|Central Maryland Repeater Group||0 Listeners|
|Davison Army Air Field and JB Andrews Tower||0 Listeners|
|Fairfax County Fire and Rescue|
4A dispatch. 4 bravo response 4 Charlie and 4 delta. Zones 4-43.
|Fairfax County Police, Fire and EMS|
Fairfax County Fire, Police and EMS services combined. Fire and EMS - 4-Alpha (Dispatch), 4-Bravo (Response), 4-Charlie (Interstate Response), 4-Delta thru 4-Kilo (major incidents), Fairfax City. Police - all district dispatches
|Franconia Area Railroad - AMTK, CSX, NS||1 Listeners|
|Metropolitan Washington Airports Authority (MWAA) Public Safety|
Fire/Rescue and Police for both DCA and IAD, plus the airport operations channels (no aircraft traffic).
|Virginia State Police Dispatch 1 and 2|
VSP FFX Dispatch 1 and VSP FFX Dispatch 2