I would not agree that Ofcom could readily detect the use of high power as there are so many factors involved in the strength or a received signal. For example, the distance of the transmitter from the Ofcom receiving station (still at Baldock?), time of day, solar activity and type of antenna and length of transmission line in use.
A faulty Freeview box would have been found presumably as a result of a complaint of interference to Ofcom. You cannot compare this with the detection of particular power levels on HF R/T.
There is virtually no policing of the radio spectrum in the UK. Well, certainly not to the same levels as when I obtained my amateur licence. In those days stations inspections were fairly common several times per year. Now, it must be 20 years since a radio inspector visited my station.
Last edited by HEATHROW DIRECTOR; 17th Nov 2012 at 19:13.