| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| K1LRB | Newton, Russell F | Northfield | MA | G | 11/04/2015 | 01/30/2026 | Active | |
| K1SMY | Dickerman, Christopher R | Northfield | MA | G | KB1SMY | 11/13/2020 | 11/13/2030 | Active |
| KB1FXO | Nadeau, David F | Northfield | MA | T | 11/28/2000 | 11/28/2010 | Expired | |
| KB1GNF | Powell, David F | Northfield | MA | T | 01/26/2021 | 03/29/2031 | Active | |
| KB1IAE | Dickerman, Cynthia A | Northfield | MA | G | 03/20/2002 | 03/20/2012 | Cancelled | |
| KB1IPU | Fisher, Norma I | Northfield | MA | T | 07/26/2022 | 07/26/2032 | Active | |
| KB1LUP | Ondras, Warren D | Northfield | MA | T | 09/06/2014 | 11/29/2024 | Active | |
| KB1LUQ | McLoughlin, Lisa A | Northfield | MA | T | 09/06/2014 | 11/29/2024 | Active | |
| KB1NNZ | Schweikert, William W | Northfield | MA | T | 05/17/2006 | 05/17/2016 | Expired | |
| KB1SMY | Dickerman, Christopher R | Northfield | MA | G | 05/27/2009 | 05/27/2019 | Cancelled | |
| KB1TKB | Rogers, Andrew K | Northfield | MA | T | 12/01/2009 | 12/01/2019 | Expired | |
| KC1LXJ | Otto, Timothy J | Northfield | MA | T | 09/16/2019 | 09/16/2029 | Active | |
| KH2WK | Rhenow, David C | NORTHFIELD | MA | T | 04/12/2012 | 06/10/2022 | Active | |
| N1TEU | FISHER JR, RUSSELL C | NORTHFIELD | MA | T | 09/26/2014 | 10/12/2024 | Active | |
| W1CAD | Dickerman, Cynthia A | Northfield | MA | E | KB1IAE | 07/23/2020 | 10/15/2030 | Active |
| W1IPN | NORTHFIELD MOUNT HERMON SCHOOL AMATEUR RAD CL | Northfield | MA | 03/02/2006 | 03/02/2016 | Expired | ||
| W1ZPB | Congdon, Walton G | Northfield | MA | E | 04/02/2007 | 06/30/2017 | Expired | |
| WA1QKT | Dickerman, Robert L | Northfield | MA | E | 12/31/2014 | 03/20/2025 | Active | |
| WA1RHE | SHORT, KENNETH H | NORTHFIELD | MA | T | 12/29/2017 | 03/11/2028 | Active | |
| WB1HJG | MAGLIOLA, BRUCE C | NORTHFIELD | MA | N | 12/04/2004 | 01/31/2015 | Expired |