
| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| AA3II | 219 Amateur Radio Club | Oakland | MD | KC3TII | 01/25/2022 | 01/25/2032 | Active | |
| K3EE | Moynahan, Mark A | Oakland | MD | E | 06/12/2013 | 09/07/2023 | Active | |
| K3JWK | KESTNER, JERRY W | OAKLAND | MD | G | N3VCE | 09/20/2018 | 10/29/2028 | Active |
| K3PWL | Lewis, Phillip W | Mountain Lake Park | MD | G | KB3ZBP | 08/01/2014 | 08/01/2024 | Cancelled |
| K3TCD | LEWIS, PHILLIP W | OAKLAND | MD | E | N3LIL | 08/18/2017 | 08/18/2027 | Active |
| K3TYW | MC ROBIE, JAMES T | oakland | MD | T | N3IZB | 06/03/2017 | 06/03/2027 | Active |
| K3WJ | KESTNER II, JERRY W | OAKLAND | MD | E | KE3XI | 09/21/2018 | 10/05/2028 | Active |
| KA3HXO | DE LOACH SR, RICHARD H | OAKLAND | MD | E | 02/28/2001 | 05/28/2011 | Expired | |
| KA3SKW | KENNER, KENNETH M | MOUNTAIN LAKE PARK | MD | G | 12/29/2017 | 03/26/2028 | Active | |
| KA3SPI | KENNER, JACQUELINE C | MOUNT LAKE PARK | MD | T | 12/29/2017 | 03/16/2028 | Active | |
| KA3UPV | KING, TOMMY G | OAKLAND | MD | T | 06/05/2019 | 06/05/2029 | Active | |
| KB3AVZ | MORFE, FRANCIS C | Oakland | MD | G | 01/07/2014 | 03/29/2024 | Active | |
| KB3CFB | JANOSKE, LISA L | OAKLAND | MD | T | 02/09/2018 | 03/04/2028 | Active | |
| KB3CKI | CORLEY, ROBERT E | OAKLAND | MD | T | 03/26/2019 | 05/05/2029 | Active | |
| KB3DNR | FORMAN, PATRICK R | OAKLAND | MD | T | 01/16/2009 | 03/17/2019 | Expired | |
| KB3ENI | Helbig, Christian E | Oakland | MD | T | 12/22/1999 | 12/22/2009 | Expired | |
| KB3FMJ | Shomo, William | Oakland | MD | E | 07/09/2020 | 09/22/2030 | Active | |
| KB3IUH | Burnett, Ralph M | Oakland | MD | T | 11/20/2002 | 11/20/2012 | Expired | |
| KB3JFL | Wolfe, John A | OAKLAND | MD | T | 09/25/2013 | 03/06/2023 | Active | |
| KB3KFH | Baker, Irene E | Oakland | MD | T | 12/05/2014 | 12/05/2024 | Active | |
| KB3MZU | BONSER, ROBERT S | OAKLAND | MD | E | 12/03/2015 | 12/22/2025 | Active | |
| KB3NNU | Frick, Joshua A | Oakland | MD | T | 03/23/2016 | 05/16/2026 | Active | |
| KB3NOH | Frick Mrs, Sherry L | Oakland | MD | T | 04/12/2016 | 05/16/2026 | Active | |
| KB3OHQ | Domenick, Natalie A | Mt Lake Park | MD | T | 12/07/2006 | 12/07/2016 | Expired | |
| KB3SKW | Garrett County Amateur Radio Emergency Service | Mtn Lake Park | MD | 03/12/2009 | 03/12/2019 | Expired | ||
| KB3TXG | Sweitzer, Remington G | Oakland | MD | T | 12/10/2019 | 01/26/2030 | Active | |
| KB3TZB | France, Morgan C | OAKLAND | MD | E | 11/08/2019 | 02/04/2030 | Active | |
| KB3UMW | HAMILTON, JEREMIE A | OAKLAND | MD | G | 05/05/2020 | 05/13/2030 | Active | |
