The Federal Communications Commission (FCC) has granted a total of 40 licenses and call signs in the category of Amateur license in Frederick, Colorado. 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 |
|---|---|---|
| KC0BJM | LORIMER, DONALD K | 2007-04-12 |
| KC0CCF | ADAMS, MARK D | 2018-02-21 |
| KC0GIR | White, Daniel D | 2009-09-23 |
| KC0GOH | Paul, Wendy D | 2009-08-01 |
| KC0GWQ | Paul, Kody T | 2009-12-22 |
| KC0KIU | Huff, Colleen M | 2021-05-29 |
| KC0QIS | EPPS, DAVE A | 2023-04-13 |
| KC0QZX | Southern, Terry L | 2013-11-06 |
| KD0WMT | VAN ROEKEL, AARON L | 2013-08-27 |
| KD0WTM | Berry, Dennis E | 2013-10-17 |
| KD0ZZZ | Reynolds, Craig W | 2014-04-14 |
| KE0EDO | Lawson, Rachel N | 2015-04-24 |
| KE0IAJ | Echelberger, Michael | 2016-03-07 |
| KE0NZK | Glover, Paul | 2017-07-18 |
| KE0OAS | Boyce, Bradley G | 2017-07-25 |
| KE0OOX | LAXSON, CHRISTOPHER | 2017-09-29 |
| KE0PQQ | WEIMER, MICHAEL A | 2018-01-02 |
| KE0PTI | Lucas, Charles J | 2018-01-16 |
| KE0UNK | Pendergrass, BJ | 2019-02-14 |
| KE0UXX | Molnar, Alexander J | 2019-03-18 |
| KE5GTG | Zielinski, Christopher A | 2016-02-18 |
| KF0ATB | Carson, Matthew R R | 2020-06-29 |
| KF0ATC | Custine, Christopher G | 2020-06-29 |
| KF0BDI | Welsh, Andrew | 2020-08-10 |
| KF0BIG | Steiner, Daryl D | 2020-08-24 |
| KF0BUR | ALEWEL, ZACHARY K | 2020-09-28 |
| KF0CFU | VAN GALDER, TREVOR | 2020-10-28 |
| KF0DGB | Mathews, Jose A | 2021-01-19 |
| KF0EUJ | daniel, blair | 2021-03-22 |
| KF0GHS | Vogel, David L | 2021-08-02 |
| KF0HCJ | purdy, stanley C | 2021-11-08 |
| KF0IKI | Smith, Pamela | 2022-03-21 |
| KF0KMG | Kraft, Jon | 2022-10-04 |
| KF0LDV | Neylon, Vincent | 2022-12-28 |
| KF0LPP | Runkle, Chason | 2023-02-22 |
| KG6HLQ | Gwartz, Gillian G | 2022-10-12 |
| KI7IDZ | Ewalt, Matt B | 2016-11-08 |
| KJ6SVW | Fairman, Chris D | 2011-11-23 |
| KK4GZP | Montgomery, Elijah J | 2012-02-16 |
| WB9YTR | Blair, Alan R | 2013-12-02 |
