| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| AD0LQ | Howard, Richard P | Hudson | CO | E | N0VDK | 05/08/2012 | 05/08/2022 | Cancelled |
| AD0VK | Howard, Richard P | Hudson | CO | E | AD0LQ | 12/19/2014 | 12/19/2024 | Active |
| KB0OGT | POST Jr., DON L | Hudson | CO | T | 03/22/2016 | 07/16/2024 | Active | |
| KC0MBF | LITTON, DONALD B | HUDSON | CO | T | 01/02/2002 | 01/02/2012 | Cancelled | |
| KC0MZI | Markus, Eric G | HUDSON | CO | G | 03/08/2012 | 04/16/2022 | Cancelled | |
| KC0RRI | Johanson, Grant F | Hudson | CO | G | 01/29/2014 | 02/18/2024 | Active | |
| KC0YIW | Johanson, Susan F | Hudson | CO | T | 07/06/2016 | 08/22/2026 | Active | |
| KD0CEZ | Johnson, Ben | Hudson | CO | G | 11/26/2007 | 11/26/2017 | Expired | |
| KD0DVD | Stailey, Shane D | Hudson | CO | T | 04/25/2008 | 04/25/2018 | Expired | |
| KD0FMP | Stailey, Kelshey R | Brighton | CO | T | 10/28/2008 | 10/28/2018 | Expired | |
| KD0RPG | Howard, Richard P | Hudson | CO | T | 04/13/2012 | 04/13/2022 | Cancelled | |
| KD0SEM | Lanning, David A | Hudson | CO | G | 03/15/2022 | 06/08/2032 | Active | |
| KE0DXD | High Plains Amateur Radio Club | Hudson | CO | 04/07/2015 | 04/07/2025 | Active | ||
| KE0FAL | FINLEY, CULLEN S | HUDSON | CO | T | 06/24/2015 | 06/24/2025 | Cancelled | |
| KE0LNE | Stapleton, Jason D | Hudson | CO | T | 12/27/2016 | 12/27/2026 | Cancelled | |
| KE0RVP | Brady, Derek | Hudson | CO | G | 05/21/2018 | 05/21/2028 | Active | |
| KE0YVL | Vogel, Alexander H | Hudson | CO | G | 12/30/2019 | 12/30/2029 | Active | |
| N0HCB | HINES, GENE G | HUDSON | CO | T | 10/31/2006 | 01/28/2017 | Expired | |
| N0HCC | HINES, VIRGINIA S | HUDSON | CO | T | 10/31/2006 | 01/27/2017 | Expired | |
| N0HQF | HON, KEITH G | Hudson | CO | T | KA0VPN | 01/26/2010 | 04/24/2020 | Expired |
| N0VDK | Howard, Richard P | Hudson | CO | E | KD0RPG | 05/08/2012 | 05/08/2022 | Cancelled |
| W0IBA | Markus, Eric G | HUDSON | CO | G | KC0MZI | 11/22/2019 | 11/22/2029 | Active |
| WA0MMM | FINLEY, CULLEN S | HUDSON | CO | T | KE0FAL | 08/14/2015 | 08/14/2025 | Active |
| WB0LVI | PARKER, CARROLL L | HUDSON | CO | G | 10/23/2013 | 12/28/2023 | Active |