
| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| AA1BW | GERGELY, LAJOS | Watertown | MA | E | 04/26/2022 | 05/05/2032 | Active | |
| AB2WS | Lyles, James T | Watertown | MA | E | KC2NFI | 05/28/2014 | 08/05/2024 | Active |
| AC1LE | KINTZING, CHRISTOPHER L | WATERTOWN | MA | E | KC1OUH | 10/22/2020 | 10/22/2030 | Active |
| K1DJC | ROSEN, WARREN J | Watertown | MA | A | 05/22/2018 | 05/22/2028 | Active | |
| K1ECC | Boltrus, Richard | Watertown | MA | A | 08/14/2018 | 09/25/2028 | Active | |
| K1JLT | ERIKSON, HERBERT L | WATERTOWN | MA | G | 04/02/2004 | 03/22/2014 | Expired | |
| K1PLL | GOIS, LUIS C | Watertown | MA | E | N1WPZ | 04/12/2022 | 06/16/2032 | Active |
| K9ERA | Cohen, Barb A | Watertown | MA | G | WD9ERI | 10/23/2017 | 01/14/2028 | Active |
| K9HI | Temples, Phillip E | Watertown | MA | E | 04/24/2014 | 07/15/2024 | Active | |
| KA1JCB | Behn, Jeff | Watertown | MA | T | KB8JCB | 05/08/2020 | 05/08/2030 | Active |
| KA1JHT | ADAMO, DOROTHY F | WATERTOWN | MA | T | 10/19/2016 | 11/18/2026 | Active | |
| KA1JHZ | WYCKOFF JR, WILLIAM E | WATERTOWN | MA | G | 03/29/2022 | 04/14/2032 | Active | |
| KA1NIW | PIERCE, SHELBY | Watertown | MA | T | 01/11/2017 | 02/07/2027 | Active | |
| KB1CPH | HIGGINS, CHRISTOPHER P | WATERTOWN | MA | T | KB1LPC | 12/30/2014 | 12/30/2024 | Active |
| KB1FTC | Wilson, Lawrence P | WATERTOWN | MA | G | 11/04/2020 | 11/18/2030 | Active | |
| KB1KLD | MARTIN, DEBRA D | WATERTOWN | MA | T | 10/24/2003 | 10/24/2013 | Expired | |
| KB1MBN | GERMANA III, GUY T | WATERTOWN | MA | E | 01/13/2015 | 03/07/2025 | Active | |
| KB1NSD | Ejima, Aki | Watertown | MA | T | 06/20/2006 | 06/20/2016 | Expired | |
| KB1NSF | Toba, Gakuta | Watertown | MA | T | 06/20/2006 | 06/20/2016 | Expired | |
| KB1OCO | Kindzerske, John | Watertown | MA | T | 10/31/2006 | 10/31/2016 | Expired | |
| KB1PMQ | AMBROGIO, EDWARD P | WATERTOWN | MA | G | 07/10/2017 | 09/27/2027 | Active | |
| KB1QLS | Steeves, John M | Watertown | MA | T | 05/06/2008 | 05/06/2018 | Cancelled | |
| KB1SZS | COLLINS, WILLIAM E | WATERTOWN | MA | G | 09/25/2009 | 09/25/2019 | Cancelled | |
| KB1TRC | Jackson, Robert J | Watertown | MA | T | 02/05/2010 | 02/05/2020 | Expired | |
| KB1WOE | Akhonen, Aleksey | Watertown | MA | T | 01/24/2012 | 01/24/2022 | Active | |
| KB1YKS | MELE, MATTHEW S | Watertown | MA | T | 06/29/2012 | 06/29/2022 | Active | |
| KB1YWD | HANS, ARNE | WATERTOWN | MA | G | 11/02/2012 | 11/02/2022 | Cancelled | |
| KB3TPL | Porch, Jesse M | Watertown | MA | T | 05/14/2020 | 05/14/2030 | Active | |
| KB3TPS | Porch, Amelia E | Watertown | MA | T | 05/27/2020 | 05/27/2030 | Active | |
| KB8JCB | Behn, Jeffrey C | Watertown | MA | T | KC1MWE | 04/07/2020 | 04/07/2030 | Cancelled |
| KC0BJK | STEWART, MATTHEW A | Watertown | MA | T | 05/23/2007 | 06/23/2017 | Cancelled | |
| KC0HLL | Cougar, Heather F | Watertown | MA | T | 09/02/2011 | 09/02/2021 | Cancelled | |
| KC1DKX | Pastore, Andrew J | Watertown | MA | T | 03/20/2015 | 03/20/2025 | Active | |
| KC1EUY | KENNEDY, MICHAEL W | Watertown | MA | T | 12/11/2015 | 12/11/2025 | Active | |
| KC1GCV | Clark, Ian R | Watertown | MA | T | 08/04/2016 | 08/04/2026 | Active | |
| KC1HCR | Davis, Nicole R | Watertown | MA | T | 03/01/2017 | 03/01/2027 | Active | |
| KC1HPU | Guzzo, Paul S | Watertown | MA | T | 05/16/2017 | 05/16/2027 | Active | |
| KC1INM | Manacas, Noah | Watertown | MA | T | 11/16/2017 | 11/16/2027 | Active | |
