The Federal Communications Commission (FCC) has granted a total of 41 licenses and call signs in the category of Amateur license in Round Lake, Illinois. 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 |
|---|---|---|
| AC9QQ | ZYSKOWSKI, MICHAEL E | 2016-06-08 |
| K9WYP | Wallner Jr, Richard J | 2015-07-09 |
| KA9PON | ADAMO, THOMAS E | 2015-07-01 |
| KB2RBS | DOLLINGER, GARY | 2005-07-23 |
| KB9JJK | STAFFORD, WILLIAM H | 2004-11-24 |
| KB9OMY | WICKERSHEIM JR, ROGER D | 2016-06-30 |
| KC9FCF | Madaj, Justin W | 2003-11-25 |
| KC9FFF | Madaj, Wayne J | 2003-12-11 |
| KC9FPJ | Zimmerman, Michael | 2014-05-28 |
| KC9HUU | Cooksey, Michael P | 2005-06-22 |
| KC9JXI | Mitchell, Patrick E | 2006-08-01 |
| KC9PDU | MAPLETHORPE, ERIK J | 2018-12-27 |
| KC9PWF | LUNDBORG, DAVID J | 2019-06-21 |
| KC9RNB | EARLEY, JON F | 2019-12-03 |
| KC9SJP | Campbell, Scott L | 2020-03-20 |
| KC9SZS | Schoen, Robert G | 2020-06-10 |
| KC9WWC | Geist, Jill M | 2012-11-16 |
| KC9ZUL | TRUMP, JEFFREY B | 2013-10-29 |
| KD0KJK | Fields, Kyle K | 2019-12-10 |
| KD0OOC | WILLIAMS, BRADLEY T | 2022-05-05 |
| KD9BZX | FRAWLEY JR, DONALD R | 2014-08-29 |
| KD9CBR | Lambropoulos, Angelo | 2014-09-17 |
| KD9FLI | KRISTAN JR, ROBERT J | 2016-02-12 |
| KD9FTK | Lichtenauer, Stephanie A | 2016-03-23 |
| KD9GKZ | ZYSKOWSKI, MICHAEL E | 2016-06-08 |
| KD9HYL | Durbin, Joe J | 2017-02-24 |
| KD9KSZ | Butera, Amanda L | 2018-04-17 |
| KD9NMY | Wakefield, Aaron | 2019-07-16 |
| KD9ORT | Teel, Roger C | 2020-01-29 |
| KD9QEN | Fries, Erik M | 2020-08-24 |
| KD9RXA | Carroll, Timothy J | 2021-02-26 |
| KD9TBD | Sortman, Joseph | 2021-07-12 |
| KD9TIR | Croteau, Guy V | 2021-08-23 |
| KD9WUF | Hanley, Timothy O | 2023-03-15 |
| N7YMR | CHEVERE JR, JOSE J | 2012-05-10 |
| N9MJP | MAPLETHORPE, PAUL A | 2021-06-22 |
| N9PYP | HOLDERBAUM, CHARLES A | 2022-03-26 |
| N9SGR | VOGEL, THOMAS E | 2012-12-21 |
| WA9RWJ | SADORF, JOHN | 2017-08-11 |
| WB9MTE | COOPER, STEVEN R | 2019-12-04 |
| WD0EQL | KRUEGER, PAUL J | 2003-10-30 |
