
| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| AC7YT | Traveling Amateur Radio Team | Darby | MT | KJ7HYP | 08/20/2019 | 08/20/2029 | Active | |
| K6ZFO | ALMGREN, TED C | DARBY | MT | A | 09/30/2014 | 11/21/2024 | Active | |
| K7AF | RIDDELL, WILBUR A | DARBY | MT | E | 09/08/2003 | 11/30/2013 | Cancelled | |
| K7KBS | Trace, Geoffery R | Darby | MT | E | N6KBS | 02/14/2015 | 04/23/2025 | Active |
| K7LEL | PALMER, CATHLEEN J | Darby | MT | G | KD6LEL | 06/04/2013 | 06/04/2023 | Active |
| K9GT | DUNLAP, TED | Darby | MT | E | KF7ZEC | 07/09/2019 | 07/09/2029 | Active |
| KA0YLS | HAMMACK, JOHN C | DARBY | MT | N | 09/21/2004 | 12/20/2014 | Expired | |
| KA0YLT | HAMMACK, STEVE J | DARBY | MT | N | 02/17/2006 | 05/15/2016 | Expired | |
| KC7BZD | HONEY, DAVID L | DARBY | MT | T | 01/28/2004 | 04/19/2014 | Expired | |
| KC7KYO | MCBRIDE, RICHARD F | DARBY | MT | G | 04/21/2015 | 05/15/2025 | Active | |
| KC7MZU | Caizza, Susan M | Darby | MT | G | 07/06/2016 | 07/06/2026 | Active | |
| KD6AEG | JOHANSSON, CHRISTOPHE W | Darby | MT | T | 08/02/2001 | 08/27/2011 | Cancelled | |
| KD6FCC | COLEMAN, REGINA A | Darby | MT | G | 03/17/2012 | 03/17/2022 | Active | |
| KD6LEL | PALMER, CATHLEEN J | Darby | MT | T | 05/19/2012 | 06/30/2022 | Cancelled | |
| KD7ABP | MC BRIDE, CHERYLE L | DARBY | MT | T | 01/11/2007 | 05/02/2016 | Expired | |
| KD7CVE | JANDL, GUENTER W | DARBY | MT | P | 10/02/1998 | 10/02/2008 | Cancelled | |
| KD7HGM | White, Nancy B | Darby | MT | P | 12/10/1999 | 12/10/2009 | Expired | |
| KD7HGN | Tresemer, Erica A | Darby | MT | T | 10/17/2019 | 12/10/2029 | Active | |
| KD7HGO | Schultz, Joseph E | DARBY | MT | T | 11/20/2009 | 12/10/2019 | Expired | |
| KD7HGP | Tresemer, Alan | DARBY | MT | T | 10/09/2019 | 12/10/2029 | Active | |
| KD7HGQ | Schultz, Lisa J | DARBY | MT | T | 10/24/2019 | 12/10/2029 | Active | |
| KD7TQI | HOLLINGSWORTH, ERIN A | DARBY | MT | T | 12/16/2002 | 12/16/2012 | Expired | |
| KE6DNH | KOSAKA, KRISTIE J | Darby | MT | G | 08/26/2013 | 11/23/2023 | Active | |
| KE6DNI | KOSAKA, EUGENE H | Darby | MT | G | 08/26/2013 | 11/23/2023 | Active | |
| KF5GHI | Anderson, James P | Darby | MT | G | 03/04/2022 | 03/04/2032 | Active | |
| KF7CON | Floch, Rick F | Darby | MT | E | 02/28/2019 | 05/13/2029 | Active | |
| KF7PNI | JOHANSSON, CHRISTOPHE W | Darby | MT | T | KD6AEG | 07/15/2011 | 08/27/2021 | Active |
| KF7ZEC | DUNLAP, TED | Darby | MT | E | 10/25/2012 | 10/25/2022 | Cancelled | |
| KG6FNX | Crocker, Jesse F | Darby | MT | T | 03/04/2021 | 03/12/2031 | Active | |
| KG7GPR | Dunlap, Melissa N | Darby | MT | G | 11/18/2013 | 11/18/2023 | Active | |
| KG7GPS | Watson, Iris M | Darby | MT | T | 11/18/2013 | 11/18/2023 | Active | |
