| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| KB4GER | Doane, James N | Longmont | CO | T | KD0JWH | 10/17/2013 | 10/17/2023 | Active |
| KC0GGD | MURR, JEREMY J | LONGMONT | CO | T | 07/26/1999 | 07/26/2009 | Expired | |
| KC0VJE | Perley III, Louis L | Longmont | CO | G | 10/29/2015 | 11/01/2025 | Active | |
| KD0LYN | Perley, Daryllyn A | Longmont | CO | T | KD0AGR | 06/01/2017 | 06/01/2027 | Active |
| KD0PNR | Carpenter, Robert L | Longmont | CO | T | 07/28/2022 | 07/28/2032 | Active | |
| KD0TMV | Edwards, Stephen J | Longmont | CO | T | 10/29/2012 | 10/29/2022 | Active | |
| KD5DGO | OLDHAM, DAVID M | Longmont | CO | T | 10/22/2008 | 10/22/2018 | Expired | |
| KE0DQX | Carey Jr, Burl E | Longmont | CO | T | 03/24/2015 | 03/24/2025 | Active | |
| KE0MQD | Rush, Robert G | Boulder | CO | T | 03/23/2017 | 03/23/2027 | Active | |
| KE0VVG | Koether, Frederick G | Longmont | CO | T | 05/22/2019 | 05/22/2029 | Active | |
| KG4YHT | Peeples, Rodney A | Longmont | CO | T | 02/11/2003 | 02/11/2013 | Expired | |
| KH6JCG | ANDERSON, RONALD B | LONGMONT | CO | G | 07/15/1999 | 07/15/2009 | Expired | |
| W0ENO | LONGMONT AMATEUR RADIO CLUB INC | Longmont | CO | WB0VFN | 10/07/2016 | 11/19/2026 | Active | |
| W0UH | STIMITS, DAN M | LONGMONT | CO | E | 04/02/2003 | 04/13/2013 | Expired | |
| WI0P | BROWN, DOUGLAS D | LONGMONT | CO | E | 03/28/2008 | 04/23/2018 | Expired | |
| WI0Q | HASEGAWA, KENICHI | LONGMONT | CO | E | N0JCY | 05/30/2001 | 06/04/2011 | Expired |