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    Part Rec: No Signal

    This is a discussion on Part Rec: No Signal within the Sky+ HD Supertelly forums, part of the Other Sky help and support category; Originally Posted by seawright Yes that is confusing. The only other thing I can suggest is to switch the box ...

    1. #11
      gymno's Avatar
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      Re: Part Rec: No Signal

      Quote Originally Posted by seawright View Post
      Yes that is confusing. The only other thing I can suggest is to switch the box to single input working.
      Then check the signal quality on effected channels with first one feed then the other feed connected to input one.
      Suggest labelling one lead with tape to help keep track while testing.
      Hi seawright.
      Thanks for your help with this.

      I've just completed the single feed mode test & both cables give the same result:
      90% signal quality on most channels, 25% quality on the problematic ones.

      Also, the low signal quality on certain channels had switched from input 2 to input 1 overnight all by itself.
      Yesterday after swapping the cables around this would only occur if a recording was is progress, thus tying up input 2 & forcing input 1 to tune the live channels.
      I guess the default state is for the box to always use input 2 to record, but in certain circumstances it will be used to tune live channels too.

      So in conclusion, both feeds are affected as are both tuners.


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    3. #12
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      Re: Part Rec: No Signal

      Looks like cables as ok. Is it only signal quality that drops significantly and not signal strength?
      Still think easiest thing now would be to try a different box (if you can borrow one) and probably easier than changing LNB.

    4. #13
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      Re: Part Rec: No Signal

      There is a known problem at the moment with sky and freesat reception problems with low power on the Eutelsat 28A satellite.
      Its causing pixelation and other reception problems.
      Looks like this is your problem. CBS action is on this satellite.
      More details here;

      Satellite Update: TV reception problems | a516digital

    5. #14
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      Re: Part Rec: No Signal

      Quote Originally Posted by seawright
      Looks like cables as ok. Is it only signal quality that drops significantly and not signal strength?
      Still think easiest thing now would be to try a different box (if you can borrow one) and probably easier than changing LNB.
      Yes it's only signal quality that drops when tuned to a channel on one of those frequencies listed earlier.
      Signal strength is always 80-95% depending on the channel, for both inputs.

      Infact 25% quality is obviously ok as i don't see interruptions / pixellation at that level + the last 2 episodes of Oz have recorded fine.
      It's just that i've never seen a signal bar be anything under 80% before & i can't help thinking that for those 2 nights when the recordings failed, it probably dropped even lower.

      Borrowing a box is possible, just a little awkward that's all.
      That & the cables are all i need to rule out though as we have a communal system here & both the landlord & install company are absolute stars at sorting things out (f.o.c. )

    6. #15
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      Re: Part Rec: No Signal

      Quote Originally Posted by lettice View Post
      There is a known problem at the moment with sky and freesat reception problems with low power on the Eutelsat 28A satellite.
      Its causing pixelation and other reception problems.
      Looks like this is your problem. CBS action is on this satellite.
      More details here;

      Satellite Update: TV reception problems | a516digital
      Aha!

      Here's my list from post 5
      11224 V
      11261 H
      11307 V
      11307 H
      11389 H
      11390 V
      11426 V
      11662 H

      They are all on Eutelsat 28A:
      Eutelsat 28A at 28.5E - LyngSat
      Even those on Eutelsat 28A which aren't on my list i had jotted down as imperfect - around 40% signal quality.

    7. #16
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      Re: Part Rec: No Signal

      An update for you as of today;
      Astra 2G will be in its final position at 28.3 east on 15th. June.
      It is currently being moved westwards at 0.64 per day.
      Services will be transferred to the new satellite almost immediately. Reports indicate there will be a complete migration from Eutelsat's 28A by the end of June.
      And some more reported on may 27th that I found on the astra site;
      The situation of 28A is now critical, with some transponders emitting so little power that reception problems have been noticed.
      Transponder C5, 11.389 H is now so weak that there is no margin for rain. In the south-east of England, in a test on a typical zone 1 mini-dish, this channel, which carries ESPN HD and CBS Action, registers only 6.9dB in strength, just above the threshold for clear reception in dry weather. In rain, this frequency is likely to be lost on any dish with less than perfect orientation. In the UK, 28A is only half the strength (3dB lower) of the newer Astra 2E and 2F satellites.
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    8. #17
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      Re: Part Rec: No Signal

      Yep, this explains everything:

      The situation of 28A is now critical, with some transponders emitting so little power that reception problems have been noticed.
      Transponder C5, 11.389 H is now so weak that there is no margin for rain. In the south-east of England, in a test on a typical zone 1 mini-dish, this channel, which carries ESPN HD and CBS Action, registers only 6.9dB in strength, just above the threshold for clear reception in dry weather. In rain, this frequency is likely to be lost on any dish with less than perfect orientation. In the UK, 28A is only half the strength (3dB lower) of the newer Astra 2E and 2F satellites.

