The Federal Communications Commission (FCC) has granted a total of 123 licenses and call signs in the category of Amateur license in Crystal 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 |
|---|---|---|
| K8HQQ | BOWSHER, MICHAEL E | 2009-01-06 |
| K9DFG | LASKEY, WILLIAM J | 2014-06-02 |
| K9QID | BRANDEAU, DONALD G | 2020-06-18 |
| KA2PPR | CLAPMAN, SHERMAN | 2008-01-30 |
| KA9ATL | SZARFINSKI, MICHAEL | 2021-02-17 |
| KA9CAR | DEWEY, JOHN C | 2016-03-17 |
| KA9RJA | ZINK JR, LOUIS N | 2014-02-04 |
| KA9ZFD | STANCY, MARTHA M | 2017-01-13 |
| KB9BR | CARLUS III, TED R | 2016-06-29 |
| KB9EMR | THOMPSON, ELAINE R | 2010-03-24 |
| KB9JLX | Hunsaker, Kenneth C | 2014-12-08 |
| KB9MRF | JACOBS, ELLEN A | 2016-02-17 |
| | ||
| KB9OOS | Malik, Jozef C | 2016-07-19 |
| KB9QEZ | SPURR, JOHN C | 2017-03-13 |
| KB9RTH | BATTAGLIA, MARCUS | 2019-04-02 |
| KB9TQF | HEJTMANEK, ERIC J | 2018-12-11 |
| KB9VKJ | TEMPLE, PAULA S | 2019-09-09 |
| KB9VRW | DeSantis, C Scott | 2020-01-29 |
| KB9YHN | ROBISON, JAMES L | 2010-08-28 |
| KB9YHP | Campbell, Bernice K | 2010-08-09 |
| KC0ZN | ROGERS, RONALD J | 2017-02-02 |
| KC8WCB | Buck, Paul J | 2014-01-28 |
| KC9BFB | Rademacher, Sharon L | 2012-07-06 |
| KC9CBW | OERKFITZ, PATRICIA K | 2012-05-31 |
| KC9CRI | Shulze, Eric M | 2012-09-25 |
| KC9EYQ | LUNDBORG, LISA M | 2013-10-18 |
| KC9GPY | Haldiman, Sam G | 2014-07-22 |
| KC9GRO | GUIBORD, ANDREW J | 2014-07-25 |
| KC9HIF | KUMOREK-BREUSS, KATHLEEN A | 2015-02-17 |
| KC9HPI | Poltermann, Ryan J | 2005-05-05 |
| KC9JRN | Quick, Richard E | 2006-06-20 |
| KC9QBE | RYDIN, ALEXANDER K | 2009-06-22 |
| KC9RND | BOYD, TIMOTHY M | 2020-09-18 |
| KC9ROS | Ziegler, Bernard M | 2010-03-05 |
| KC9SLF | KIRSHENBAUM, RON | 2020-03-26 |
| KC9SWE | Manzella, Jack R | 2020-09-16 |
| KC9TBS | Lilly, Jeffrey G | 2020-07-14 |
| KC9UEU | Stortzum, Bradley B | 2021-03-05 |
| KC9VZS | WRIGHTON, THOMAS K | 2012-05-09 |
| KC9WQQ | Murphy, Ryan T | 2012-10-02 |
| KC9ZOP | Bump, Jeffrey S | 2013-09-06 |
| KC9ZRB | STUART, GEORGE L | 2013-10-17 |
| KC9ZWE | Tanner, David W | 2013-11-08 |
| KD9BGI | Williams, Richard A | 2014-05-12 |
| KD9BWW | Guibord, Angela | 2014-08-05 |
| KD9CVU | Loria, Eric A | 2015-01-16 |
| KD9CXH | Shirley, Mark L | 2015-01-29 |
| KD9DMV | Riddell, Madysen S | 2015-04-10 |
