The Dish Network User's Resource
This page is intended for hints, tips, tricks, and other valuable information related to installing or upgrading EchoStar systems.
Yes, with unpowered switches like the SW21 and SW42, the maximum overall length from the receiver to the LNB varies according to how far the switch is from the receiver. See: Recommended maximum cable lengths for use with SW21 and SW42 switches. Powered switches like the SW64 and the new SW44 have less stringent requirements and support much longer runs.
The FCC has established rules and procedures for this situation. See:
Additional help and support can be found at the Homeowners consumer news group.
news://misc.consumers.house.homeowner-assn. A Google search of past posts might turn up helpful information.