You might also check the "Solar Outage Report Fall 2010" PDF, a link to which is included in Scott's thread, "It's Solar Outage Season!," at:
http://www.satelliteguys.us/dish-network-forum/229101-its-solar-outage-season.html.
The 117 page report will show you the approximate time you can expect an outage on any Dish Network channel.
Sunspots can cause complete outages, for up to a few minutes, twice a year.
Everyone who receives data of any kind of a signal from a satellite is affected during the sun outage period. The times change each day.
In addition to spring and fall disruptions, other solar storms can cause irregular outages. More information about irregular activity is located here:
Can Solar Tsunamis Affect Life On Earth?
The report will show help you find the time and dates when your area will be affected.