All posts by DavidBelow are all of David's postings, with the most recent are at the bottom of the page.
DCrystal Palace (Greater London, England) Full Freeview transmit
Friday 10 February 2012 12:29AM
Alex. The HD channel is also at a higher bit rate, which means that it needs a better signal to noise ratio. This means that it is at a disadvantage of more than the factor of 2 implied by the relative transmit power, when compared with ITV multiplexes and even more when compared with BBC ones. It will still be at a disadvantage when it goes to full power in April.
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Wednesday 8 February 2012 1:16PM
Although not really interference (but neither are aerial group problems), selective fading due to multi-path effects, e.g. diffraction around an obstruction, could also knock out a single multiplex.