Prompted by @Ralph's thread about amplified TV aerials, and beginning the first fix wiring on my build I am questioning the requirement for antennae and signal distribution in the house. For a bit of context:   We will be 6km from a transmitter that supplies national and local DAB, DVB and FM, so even a bent coat hanger in the clear will get a usable signal. Internal aerials might work, but they are only so good when there's lots of graphite and foil insulating the house and a gar