
| KG4RJH | REID, DON | 2011-11-17 |
| KG4UHS | REID, KATHY | 2022-05-20 |
| KG6JEE | Harmon, Garrick J | 2012-06-08 |
| KI4BAA | Brewer, Sharon D | 2013-04-12 |
| KJ4BSC | Keran, Maria S | 2008-02-05 |
| KJ4BWY | Keran, David P | 2008-02-12 |
| KJ4GYE | Reid, Elizabeth G | 2018-09-11 |
| KJ4NXG | Rodriguez Jr, Robert E | 2019-06-20 |
| KK4DLQ | Chambers Jr, Ronald C | 2011-08-08 |
| KK4FLR | Kane, Thomas J | 2011-11-23 |
| KK4GEA | Petrov, Mikhail | 2012-01-20 |
| KK4HBU | Enright, Robert S | 2012-02-17 |
| KK4MXO | Roush, Matthew O | 2012-11-29 |
| KK4NXW | Mogili, Abhishek R | 2013-01-22 |
| KK4OMN | Reid, Sarah J | 2013-02-15 |
| KM4HTY | Styer, William A | 2015-02-10 |
| KM4HTZ | Styer, Norman K | 2015-02-10 |
| KM4HUC | Johnson, Kelly J | 2015-02-10 |
| KN4AWJ | BURDEN JR, JOHN R | 2017-02-13 |
| KN4DIO | BURDEN, DANIEL T | 2017-05-16 |
| KN4EZY | Pettit IV, Robert G | 2017-08-07 |
| KN4JIO | Mcdonald, Thomas M | 2018-02-02 |
| KN4JLH | Reles, Samuel M | 2018-02-09 |
| KN4JZC | Hughes, Michael S | 2018-02-22 |
| KO4CNK | Vaughn, Lance B | 2020-03-12 |
| KO4CNM | Gran, Jason L | 2020-03-12 |
| KO4IXW | Eyerman, Kenneth E | 2020-10-30 |
| KO4MBO | Karanski, Christopher | 2021-02-08 |
| KO4QKM | Schneiders, Paul B | 2021-05-17 |
| KO4YUK | Bombach, Joshua J | 2022-03-21 |
| KQ4AEV | Pope, Eric K | 2022-05-10 |
| KQ4GBE | Ransick, Scott | 2023-02-08 |
| KR4FM | KAUFFMANN, KENNETH D | 2013-07-09 |
| N0DQN | BUCKINGHAM, SUSAN A | 2021-06-29 |
| N2JJP | BAMBURAK, KIM P | 2019-03-14 |
| W0NA | LAKE OZARK RADIO CLUB | 2014-05-27 |
| W0OL | ANKENY, WILLIAM C | 2020-03-24 |
| W0SQ | BUCKINGHAM JR, WILLIAM A | 2021-06-29 |
| W3UTJ | Scott, Walter M | 2014-06-04 |
| WA9OHR | WIESMUELLER, JAMES L | 2013-08-01 |
| WB3AKD | DAWSON, THOMAS L | 2016-07-14 |