| KB3URQ | Burton, Douglas J | Oakland | MD | T | 06/11/2010 | 06/11/2020 | Expired | |
| KB3URR | Orr, Bob M | Oakland | MD | T | 06/11/2010 | 06/11/2020 | Expired | |
| KB3URS | Paugh, Julie P | Oakland | MD | T | 06/09/2020 | 06/11/2030 | Active | |
| KB3URT | Sweitzer, Madison P | Oakland | MD | T | 06/10/2020 | 06/11/2030 | Active | |
| KB3WSZ | Robinette, Linda L | Mount Lake Park | MD | T | 11/29/2011 | 11/29/2021 | Active | |
| KB3WTB | Stewart, Nancy L | Oakland | MD | G | 11/29/2011 | 11/29/2021 | Active | |
| KB3WTC | Stewart, Russell E | Oakland | MD | E | 09/02/2021 | 11/29/2031 | Active | |
| KB3WUZ | Harkins, Nicholas J | Oakland | MD | T | 12/15/2011 | 12/15/2021 | Active | |
| KB3WVA | Bowman, Linda L | Oakland | MD | T | 12/15/2011 | 12/15/2021 | Active | |
| KB3ZBP | Lewis, Phillip W | Mountain Lake Park | MD | G | 08/10/2012 | 08/10/2022 | Cancelled | |
| KB8NUF | GIFT, TIMOTHY R | Oakland | MD | G | 10/17/2013 | 01/06/2024 | Active | |
| KC3KJQ | Kutchman, Richard A | Oakland | MD | E | 12/04/2017 | 12/04/2027 | Active | |
| KC3KSX | Browning, Patrick H | Oakland | MD | G | 02/09/2018 | 02/09/2028 | Active | |
| KC3KYG | Flinn, Bobby G | Oakland | MD | T | 03/09/2018 | 03/09/2028 | Active | |
| KC3LL | UPDYKE, DORRIS C | OAKLAND | MD | A | 03/13/2019 | 05/31/2029 | Active | |
| KC3LML | Wolf, Jackalynn R | Oakland | MD | T | 05/21/2018 | 05/21/2028 | Active | |
| KC3NQA | Vontz, Francis E | Oakland | MD | G | 06/14/2019 | 06/14/2029 | Active | |
| KC3TII | 219 Amateur Radio Club | Oakland | MD | 01/06/2022 | 01/06/2032 | Cancelled | ||
| KC3TNI | OBrien, Patrick J | Oakland | MD | T | 02/22/2022 | 02/22/2032 | Cancelled | |
| KC3TNJ | Ogden Sr, Peter R | Oakland | MD | T | 02/22/2022 | 02/22/2032 | Active | |
| KC3TZG | McDonagh, Sean J | Oakland | MD | E | 04/13/2022 | 04/13/2032 | Active | |
| KD3RH | FRIEND, DONALD F | Oakland | MD | A | N4SDT | 02/07/2001 | 03/10/2010 | Cancelled |
| KD4UCP | Moynahan, Denise H | Oakland | MD | G | KA3TFP | 09/26/2012 | 11/10/2022 | Active |
| KL7IUI | LEE III, WILLIAM F | Mountain Lake Park | MD | E | 02/04/2020 | 05/01/2030 | Active | |
| N3EGS | WOLFORD, JARRYL M | MOUNT LAKE PARK | MD | G | 03/26/2015 | 05/03/2025 | Active | |
| N3FIR | FRIEND, DONALD E | MOUNTAIN LAKE PARK | MD | A | KA3OTM | 01/17/2003 | 02/23/2013 | Expired |
| N3HJN | HAMRICK, KARL A | Mt lake park | MD | T | 02/06/2019 | 04/12/2029 | Active | |
| N3IWO | HAMRICK, DEBORA A | MOUNTAIN LAKE PARK | MD | T | KA3YGQ | 11/16/2000 | 02/12/2011 | Expired |
