Rumi Forum has added Montgomery TV to its list of channels that it broadcasts on:
DC TV:
Comcast 95, RCN 10, Verizon10
schedule here
Arlington TV:
Comcast 69, Verizon 38
Fairfax TV:
Cox 30, Verizon 30
Montgomery TV:
Verizon 19, 21, Cox 19, 21, RCN 19, 21