All posts by Nick
Below are all of Nick's postings, with the most recent are at the bottom of the page.
Thanks Mark,
I will give Sudbury a few days and see if it settles down, otherwise I think Tacolneston is worth a try. I understand since going digital it has a higher mast and coverage, Aldeburgh is no good, not even got ITV 3.
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Please would someone explain what is meant by 'line of sight' re tv transmissions? Presumably this does not mean that with sufficient magnification we could see the transmitter. I ask as Dave kindly said from my location Dover was 66 miles, line of sight. Apart from North Kent, there is just sea between here and Dover, and the curvature of the earth means there is a huge wall of water between.
Incidentally, it was only in summer I could get good analogue from Dover, with C4 particularly unwatchable in winter, so guess I am currently getting some help to get all digital channels. In winter the signal could vary significantly minute to minute, sea mist being suggested as the cause. Thanks.
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Thanks Les, but what about all that sea? I can't see beyond a few miles from my upstairs window which overlooks Dover, theoretically, nor can my aerial, because of the curvature of the earth giving me 60 odd miles of deep water in the way.
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Why is it that the info, top, is out of date re xmitter power/frequencies, yet there is a seemingly current message about xmitter works?
On the other page about Sudbury switchover it says xmitter works from 18 June for a week, so how do we know if they have finished?
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Thanks Mark.
Les, I am afraid I still do not follow your reasoning about the sea. I have a shed at the bottom of my garden where I play about with tellies. I cannot get my local transmitter, Sudbury, as there is a tree in the neighbour's garden.
I can, however, get Dover as it comes from a different direction with no tree in the way. There is, however, a wall of sea, probably 50 miles thick due to the curvature of the earth between here and Dover 66 miles away.
What is the difference between that tree and the wall of water?
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Dave, you are a mine of information.
But why is it when I look out of my window over the sea, I can only see ships, say, 10 miles out at most before the sky meets the sea? Are you saying that if my upstairs window was only 13 metres higher I could technically see Dover?
What effect do you think a sudden sea mist has? Is it like the tree in the neighbour's garden?
When Dover was analogue the picture could go from strong to almost imperceptible in minutes.
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You are a treasure, Dave.
I wonder why you differentiate the coms, though.
I suppose the fact that the atmosphere in winter is just plain damp also reduces the signal.
I had thought that my current good reception was similar to the fact that those blessed Dutchmen mess us about in summer, ie atmospherics, but presumably not so. I just get a good signal in its own right, with it reduced due to moisture.
I suppose if I play about trying to get an inland xmitter such as Tacolneston I will be less affected by mist etc. To think, you have given me all this time when all these problems might be caused by men playing with the Sudbury xmitter, who knows if they are or if they have finished.
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Thanks Robert, but where are you, roughly, as that makes all the difference to reception?
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Thanks Robert, still missing many channels, a friend tells me they are still playing for another week.
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Tuesday 3 July 2012 7:24PM
Aldeburgh
Thanks again, Dave. I only go up to 300 odd, and they are blank. Yes, Sud and Alde are the same region, I was just wondering if I opted for Dover, which seems crazy, if I could get Anglia from Aldeburgh also, as Aldeburgh comes in with a bit of damp string, no need for separate aerial. In any case, diplexing aerials leads to loss of gain on both.
Yes, Sandy is Anglia West, all others mentioned, East.
Thanks also to Mike.