| N3IZB | MC ROBIE, JAMES T | oakland | MD | T | KA3YHZ | 12/31/2002 | 12/31/2012 | Cancelled |
| N3KAM | FERGUSON, ELIZABETH A | MT LAKE PARK | MD | T | 05/13/2011 | 07/16/2021 | Active | |
| N3KAT | KEE JR, ROLAND J | MOUNT LAKE PARK | MD | G | 06/16/2021 | 07/16/2031 | Active | |
| N3LIL | Lewis, Phillip W | Mountain Lake Park | MD | G | K3PWL | 09/29/2015 | 09/29/2025 | Cancelled |
| N3LIL | MC ROBIE, NINA J | MOUNT LAKE PARK | MD | T | KA3YJS | 02/01/2003 | 02/01/2013 | Expired |
| N3MGQ | STOWELL, JEREMY W | MT LAKE PARK | MD | T | 03/11/2002 | 05/19/2012 | Expired | |
| N3OKS | OBrien, Patrick J | Oakland | MD | T | KC3TNI | 03/15/2022 | 03/15/2032 | Active |
| N3OQV | WHITE JR, MARVIN E | OAKLAND | MD | T | 02/14/2013 | 03/23/2023 | Active | |
| N3ORM | CANAN JR, ROBERT D | OAKLAND | MD | T | KB3AOQ | 08/01/2013 | 08/21/2023 | Active |
| N3QEW | SHAFFER, PAUL E | OAKLAND | MD | T | KA3CPQ | 10/21/2003 | 10/21/2013 | Expired |
| N3QYH | GLOTFELTY, MARTIN E | Oakland | MD | G | 09/27/2013 | 11/23/2023 | Active | |
| N3RAR | FRANCHETTI, MICHAEL J | Oakland | MD | T | 12/25/2013 | 12/25/2023 | Active | |
| N3RIT | HYSON SR, JOHNNIE R | OAKLAND | MD | T | 12/11/2003 | 01/25/2014 | Expired | |
| N3RVP | MC CLUNG, JERRY M | OAKLAND | MD | T | 02/03/2004 | 04/12/2014 | Expired | |
| N3RVU | BAKER, DOUGLAS A | OAKLAND | MD | G | 12/02/2014 | 12/02/2024 | Active | |
| N3RYP | GNEGY, JAMES A | OAKLAND | MD | T | 03/11/2014 | 05/17/2024 | Active | |
| N3RYQ | WHITE, MARTHA L | OAKLAND | MD | T | 07/30/2014 | 10/27/2024 | Active | |
| N3SGL | CROSCO, BEATRICE J | OAKLAND | MD | T | 06/17/2014 | 07/07/2024 | Active | |
| N3TGM | MAC NICHOL III, EDWARD F | OAKLAND | MD | T | 07/30/2014 | 09/09/2024 | Active | |
| N3WRB | FRANCHETTI, DONNA M | Oakland | MD | T | 05/14/2016 | 05/14/2026 | Active | |
| N3ZRL | JANOSKE, WILLIAM E | OAKLAND | MD | T | 05/09/2007 | 07/03/2017 | Expired | |
| NY3Z | FRIEND, DONALD F | Oakland | MD | E | W3OBX | 04/23/2021 | 04/23/2031 | Active |
| W3OBX | FRIEND, DONALD F | Oakland | MD | E | KD3RH | 12/31/2019 | 12/31/2029 | Cancelled |
| W3PH | HELLER III, PAUL R | Oakland | MD | E | 10/11/2017 | 01/08/2028 | Active | |
| WA3MKN | DONLEY JR, DANIEL G | OAKLAND | MD | E | 06/11/2021 | 09/03/2031 | Active | |
| WA3MPE | AULT, ROBERT L | OAKLAND | MD | A | 04/19/2004 | 07/08/2014 | Expired | |
| WA8OXP | HAMMOND, ROBERT D | Oakland | MD | T | 09/28/2017 | 09/28/2027 | Active | |
| WB3FWC | Boehmer, William C | Oakland | MD | G | 11/09/2006 | 01/31/2017 | Expired | |
| WJ3V | KELLEY, TODD W | MT LAKE PARK | MD | E | 08/11/2021 | 10/15/2031 | Active |