LNB Spain Question.

agricolaplace

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7
For some years I have used a RT Inverto Ultra Black and over time as you'd expect I started losing channels. I've bought the Lnb recommended by local installers as being the best the RT Inverto Home Pro but stil have the same missing channels.As you'd expect that's everything HD but recently I've lost things like Channel 5 SD. I know skew is important and is usually described as being at 7o'clock (24°+-) but how important is the position of the neck of the Lnb in the collar in relation to the dish. Does it being nearer to the dish improve or degrade the signal? Oh and could anyone in the Nth Costa Blanca àrea confirm if 24° is the correct skew?
 

kegnkiwi

Staff member
Moderator
Messages
1,025
For some years I have used a RT Inverto Ultra Black and over time as you'd expect I started losing channels. I've bought the Lnb recommended by local installers as being the best the RT Inverto Home Pro but stil have the same missing channels.As you'd expect that's everything HD but recently I've lost things like Channel 5 SD. I know skew is important and is usually described as being at 7o'clock (24°+-) but how important is the position of the neck of the Lnb in the collar in relation to the dish. Does it being nearer to the dish improve or degrade the signal? Oh and could anyone in the Nth Costa Blanca àrea confirm if 24° is the correct skew?
Which satellite do you have your dish aimed at? It is not clear from your post.
 

cokeaddict

Donating Member
Messages
411
Moving the lnb in and out on the arm (closer / further away from the dish face) can have an effect on signal, however your issue is more likely to be channels moving from 1 transponder to another, which could mean they are on a different beam that you now can not receive in your location.
 

kegnkiwi

Staff member
Moderator
Messages
1,025
Moving the lnb in and out on the arm (closer / further away from the dish face) can have an effect on signal, however your issue is more likely to be channels moving from 1 transponder to another, which could mean they are on a different beam that you now can not receive in your location.
I wonder if it's a holiday home and the dish is on 27.5w and those channels have now left that satellite. It's only a guess though.
 

cokeaddict

Donating Member
Messages
411
I wonder if it's a holiday home and the dish is on 24w and those channels have now left that satellite. It's only a guess though.
I don't recall channel 5 sd being on 27.5w (could be wrong) but thought it was only channel 5 hd there.
 

agricolaplace

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7
I wonder if it's a holiday home and the dish is on 27.5w and those channels have now left that satellite. It's only a guess though.
I live here full time,I did get CH5HD until about a month ago then it started to disappear in the mornings and reappear late evening.Now it's totally pixilated.It's been really odd I had Quest in HD which disappeared them later came back then went again. Real head scratcher,I'll have a play with the Lnb skew again and see what happens.
 

agricolaplace

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Which satellite do you have your dish aimed at? It is not clear from your post.
Sorry should have said,I'm using a Sky HD box so I'd imagine it's Astra 2E? I've got a Humax box that I've swapped over but still only getting the same channels and the same number missing.
 

Ansiao

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17
You're right on the cliff of the Astra 2E footprint and its nearly Summer Solstice. This means that the signal is at its weakest for your location ( whatever that is? )
As the months approach the Autumn Equinox then you'll get your Ch 5 back.
It would help to know exactly where you are in Spain as there's alot of expats here who can advise you further ...
 

agricolaplace

Registered
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7
You're right on the cliff of the Astra 2E footprint and its nearly Summer Solstice. This means that the signal is at its weakest for your location ( whatever that is? )
As the months approach the Autumn Equinox then you'll get your Ch 5 back.
It would help to know exactly where you are in Spain as there's alot of expats here who can advise you further ...
Thanks,I'm in Gandia Valencia just North of Denia,Calpe etc. Could I be tuned to Astra F as I think I remember reading they are close together?
 

117

Premium Donator
Messages
63
Yes, as mentioned before, worst time of the year at the mo for fringe recption..............HD channels on U.K. beam def weaker.dB
Over the weekend we saw 31.4ºC.........which worsens things. 😒

Here, Alicante, 1.8m Marrafa PF, Inverto LNBF C120 Flange Quad
Re: the mentioned Channel 5, never lost rececption of this and both SD and HD no probs (as attached)

'agricolaplace', you indicate North Costa Blanca, normally little easier reception further North, naturally depending where located and dish size.
Your more exact location may allow others to reply, thanks.

