The Federal Communications Commission (FCC) has granted a total of 51 licenses and call signs in the category of Amateur license in Johnstown, 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 |
|---|---|---|
| AD0UM | Klink, David F | 2013-03-26 |
| K7LDX | DUTCHAK, KENNETH E | 2016-11-14 |
| KB0HKY | Zahn, Ian A | 2020-11-03 |
| KB0VMU | SMITH, BRENT D | 2006-01-06 |
| KB0VYY | SMITH, ROBERT L | 2006-01-18 |
| KB0WQZ | WRIGHT, EDWARD T | 2016-12-21 |
| KC0MSG | Einfalt, Glen Y | 2022-03-15 |
| KC0PVD | Klink, David F | 2013-03-26 |
| KC0QMK | Cook, Cindy L | 2013-11-01 |
| KC0QZR | Bessee, Donald J | 2013-10-30 |
| KC0VKH | Ruder, James P | 2016-01-28 |
| KC0VLX | Oplinger, Gary L | 2015-08-26 |
| | ||
| KC9WNL | Averill, Gregory M | 2022-06-14 |
| KD0HUL | Ferrell, Richard J | 2009-05-15 |
| KD0MNM | Clark, Ric I | 2021-02-12 |
| KD0ZFK | Crews, David C | 2014-02-20 |
| KE0BTX | ORRISON, KRISTOPHER R | 2014-09-25 |
| KE0FQC | Kniager, Jeremy | 2015-08-27 |
| KE0GMJ | Morris, James M | 2015-11-09 |
| KE0HIC | Burns, Robert W | 2016-01-28 |
| KE0JQX | Wuestenberg, Robert | 2016-06-20 |
| KE0JWI | Allen, Tyler R | 2016-07-18 |
| KE0KTM | Roberts, Kelly S | 2016-10-31 |
| KE0KTN | Roberts, Joy R | 2016-10-31 |
| KE0KWR | Horvath, Robert L | 2016-11-07 |
| KE0MKE | Schneider, Layne | 2017-03-07 |
| KE0NPF | Oden Jr, Harold D | 2017-06-05 |
| KE0ORR | Goetz, Michael L | 2017-10-12 |
| KE0TYX | Schanker, Corey K | 2018-12-18 |
| KE0WOS | Davis, Craig J | 2019-08-20 |
| KE0YVZ | Ford, Phillip R | 2019-12-31 |
| KE7HGJ | ROBINSON, THOMAS B | 2016-01-05 |
| KF0AIP | Daly, Peter V | 2020-05-29 |
| KF0BIB | Koontz, James R | 2020-08-24 |
| KF0BIF | Somoza, Amber | 2020-08-24 |
| KF0DFZ | Ratner, Zachary | 2021-01-19 |
| KF0EFS | Dyer, Cory K | 2021-03-02 |
| KF0EFU | Eldridge, Jenness L | 2021-03-02 |
| KF0GMY | Kenyon, Scott | 2021-08-23 |
| KF0GOF | Cranwell, Aiden J | 2021-08-30 |
| KF0GOG | Cranwell, Brad L | 2021-08-30 |
| KG0AX | ADKINS JR, CLATIS R | 2013-03-01 |
| KI6BLX | MONTANO, MARIO | 2015-10-21 |
| KJ6EAH | Christensen, Alward G | 2020-10-19 |
| N0CHK | PATERSON, WILLIAM G | 2015-10-24 |
| N0PYR | ZAHN, HELEN E | 2013-11-14 |
| N5GRY | HOOTEN, STEVEN P | 2014-05-29 |
| WB0MSF | WILSON, DON M | 2018-01-08 |
| WB0OHV | DE FEYTER, EDWIN W | 2005-01-04 |
| WB3KEF | NEIL, LUTHER L | 2007-12-18 |
| WB7UQO | DYKSTRA, DAVID A | 2014-04-29 |
