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22/8/2012 at 9:47am
Location: Outfit:
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Joined: 29/6/2008 Diamond Member
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I always thought it was a bad move for Sky to move from Astra1 at 19.2 East to Astra 2 at 28.2 East as it means that the satellite is now slightly lower down on the horizon than it was before.
But of course this move had to happen when Sky switched from Analogue to Digital.
In the early days of Sky DIgital at 28.2 East, the satellite was real easy to find, as they kept an Analogue transmission going, with just the Astra symbol for a still image.
This was done as at the time, many installers were still dealing with Analogue kit, so did not have digital meters, like they all have now.
Fact is back then you could find Astra2 using an old Analogue receiver, with the Astra 2 Analogue channel pre-stored.
Oh it was so easy, once you had got that Astra symbol up on your TV, you just disconnected the Analogue receiver and connected up your Sky Digi-Box.
Using the Analogue receiver you could be a clog out, and still get the Astra symbol, even if it was all sparkly, but once found you just adjusted the Dish for the best picture, and or strongest signal.
And that's the problem finding a Digital signal, if your not spot on with your Dish alignment you simply won't get a TV picture.
It's just a pity that they could not have kept that Astra Analogue signal going on Astra 2, even though it was gobbling up the capacity of 8 Digital channels.
It would have meant for a much easier time finding the satellite, for both campers and home owners alike.
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22/8/2012 at 1:23pm
Location: Hatfield Peverel Essex Outfit: Ace Supreme Twinstar Disco 3
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The web-site mentioned above is very good.
Personnally I have never found signal meters to be of any use at all. They seem to respond to anything !
I always set the dish nearly vertical, point it roughly towards the south and slowly turn it towards east whilst looking at the signal strength indicator on screen. Has never failed yet. If you still have no signal, incline the dish slightly and start again.
The only time I ever had a problem was with a purpose bought lead that had a faulty connection at the plug. Suggest that may be worth checking.
DaveS1
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24/8/2012 at 2:00pm
Location: New Milton Hants Outfit: Compass Magnum Classic 540 (now sold)
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Quote: Originally posted by C2WBA on 24/8/2012
What is surprising is the degree of accuracy needed when pointing to Astra2.
Here’s a little fact of satellite life for you;-
When aiming your dish, for each degree of error you will miss the satellite by 423 miles!
Astra 19.2° E requires 3.2° more dish elevation than Astra 28.2° E due to the curve of the Clarke Belt.
That’s a difference of 1353 miles.
Vin Blanc
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