Good luck with things. 👍

a.jpgb.jpg
 
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agricolaplace

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7
Is there anything affecting the line of sight? Perhaps a tree is getting in the way 🌳 🌲 🌴
Nothing I've got the dish on the roof terrace,open sky. I did move it from the other half of the terrace and dropped the position slightly so it would be less effected by wind. I don't know if it's possible I have it pointed at Astra F rather than E?
 

agricolaplace

Registered
Messages
7
Yes, as mentioned before, worst time of the year at the mo for fringe recption..............HD channels on U.K. beam def weaker.dB
Over the weekend we saw 31.4ºC.........which worsens things. 😒

Here, Alicante, 1.8m Marrafa PF, Inverto LNBF C120 Flange Quad
Re: the mentioned Channel 5, never lost rececption of this and both SD and HD no probs (as attached)

'agricolaplace', you indicate North Costa Blanca, normally little easier reception further North, naturally depending where located and dish size.
Your more exact location may allow others to reply, thanks.

Good luck with things. 👍

View attachment 62385View attachment 62386
Here a bit further North we've been lucky up until now, only one or two days in the high 20s. The channel issues have been over the last year or more. It wasn't really that much of an issue as I wasn't home much to watch TV anyway. Now that I've done my ACL that's changed a bit. How have you fitted your Lnb,is it forward in the collar (is that the correct term?) closer to the dish or further back? Limping up and down the stairs to check is a bit of a pain to do.
 
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117

Premium Donator
Messages
63
Here a bit further North we've been lucky up until now, only one or two days in the high 20s. The channel issues have been over the last year or more. It wasn't really that much of an issue as I wasn't home much to watch TV anyway. Now that I've done my ACL that's changed a bit. How have you fitted your Lnb,is it forward in the collar (is that the correct term?) closer to the dish or further back? Limping up and down the stairs to check is a bit of a pain to do.

Hola, re: placement of LNB...........fringe reception here (various frequencies on the U.K. beam) really mean trial and error. As you say ''Limping up and down the stairs to check is a bit of a pain to do''......agreed but when we know that a few mm of skew is the decider you ideally need to be next to the dish to see the quick result of your LNB movements you have made.
A monitor, receiver close to the dish allows visuals +/- of your input. Enigma 2 receivers have the benefit of you only needing a laptop/Wi-Fi at hand with various satellite finder apps to see this or again with your mobile, the R.A.M.F app reading the frequency statistical analysis RAMF in the Goldmaster SR525 HD receiver.

In Gandia you should def be seeing the various '5' channels on 11306 H 27500. with the lower FEC 2/3 ..........try the alternative on the 2F UK beam, 11307 V 27500, both frequencies are DVB-S QPSK.

¿Your dish is def big enough to receive the UK beam.........have you spoke to any other U.K. peeps there or are they all now IPTV watchers?

You will succeed, please keep us informed, thanks. (y)
 

agricolaplace

Registered
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7
Hola, re: placement of LNB...........fringe reception here (various frequencies on the U.K. beam) really mean trial and error. As you say ''Limping up and down the stairs to check is a bit of a pain to do''......agreed but when we know that a few mm of skew is the decider you ideally need to be next to the dish to see the quick result of your LNB movements you have made.
A monitor, receiver close to the dish allows visuals +/- of your input. Enigma 2 receivers have the benefit of you only needing a laptop/Wi-Fi at hand with various satellite finder apps to see this or again with your mobile, the R.A.M.F app reading the frequency statistical analysis RAMF in the Goldmaster SR525 HD receiver.

In Gandia you should def be seeing the various '5' channels on 11306 H 27500. with the lower FEC 2/3 ..........try the alternative on the 2F UK beam, 11307 V 27500, both frequencies are DVB-S QPSK.

¿Your dish is def big enough to receive the UK beam.........have you spoke to any other U.K. peeps there or are they all now IPTV watchers?

You will succeed, please keep us informed, thanks. (y)
From what I've managed to find online my dish is the right size (125x135) and with a new Lnb and cable (18 metre run) I should be able to get the channels back. Luckily I managed to find a working old CRT 18" TV for sale so using my spare Humax I'll lug it up to the roof terrace...🤞🏻
 
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