re picking up cable tv with an aerial in article apr mav com toddi mav com todd inch writes in england they do did require permits to operate a tv supposedly the tv police drove around with rf detectors looking for the if or whatever produced by a receiver that wasn t registered i m guessing the purpose was just something else they could get away with taxing i don t know if the tv police were are just urban legend or an actuality they are real and we still pay licence fees to receive tv the detector vans pick up the if true this tells them what channel you are watching the can also pick up the line time base freq and frame rate try it with a lw mw radio near telly it picks up a sharp hum from this they can even watch poor quality though what you have on the screen by picking up re radiating junk michael brown csulo csv warwick ac uk mjb dcs warwick ac uk lost interest it s so bad i ve lost apathy
