Question: what is the difference between western arc and eastern arc?
Answer: The first arc, the Western Arc, uses 3 satellites (110°, 119°, and 129°) to broadcast DISH programming. The newer arc, the Eastern Arc, also uses 3 satellites — 61.5°, 72.7°, and 77°. ... Depending on where you are, you may need to use a specific arc to receive the DISH local TV stations that are nearby.