| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| K4OSO | Coleman Sr, Milton B | Rockville | VA | E | KI4IEK | 12/02/2014 | 01/22/2025 | Cancelled |
| KA4SEA | Bulebush, James E | Rockville | VA | T | 02/05/2008 | 01/22/2017 | Expired | |
| KC4UAC | JENKINS, BRUCE W | ROCKVILLE | VA | T | 03/30/2021 | 03/30/2031 | Active | |
| KD4BMQ | Davis Jr, John P | Rockville | VA | E | 08/26/2002 | 08/06/2012 | Cancelled | |
| KD4ZOV | KEIFER, CHRISTOPHER T | ROCKVILLE | VA | T | 12/23/2004 | 03/23/2013 | Expired | |
| KG4WGS | Toler Jr, Eugene B | Rockville | VA | E | 12/03/2002 | 12/03/2012 | Cancelled | |
| KG5BXP | Spencer, Jeffrey B | Rockville | VA | E | 05/07/2014 | 05/07/2024 | Active | |
| KI4IEK | Coleman Sr, Milton B | Rockville | VA | G | 12/20/2004 | 12/20/2014 | Cancelled | |
| KI4SHD | Haines, William P | Rockville | VA | T | 11/27/2006 | 11/27/2016 | Expired | |
| KN4HRP | Miller, Roman M | Rockville | VA | T | 11/15/2017 | 11/15/2027 | Active | |
| KO4AXU | Felgenhauer JR, Manfred K | Rockville | VA | E | 01/13/2020 | 01/13/2030 | Active | |
| KO4TTG | Frakes, Charles | Rockville | VA | G | 10/04/2021 | 10/04/2031 | Active | |
| KQ4RO | BROOKS, THOMAS G | ROCKVILLE | VA | E | 01/07/2013 | 04/06/2023 | Active | |
| KQ4TO | GORDON, LARRY W | ROCKVILLE | VA | E | 03/25/2014 | 05/17/2024 | Active | |
| NE4BT | Toler Jr, Eugene B | Rockville | VA | E | KG4WGS | 06/24/2022 | 07/20/2032 | Active |
| WX3M | Coleman Sr, Milton B | Rockville | VA | E | K4OSO | 10/13/2021 | 10/13/2031 | Active |