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All posts by John W

Below are all of John W's postings, with the most recent are at the bottom of the page.


Is there anyone in the Peterhead area who uses Durris for Freeview? My mum got a 12V masthead aerial installed on the roof recently and the reception on all channels is absolutely perfect, except for pixelation and drop-out which occurs every 9.8 seconds exactly.
If I had to guess, I would say we are getting interference from RRH Buchan which would be roughly in the line of sight, but I find it amazing that the installer wouldn't have been aware of this possibility (if this indeed is the cause, its my first assumption given the clockwork regularity of the interference).
Does anyone use Durris in the Peterhead area and have had to deal with this specific form of interference? Is there a specific filter type which could strip out the actual unwanted RF?

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MikeP:
Thanks for the reply, I have already tried attenuating the signal so the signal strength is around a static 60% (on the TV meters). The signal quality is 100% but drops to zero for a fraction of a second every 9.8 seconds. This periodicity is the same on two different television sets. Reception is perfect on all channels apart from this periodic fraction of a second.
The transmitter the aerial is pointing at (Durris) is over 50km to the south west (with a radar station RRH Buchan roughly in line of sight),and the local Freeview-lite transmitter is 1km away to the north west.


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