      Well i think we can call that a wrap!

      If only i'd spent a bit more time here or googling i may have figured it out...

      Thank you both for you help with this.

      I think i'll have to have a seafood & lettuce sandwich for lunch now, out of respect.
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    9. #18
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      Re: Part Rec: No Signal

      Lettice, could you help Gymno out by posting signal strength/quality as reported by your box when tuned to or recording CBS action.
      I'm getting 70S/70Q for CBS action compared to 65S*/90Q for BBC 2 England and Sky one.

      * alternating between 60 & 70

    10. #19
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      Re: Part Rec: No Signal

      Another update to this:

      Final stages of satellite transfer underway
      Numerous TV and radio services broadcasting to the UK and Ireland are changing satellites this month as part of the final stages of a programme to renew the fleet of satellites serving Sky and Freesat users.

      The UK and Ireland is served by a fleet of satellites orbiting the earth at 28 degrees East. The changes will see services being removed from the aging Eutelsat 28A satellite, which has recently been broadcasting services at significantly lower power levels than its neighbouring orbiting counterparts. New satellite Astra 2G will arrive at 28 degrees East by mid-June and will trigger further transfers.

      As part of the changes, some services may temporarily be unavailable for a very short time overnight as services switch satellites. In some cases frequencies may be changed. Some channels have already changed frequencies ahead of the change.

      However, viewers in the UK and Ireland who use either Freesat or Sky are not expected to notice any changes, with the satellite platform operators updating their Electronic Programme Guides (EPGs) to redirect receivers to any new frequencies that may apply. Freesat's EPG, which is broadcast from Eutelsat 28A is expected to switch to stronger satellite Astra 2E at the end of the month.

      Eutelsat 28A is then expected to follow other former satellites serving the UK and Ireland in going into retirement.


      First transfers
      The first changes occurred at 01:00 UK time this morning. The initial switch affected services including Sky subscription channels Universal Channel (SD) and E! and free-to-air channel CBS Drama, with services moving from Eutelsat 28A to Astra 2F. First reports say the change has produced a stronger signal for UK and Ireland viewers.

      Previous satellite transfers have resulted in some of the UK's main free-to-air television channels becoming less widely available in continental Europe, following requests from broadcasters to reduce their satellite footprint due to programme rights issues. The changes annoyed numerous expats in southern France, northern Italy and Spain, who were among the worst hit by the last satellite transfers.

      Very little information is known in advance about how these latest changes will affect viewers on the continent, as they are 'unofficial' viewers outside of the core footprint area, but the latest indications are that fewer channels will be available via satellite to expats abroad.

      In addition to the satellite transfers, some broadcasters are making use of new parameters which allow more channels to fit on one satellite transponder. This is likely to make reception in fringe areas outside of the UK and Ireland more difficult in the coming months.


      Background
      The first satellites to specifically serve the UK and Ireland with digital TV were Astra 2A, B, C and D plus Eutelsat's Eurobird 1, later re-named Eutelsat 28A. The satellites covered the whole of Europe apart from Astra 2D, which had a loose UK spot-beam, reducing overspill over much of Europe, but still available across the UK and Ireland with mini-dishes and most of Western Europe with large domestic dishes. This enabled the main UK channels, free from the burden of programme rights issues, to go free-to-air.

      One by one all of these satellites have come to the end of their years in service (Although Astra 2C was moved elsewhere). Astra 2A was only recently retired in March and Eutelsat 28A is expected to be not far behind. A new fleet of satellites: Astra 2E, 2F and 2G were commissioned in 2009 to take over, with Astra 2F first in orbit late 2012. Astra 2E and F are now in service, but 2G arrives mid-June. The new satellites have tighter UK spot-beams so that some viewers in Europe can't receive UK free-to-air channels anymore, or if they do, only with difficulty and seasonal fluctuations in signal.

      Following the end of a protracted legal battle between Astra's operator SES and Eutelsat, Eutelsat is handing over its services to be carried on SES's Astra satellites. Eutelsat won't be supplying a replacement for Eutelsat 28A. Eutelsat 28A services are now being transferred - some to Astra 2E, some to Astra 2F and some will go to Astra 2G.
      My own channel 148 (CBS Action) woes do appear to be over now.

      Since my last posts, signal quality held at 25% until we experienced rain on monday when it was at 20%, occasionally dropping to 15%.
      I still saw no pixellation or break-ups at those levels though.

      Channel 148 & all others on the 11389 H frequency are currently at a steady 50% signal quality here now.
      Last edited by gymno; 05-06-15 at 02:54 PM. Reason: fixed broken link
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    11. #20
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      Re: Part Rec: No Signal

      Astra 2g has gone live now.
      Most of the Eutelsat 28A channels have now been transferred to the new Astra 2g and the existing 2f, spreading the load and the best possible signal.
      More details here;
      Satellite Update: Astra 2G is live - the big reshuffle is underway | a516digital
      .

     

     
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