| KC1KLK | WATANABE, BENJAMIN G | WATERTOWN | MA | T | 10/30/2018 | 10/30/2028 | Active | |
| KC1LAD | Hutchison, Tyler L | Watertown | MA | T | 02/25/2019 | 02/25/2029 | Active | |
| KC1LFH | NAZEMI, DAVID R | WATERTOWN | MA | T | 03/28/2019 | 03/28/2029 | Active | |
| KC1MWE | Behn, Jeffrey C | Watertown | MA | T | 03/19/2020 | 03/19/2030 | Cancelled | |
| KC1MYX | Chagnon, Jeffrey T | WATERTOWN | MA | T | 04/24/2020 | 04/24/2030 | Cancelled | |
| KC1MZM | Morales, Michael E | Watertown | MA | G | 05/04/2020 | 05/04/2030 | Cancelled | |
| KC1MZN | Morales, Canon V | Watertown | MA | G | 05/04/2020 | 05/04/2030 | Cancelled | |
| KC1NQL | Bianco, Brian W | Watertown | MA | T | 08/17/2020 | 08/17/2030 | Active | |
| KC1NXW | BERCELI, LOUIS C | WATERTOWN | MA | T | 10/06/2020 | 10/06/2030 | Active | |
| KC1OAW | KINTZING, CHRISTOPHER L | WATERTOWN | MA | G | 10/22/2020 | 10/22/2030 | Cancelled | |
| KC1OEA | Scher, Adam K | Watertown | MA | T | 11/13/2020 | 11/13/2030 | Active | |
| KC1OUH | KINTZING, CHRISTOPHER L | WATERTOWN | MA | E | KC1OAW | 10/22/2020 | 10/22/2030 | Cancelled |
| KC1PGJ | Millard, Jeffrey | Watertown | MA | T | 05/05/2021 | 05/05/2031 | Active | |
| KC1QCM | Russell, William | Watertown | MA | G | 11/22/2021 | 11/22/2031 | Active | |
| KC1RUC | Lefebvre, Troy A | Watertown | MA | T | 09/07/2022 | 09/07/2032 | Active | |
| KC1SHL | Weber, Joseph R | WATERTOWN | MA | T | 12/23/2022 | 12/23/2032 | Active | |
| KC2AYM | LAMBERTZ, DAVID G | WATERTOWN | MA | T | 01/17/2017 | 02/24/2027 | Active | |
| KC9CJH | SUTHER, DAVID J | WATERTOWN | MA | T | 07/25/2012 | 09/09/2022 | Active | |
| KD2AMR | Thompson, Erik M | Watertown | MA | G | 07/27/2021 | 07/27/2031 | Active | |
| N1EHI | MAROTTA, LOUIS J | WATERTOWN | MA | G | 05/24/2016 | 08/05/2026 | Active | |
| N1ENO | RUSSES, ROBERT | Watertown | MA | G | 02/24/2015 | 05/11/2025 | Active | |
| N1HEQ | WADE, RICHARD D | WATERTOWN | MA | T | KA1SVG | 11/05/2019 | 12/12/2029 | Active |
| N1KZC | MINASIAN, ARTHUR K | WATERTOWN | MA | G | 01/05/2022 | 01/07/2032 | Active | |
| N1NZW | BRONZO, FRANK A | WATERTOWN | MA | T | 01/06/2003 | 01/05/2013 | Expired | |
| N1PHK | KOMINIK, GLEN S | Watertown | MA | G | 03/04/2003 | 06/01/2013 | Cancelled | |
| N1SWG | MYRA, CHARLES J | WATERTOWN | MA | T | 08/29/2014 | 08/29/2024 | Active | |
| N2QQT | HOUSTEN, DREW T | WATERTOWN | MA | T | 03/08/2022 | 05/05/2032 | Active | |
| N8QWI | BRONIATOWSKI, DANIEL C | Watertown | MA | E | 09/24/2013 | 12/14/2023 | Cancelled | |
| NO1W | HIRAHARA, TATSUYA | Watertown | MA | E | 11/15/2017 | 01/30/2028 | Active | |
| W1JMS | Steeves, John M | Watertown | MA | T | KB1QLS | 07/06/2018 | 09/05/2028 | Active |
| W1LDE | COLLINS, WILLIAM E | WATERTOWN | MA | E | KB1SZS | 11/10/2009 | 11/10/2019 | Cancelled |
| W1PL | COLLINS, WILLIAM E | WATERTOWN | MA | E | W1LDE | 04/02/2010 | 04/02/2020 | Cancelled |
| W1QLZ | Chagnon, Jeffrey T | WATERTOWN | MA | T | KC1MYX | 05/15/2020 | 05/15/2030 | Active |
| W1TCC | CONSTABLE, TIMOTHY C | Watertown | MA | A | WB1EXG | 08/29/2018 | 11/18/2028 | Active |
| WA2TXL | GOTHAM CITY RADIO ASSOCIATION | Watertown | MA | KC2DJS | 03/23/2010 | 03/23/2020 | Expired | |
| WB2TXL | RAND, LAWRENCE D | Watertown | MA | A | 12/31/2010 | 02/26/2021 | Active | |
| WX1G | HUNT, DAVID A | WATERTOWN | MA | E | KA1CEY | 09/14/2021 | 10/22/2031 | Active |