| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| K1WNQ | Welsh Jr, Joseph R | Jefferson | MA | G | 06/04/2004 | 06/04/2014 | Expired | |
| KB1BPW | VASTESE AMERICAN RADIO CLUB | HOLDEN | MA | 04/24/1995 | 04/24/2005 | Expired | ||
| KB1IQO | Magnuson, Alan W | Jefferson | MA | T | 05/11/2022 | 08/07/2032 | Active | |
| KB1IYY | Rocheleau, Wayne F | Jefferson | MA | G | 09/15/2012 | 10/29/2022 | Active | |
| KB1JMB | Raatikainen, Carl H | Jefferson | MA | T | 02/25/2003 | 02/25/2013 | Expired | |
| KB1PSD | Lyons, Christopher B | Jefferson | MA | T | 11/29/2007 | 11/29/2017 | Expired | |
| KB1PZX | Summit, Jeffrey L | Jefferson | MA | T | 02/29/2008 | 02/28/2018 | Expired | |
| KC1ALD | Latham, Eric P | Jefferson | MA | G | 09/12/2013 | 09/12/2023 | Cancelled | |
| KC1FXQ | Sieminski, Larry J | Jefferson | MA | G | 06/20/2016 | 06/20/2026 | Active | |
| KC1PJW | Oka, Masahiko | Jefferson | MA | T | 06/02/2021 | 06/02/2031 | Active | |
| KE1GY | HORTON, LEE A | JEFFERSON | MA | A | KE9JG | 11/08/2016 | 01/28/2027 | Active |
| N1GOC | Sullivan 864, Marjorie A | JEFFERSON | MA | T | KA1TKY | 05/22/2021 | 08/13/2031 | Active |
| N1KXZ | FREEMAN, MICHAEL R | JEFFERSON | MA | A | 11/20/2013 | 11/02/2023 | Active | |
| N1WXC | CARPENTER, DIANNE D | JEFFERSON | MA | T | 05/09/2006 | 03/28/2016 | Expired | |
| N1XYZ | ACKLEY, GWEN E | JEFFERSON | MA | G | 07/19/2016 | 10/10/2026 | Active | |
| W1EPL | Latham, Eric P | Jefferson | MA | G | KC1ALD | 11/06/2015 | 11/06/2025 | Active |
| W1GD | KERSUS, GERALD J | Jefferson | MA | E | 05/19/2021 | 08/13/2031 | Active | |
| WE1L | Andrews, Erick | Jefferson | MA | E | KB1SMI | 07/24/2019 | 10/14/2029 | Active |