If you live in the UK and a 4G wireless tower is going up right next to your house, you might want to hold off on the excitement. LTE networks occupying the 800MHz spectrum could cause some serious interference (sound familiar?), capable of knocking out around two million households' free terrestrial TV channels. An independent company has been set up to lessen the effects of the wayward waves and is installing government-subsidized filters in residences across the country. Bu