| KG7KGM | Gannon, Christina K | Darby | MT | T | 04/01/2014 | 04/01/2024 | Active | |
| KG7KGN | Magoon, Albert D | Darby | MT | G | 04/01/2014 | 04/01/2024 | Active | |
| KG7KGO | Gannon, Edward J | Darby | MT | G | 04/01/2014 | 04/01/2024 | Active | |
| KG7NAW | Gunterman, John F | Darby | MT | T | 07/07/2014 | 07/07/2024 | Active | |
| KG7NFC | Denslaw, Alex J | Darby | MT | T | 07/15/2014 | 07/15/2024 | Active | |
| KG7PHZ | Mortenson, Edward D | Darby | MT | G | 11/21/2014 | 11/21/2024 | Active | |
| KG7PQR | Magoon, Travis W | Darby | MT | G | 12/12/2014 | 12/12/2024 | Active | |
| KG7VJR | Magoon, Matthew B | Darby | MT | G | 08/07/2015 | 08/07/2025 | Active | |
| KI7YRE | Daniel, Chris K | Darby | MT | T | 06/04/2018 | 06/04/2028 | Active | |
| KJ4HXP | WALCZAK, PAUL | Darby | MT | T | 11/07/2018 | 11/17/2028 | Active | |
| KJ6SAI | Andersen, Robert D | Darby | MT | T | 09/08/2021 | 10/14/2031 | Active | |
| KJ7GXQ | Clothier, Jennifer A | Darby | MT | T | 05/31/2019 | 05/31/2029 | Active | |
| KJ7GXR | Fry, Ravi M | Darby | MT | T | 05/31/2019 | 05/31/2029 | Active | |
| KJ7HYP | Traveling Amateur Radio Team | Darby | MT | 07/17/2019 | 07/17/2029 | Cancelled | ||
| KJ7ZWP | Boyer, Kimberly M | Darby | MT | G | 07/21/2021 | 07/21/2031 | Cancelled | |
| KK7AHN | Branham, Jill M | Darby | MT | T | 08/16/2021 | 08/16/2031 | Active | |
| KK7EPE | Evans, Sharon P | Darby | MT | T | 03/21/2022 | 03/21/2032 | Active | |
| KK7JBO | Stacy, Gerald E | Darby | MT | G | 11/09/2022 | 11/09/2032 | Active | |
| N6KBS | TRACE, GEOFFERY R | DARBY | MT | E | WA9JKR | 12/17/2003 | 03/15/2014 | Cancelled |
| N6MLD | GRAVES, LOIS A | Darby | MT | G | 02/10/2015 | 05/01/2025 | Cancelled | |
| N7GX | CAIZZA, RICHARD | darby | MT | E | 12/24/2008 | 12/24/2018 | Cancelled | |
| N7KSC | HAMMACK, CINDA L | DARBY | MT | T | 01/11/2000 | 01/11/2010 | Expired | |
| NE7R | GRAVES, KEITH A | Darby | MT | E | W6TSP | 08/20/2019 | 08/20/2029 | Active |
| NG6X | Patterson, Jeffery S | Darby | MT | E | AJ6FK | 09/10/2019 | 09/10/2029 | Active |
| W6TSP | GRAVES, KEITH A | Darby | MT | E | KA6LAC | 02/19/2014 | 05/07/2024 | Cancelled |
| W7AFJ | PALMER JR, WILLIS C | Darby | MT | A | WD6AFJ | 04/03/2014 | 05/15/2024 | Active |
| W7CLH | HAMMACK, CHARLES L | DARBY | MT | A | WB0JOA | 02/11/2009 | 04/08/2019 | Expired |
| W7DCC | CASSONE, DUANE C | Darby | MT | G | W6ADC | 04/05/2022 | 04/05/2032 | Active |
| W7KMB | Boyer, Kimberly M | Darby | MT | E | KJ7ZWP | 11/23/2021 | 11/23/2031 | Active |
| W7LAG | GRAVES, LOIS A | Darby | MT | G | N6MLD | 08/06/2019 | 08/06/2029 | Active |
| WB6DVX | RUMMEL, LINDA D | DARBY | MT | N | 08/01/2003 | 10/19/2013 | Expired | |
| WD6AFJ | PALMER JR, WILLIS C | Darby | MT | A | 04/28/2004 | 05/17/2014 | Cancelled |