Inside of boot where coax will come in. Our coax is to enter through one of two holes left from Hysperia installation that have been covered with clear RTV silicone. Also shown is the grounding panel that we may use to ground out polyphaser. Our coax from the other building will reach just inside the new building only neccesetating we purchase about 30 feet of additional cable to make it from the polyphaser to the transmitter.