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Astra 1N - Any News ?
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Schnuffi
02-11-2011
Originally Posted by davemurgatroyd:
“Has anyone in a fringe area checked whether skew adjustment of the lnb is different on 1N from the astra 2 birds? Is the skew set into the satellite during build or is it adjusted in orbit? Astra 2 has a "non standard" skew for its orbital position compared to most other positions - Eurobird at 28.5 is more or less standard.”

Skew adjustment comes from were they are in space.
So for instance any Sat over 28°e on the ground at 28°e will have 0 skew. As that is their horizon generally speaking. So for instance if your are setting up a motorized dish in the UK because you are for the most part at 0° because you are on the Merredin
your reference sat will be at 0.8°w and will have 0 skew. Because that sat is closest to your longitude.
The further the sat is east or west of you the more the skew you will have. If the sat is more east of you it will have a clockwise skew as you look at the dish from the from the front.
The skew will be anticlockwise if the sat is west of you.
All skew is turning the lnb so it matches the horizon of the sat you are looking at so the horizontal and vertical signals match up and you get the strongest signal. So any sat co located will have the same skew.
Muzer
02-11-2011
So, the Sky channels have gone again and the transponder appears to have been turned off (I don't even get a strength reading) - has any other transponder lit up today?
grahamlthompson
02-11-2011
Originally Posted by Schnuffi:
“. So any sat co located will have the same skew.”

But they don't

From my location

Astra 2 nominally 28.2E -13.7 deg
EB1 28.5E - 19.8 deg

Dishpointer gives -1.5deg for Due South.

Scrolling through Dishpointer finds loads that vary the wrong way. There must be an attitude adjustment involved.
Schnuffi
02-11-2011
Originally Posted by edEx:
“I always thought the skew was related to the latitude of your home, so that an LNB in Glasgow would require a different skew to one in Plymouth. That makes sense to me because we're all at different points on the side of the Earth in relation to the satellite's position on the Equator.

Do I have that wrong?”

Yes you have it wrong it is longitude. For skew
An easy way to to remember is latitude goes in steps from north to south like a latter hence latitude.
nepotism46
02-11-2011
Originally Posted by Muzer:
“So, the Sky channels have gone again and the transponder appears to have been turned off (I don't even get a strength reading) - has any other transponder lit up today?”

With what's going on there, you might need to get MI6
peter05
02-11-2011
Originally Posted by nepotism46:
“With what's going on there, you might need to get MI6”

we will get something tomorrow, a spanish builder has told me
nepotism46
02-11-2011
Originally Posted by peter05:
“we will get something tomorrow, a spanish builder has told me ”

That confirms it, 1N is a brick! your spanish builder know's his stuff
Night Watchman
02-11-2011
Originally Posted by Neda_Turk:
“I wonder what today holds?”

Well 21200 (C4HD) is now sporting subtitles (which it wasn't previously) so it looks like we are moving towards the final 'Countdown'
Phil Owens
02-11-2011
Originally Posted by Night Watchman:
“Well 21200 (C4HD) is now sporting subtitles (which it wasn't previously) so it looks like we are moving towards the final 'Countdown' ”

Hmm!, Final Countdown indeed.......
Here's your coat, now be off with you... :sleep:
Joddle
02-11-2011
A good test for fringe users this afternoon - we have had very dense cloud cover and the 2d signal has suffered pretty badly, on ITV2+1 it actually broke up at one stage but on 1N Ch4HD has been virtually rock steady at 65-70%signal and 100% quality on my Foxsat HD.
Geoff_Tipps
02-11-2011
Strange test on the go at the moment with a very low S/R. There is a very strong signal at 11165 H 1000 5/6 (DVB-S) but nothing coming up when you scan it. Checked using Transedit but it doesn't want to lock it for some reason. Strange that they would run a test with these parameters ?
belson
02-11-2011
the low sr cant pick up on mideast right now
Schnuffi
02-11-2011
Originally Posted by grahamlthompson:
“But they don't

From my location

Astra 2 nominally 28.2E -13.7 deg
EB1 28.5E - 19.8 deg

Dishpointer gives -1.5deg for Due South.

Scrolling through Dishpointer finds loads that vary the wrong way. There must be an attitude adjustment involved.”


Well I canīt explain that. "Well I did say for the most part." I know that a motorized dish will automatically skew clockwise as it moves east and the more east it moves the more it skews.
If you think about what I wrote it makes sense.
Neda_Turk
02-11-2011
Originally Posted by Joddle:
“A good test for fringe users this afternoon - we have had very dense cloud cover and the 2d signal has suffered pretty badly, on ITV2+1 it actually broke up at one stage but on 1N Ch4HD has been virtually rock steady at 65-70%signal and 100% quality on my Foxsat HD.”

I had some strange things happening here in the UK with Channel 4 HD this afternoon as well. (Deal Or No Deal Time)

On my Sky+HD box the signal was a little lower than normal but the quality went right down to almost zero, (never seen it do that before) with lots of picture break up. *

However, on my sat-card (fed from the same LNB) there was no break up on the normal frequency and of course the the new 1N one was coming in just as strong.

* I even tried a power off reset on the sky box but it didn't do anything.
Schnuffi
02-11-2011
Originally Posted by belson:
“the low sr cant pick up on mideast right now”

Why would they even test that. Sky boxes I donīt think they can go that low so they basically canīt use it for direct to home broadcast. Maybe for a feed or something. Or maybe they just have to test every thing I guess.
grahamlthompson
02-11-2011
Originally Posted by Schnuffi:
“Well I canīt explain that. "Well I did say for the most part." I know that a motorized dish will automatically skew clockwise as it moves east and the more east it moves the more it skews.
If you think about what I wrote it makes sense.”

I agree but there must be more involved. The most common problem for Astra 2 users in viewing the EB1 transmission of CH4-HD was skew optimised for Astra 2. A mid comprimise generally sorts it.
Muzer
02-11-2011
I also get a high strength and quality rating for the low-SR transponder on my FOXSAT-HDR but no channels found.
Phil Owens
02-11-2011
Originally Posted by Muzer:
“I also get a high strength and quality rating for the low-SR transponder on my FOXSAT-HDR but no channels found.”

Seems to take quite a few seconds to search before it comes up with the no channels found message.
Must be something there just not locking on..
Ignite
02-11-2011
Might be that someone is using it for a feed. That would explain the low SR.
Neda_Turk
02-11-2011
E4HD now testing FTA!!! on another satellite (Please see other thread out there>>>) Is it getting ready to jump over to 1N?
jzee
02-11-2011
Originally Posted by Neda_Turk:
“E4HD now testing FTA!!! on another satellite (Please see other thread out there>>>) Is it getting ready to jump over to 1N?”

Probably not sadly, it is just moving from one Sky transponder to another, which probably means it isn't going FTA anytime soon.
belson
02-11-2011
what frequency of e4hd ?
jzee
02-11-2011
Originally Posted by belson:
“what frequency of e4hd ?”

Frequency : 12324
Polarisation : V
Symbol Rate : 29500
Transmission : DVB-S2
FEC : 3/4
Label : 3843
Joddle
02-11-2011
Originally Posted by jzee:
“Frequency : 12324
Polarisation : V
Symbol Rate : 29500
Transmission : DVB-S2
FEC : 3/4
Label : 3843”

Can't get that here - total blank....
jose99
02-11-2011
Getting E4 HD on the new tp 12.324
70 & 40
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