N notageek New member Mar 11, 2009 #1 Communications satellites orbit above the equator in circles of radius 36,000 km (six times larger than Earth's radius!). To simplify the problem, assume that the signal goes straight up and straight down.
Communications satellites orbit above the equator in circles of radius 36,000 km (six times larger than Earth's radius!). To simplify the problem, assume that the signal goes straight up and straight down.