Hmm... all TVs , STB's and computer dongles here are reporting that at least one, possibly two muxes on Sudbury are so corrupted as to be unusable.
Probably die to low power and/or interference via tropo scatter..from bloody Europe.
Dave and Sky News both borked.
or is summat else a-going on?
There've been several reports on relevant groups about dodgy reception today, I think there *is* a lift on ...
Not to my generalised Eyooreishness there aint. :-)
scatter..from
Looks at weather charts, yes could well be. The fairly large and stable high pressurre that has dominated the weather for the best part of a week has just moved away.
More likely side effects of an inbound CME (from s.a.a) there has been a fair bit of activity already this week from an active sunspot. Could be an aurora either tonight or tomorrow night too.
Space Weather News for March 14, 2012
SUNDIVING COMET: A bright comet related to sungrazing Comet Lovejoy is diving into the sun. The orbiting Solar and Heliospheric Observatory (SOHO) is monitoring the comet's death plunge even as the sun peppers the spacecraft with energetic particles accelerated by the March 13th solar flare. Images of the comet are featured on today's edition of
reception
It's been a bit stormy and there might have been a big enough aurora about a week ago when the turbulance from the CME from the X-Class flare arrived. Looking at various sites that I monitor for the levels of geomagnetic activity it's not quiet ATM but niether is is anything like stormy.
I'll put my money on Sporadic E rather than aurora.
I have my doubts, at least to be visible from here, 20 miles south of the Scottish Border with dark skies (when there is no cloud...).
In article , tony sayer scribeth thus
For those who might be interested;)...
I lost bbc1 2 bbc news and some others a day or so back at Crystal Palace, even though line of sight. I had to do a retune the next morning to make it work again. I wonder if anyone actually tested the robustness in the face of interference like this? With the lower quality of the error correction coming and an increase in power, one might expect more of the same in future lift conditions. Brian
And the presence of fog and all that sort of stuff causes temperature inversions which tend to encourage ducting. Brian
Might not help much, but you can usually see a tendency for all signals to come from the north in this case and I've not noticed this. Brian
well its all a question of relative signal strength..in my case I am 'looking' at Belgium and Germany 'through' only a couple of KW of actual MUX on the one that was in trouble.
Going to 100KW will certainly fix the issues.
I think as long as the wanted is 10dB above the unwanted, clean reception is possible.
The whole changeover thing is supposed to sort all this out - at least as far as UK stations go.
As far as trop. scatter or whatever it is, one hopes that the inverse square law takes care of over the horizon co channel crap.
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