| KD9EOB | Cuchna II, Paul J | 2015-09-10 |
| KD9ESL | STUMP, DAVID L | 2015-10-08 |
| KD9EUM | BOURAS, SCOTT R | 2015-10-19 |
| KD9EWU | Slusin, Rick B | 2015-11-02 |
| KD9FBN | Devaney, Edward | 2015-11-25 |
| KD9FHT | Wehner, Joseph | 2016-01-27 |
| KD9FMH | KELLER, ROGUEN T | 2016-02-18 |
| KD9FML | DEMBSKI, GARY R | 2016-02-18 |
| KD9GHI | Venkataswamy, Anita | 2016-05-19 |
| KD9GIU | Wacaser, William E | 2016-05-24 |
| KD9IFT | Craver, Kevin P | 2017-03-21 |
| KD9KCM | Rohling, Bernard B | 2018-01-29 |
| KD9KEX | ALLEN, CHARLES M | 2018-02-09 |
| KD9KJD | Grabowski, Nathan E | 2018-03-01 |
| KD9NQB | Barbes, Nicholas A | 2019-08-06 |
| KD9OKP | 415 Amateur Radio Club | 2019-12-11 |
| KD9OMF | 415 Amateur Radio Club | 2019-12-19 |
| KD9OMH | 415 Amateur Radio Club | 2019-12-19 |
| KD9OPQ | Maier, Brett J | 2020-01-21 |
| KD9OYF | Yeoman, Robert P | 2020-02-26 |
| KD9OYN | SADOWSKI, REESE W | 2020-02-26 |
| KD9RAQ | Kopfman, Drew E | 2020-11-25 |
| KD9RAR | Garrity, Ethan T | 2020-11-25 |
| KD9RJP | Lazar, Jeffrey M | 2021-01-19 |
| KD9RT | PETROVICH, JEFFREY D | 2005-10-14 |
| KD9SBM | Demes, Manno D | 2021-03-15 |
| KD9SUF | Dobbelstein, Joshua M | 2021-06-03 |
| KD9TIA | Sabon, Chaz | 2021-08-18 |
| KD9TIB | Yepez, Fernando A | 2021-08-18 |
| KD9VFD | Brown, Glen R | 2022-05-24 |
| KD9VKX | Limosnero, Dennis | 2022-06-29 |
| KD9VLD | Limosnero, Daniel | 2022-06-29 |
| KD9VLE | Limosnero, Dean Matthew | 2022-06-29 |
| KD9WJF | Wolfgram, Jason P | 2023-01-20 |
| KD9WJG | PAINTER, MICHAEL | 2023-01-21 |
| KE9KZ | FLEER JR, PAUL F | 2018-04-18 |
| KF0HV | FUGATE JR, ROBERT H | 2020-09-29 |
| KF9QQ | WACASER, RICHARD E | 2004-01-15 |
| KF9UZ | SZARFINSKI, CAROL E | 2014-04-16 |
| KG4LXC | LLANES, MIGUEL A | 2021-02-11 |
| KJ4LNZ | KNIGHT, BRYAN A | 2019-02-08 |
| N0EJK | ROGERS, M KRISTEEN | 2017-02-02 |
| N9ANG | PEASE, FRANKLIN M | 2008-01-08 |
| N9CIF | ANDERSON, MARK B | 2012-12-05 |
| N9GGD | ROGERS, MARK M | 2017-02-02 |
| N9GGO | Breuss, Gerald P | 2018-08-07 |
| N9INE | HAMMARSTEDT, PAUL R | 2019-10-01 |
| N9JBH | Bach, Raymond R | 2018-07-03 |
| N9JSK | MAJEWSKI, CHARLES J | 2010-03-24 |
| N9LSP | LIM, SAMUEL K | 2011-07-01 |
| N9MOR | ROGERS, DAVID J | 2021-07-08 |
| N9OGH | ZACHREL, ANN MARIE A | 2011-11-16 |
