My best guess on the length of the cable run is about 220 feet (90' on the tower, 40' to the building and 90' inside the building to the existing splitter where the cable lead enters the building from the street. I plan to place an A/B switch there. The purpose is for redundancy when the cable system goes down in storms, etc. The antenna will continue to supply a tv feed for our town's emergency operations center at our police department. I'm unsure about calculating signal loss. The existing cable system feeds seven tv sets in the building.
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