Poor sky signal in bad weather

Poor sky signal in bad weather

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shep1001

Original Poster:

4,601 posts

195 months

Thursday 27th August 2009
quotequote all
Hi all hoping for some advise regarding my sky system.


It was replaced about 2 months ago as I started having intermittent faults with loss of channels. By the time they had finished I ended up with a new LNB, dish and HD box. The box was about 2yrs old whilst the dish and LNB were 7+ years old. Not a bad deal for my £65 I thought.

Ever since replacement when the weather has been poor I loose the signal and get the ‘no sat signal received’ message. Previously poor weather seldom interrupted viewing. When the weather is normal the signal strength/quality is consistently very good.

My question is dose this seem like a poor alignment problem or have the quality of sky’s LNB deteriorated? Is there an alternative LNB that would cure this?

Many thanks for your ideas in advence

headcase

2,389 posts

223 months

Thursday 27th August 2009
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Wlll its poor signal caused by either poor alignment, poor LNB. To sort it the alignment needs checking with a meter and if is is aligned as good as it can be then swap the LNB. There is noting in the way is there? like a tree or other building?

shep1001

Original Poster:

4,601 posts

195 months

Thursday 27th August 2009
quotequote all
headcase said:
Wlll its poor signal caused by either poor alignment, poor LNB. To sort it the alignment needs checking with a meter and if is is aligned as good as it can be then swap the LNB. There is noting in the way is there? like a tree or other building?
Thanks headcase. nothing in the way, never has been, it just seemed odd that the problem occured after the kit was replaced. It was the box that was faulty but they started at the cheap end before replacing the box.

headcase

2,389 posts

223 months

Thursday 27th August 2009
quotequote all
yeh, i dont think your box is causing the issue as it dosent know what the weather outside is like wink If it has a good signal on a good day then the box is ok, deffo dish or LNB causing the problem.

theboyfold

10,994 posts

232 months

Thursday 27th August 2009
quotequote all
Rain will cause the loss of a signal, it's a term known as 'rain fade', this is normally countered by getting a bigger dish. When I say normally I mean in a setup where a strong signal is business critical, not normally the case with a domestic setup.

You could also check what the view of the sky is like from the dish, are there any trees in the way? They may have grown in the summer and when the wind blows they can block the signal with their movement. You might find that it will ease up in the autumn / winter as the leaves fall off the trees.

The alignment might be out, but it's best checked by a decent engineer as dishes can be very sensitive to movement and being pushed about.

Guffy

2,318 posts

271 months

Thursday 27th August 2009
quotequote all
theboyfold said:
Rain will cause the loss of a signal, it's a term known as 'rain fade', this is normally countered by getting a bigger dish. When I say normally I mean in a setup where a strong signal is business critical, not normally the case with a domestic setup.

You could also check what the view of the sky is like from the dish, are there any trees in the way? They may have grown in the summer and when the wind blows they can block the signal with their movement. You might find that it will ease up in the autumn / winter as the leaves fall off the trees.

The alignment might be out, but it's best checked by a decent engineer as dishes can be very sensitive to movement and being pushed about.
My FreeSat signal disappears when it lashes down, although i seem to have a giant Ent growing across the field, so i suspect that may have something to do with it!