I can't find any photos of actual radar installations with small details, like say the power/data cable. Do you run it through the grommet below the dome or above? Seems like if below, which is a bit neater, water would more likely run down it and into the mast. If above the dome, water would run down to said dome. Either way, I suppose a drip loop could be made in the cable. Or perhaps grommets really work and this is not an issue! Thx.