Tonight's (Fri Apr 6, 2007) Nationals game will be aired on
MASN 2.
Click on MASN's web site at
http://www.masnsports.com/Index.cfm?At the top of the page it says:
Find MASN
Select provider and
enter zip code
MASN's web site says:
For Comcast Cable in
Montgomery County MD, MASN 2 is
channel 004.
For Cox Cable in
Fairfax County, VA, MASN 2 is on
channel 74.
Good luck.