freeview signal

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3 Jan 2006
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Derbyshire
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I bought a dvd recorder that has a freeview receiver in it. Mostly it works fine but sometimes it seems to lose the signal on about half the channels; is there any way to boost the digital signal?
 
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Yes this website will tell you if you can receive digital signals but I don't think it will tell you at what strength. It is likely that your signal strength to your dvd from your own aerial is on the weak side. You will know this if your terrestial signal looks snowy/grainy. If this is the case you can improve your signal as follows.

1. Make sure your co-ax cable isnt open/circuit if the cable is connected directly to the ariel ie not through an outlet box put a test meter on the continuity range between outer metal case of the coax plug and the inner pin of same. You should read continuity ie very low ohmic reading this proves the feed loop is correct.

2.make sure your co-ax plug is correctly wired unscrew and make sure none of the outer cable braiding is touching the inner strand in the plug as this would drastically reduce signal strength

3 change your uhf ariel to an outside ariel if indoors.

4. replace the ariel with a larger one ie more elements running down the length of the ariel

5.Buy a signal amplifier from any good diy store b&q etc. They are very good these days.

There is another possibility that would give the same effect and that is if the signal is too strong/overloading. A good way of testing this is to remove your ariel from the back of your tv and if the picture is still good quality then it would indicate the signal may be too strong in your area. If this is the case you can purchase small fittings called attenuators of varing strenghts to simply plug into your tv via the co- ax ariel plug.This is much more unlikely to be the case.
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