Most programm on Dishnetwork are on the Echostar 119W satellite. If you have a DISH500, then you will use 110 and 119 satellite. Check your Azimuth, Elevation, and Skew for you new location and adjust the dish accordingly.
If you don't have a dish
installation manual, you can find installation support here:
http://sadoun.com/Sat/Installation/Installation.htm