Large numbers of channels going missing each time there's a reorganisation of Freeview

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  • Update on attenuator, I did suffer channel loss again sometime in August/September. I adjusted it to full attenuation and retuned. Some of signal strength on channels are silly low 50-60%..
    Its been absolutely fine ever since.

  • RoyBRoyB Member Posts: 51
    edited 15 December 2019, 1:51PM
    Update on attenuator, I did suffer channel loss again sometime in August/September. I adjusted it to full attenuation and retuned. Some of signal strength on channels are silly low 50-60%..
    Its been absolutely fine ever since.

    As long as Signal Quality is 100%, you are fine.

    A too-strong signal can actually degrade signal quality - think of it as the transmitter **SHOUTING** in your YouView box’s ear.
  • joneshjonesh Member Posts: 1,350 ✭✭✭
    Update on attenuator, I did suffer channel loss again sometime in August/September. I adjusted it to full attenuation and retuned. Some of signal strength on channels are silly low 50-60%..
    Its been absolutely fine ever since.
    50-60% signal strength isn't silly low. Youview Support says here that a good signal is considered to be: 
    • 50%+ Signal Strength

    • 100% Signal Quality

  • SarahSarah Administrator Posts: 1,480 admin
    Hiya, 

    Just as a heads up for this one, there's a simulcast removal for TJC (791), Together TV (792) and TBN (794) on the 21st January. Since these are being removed, it's likely that the issue with channels disappearing may reoccur again. This can be resolved with a retune.
     
    We are currently trialling a fix for this with Humax and is being tested at the moment. If this proves successful at preventing this issue from reoccurring we'd be looking at getting it into a software release as soon as possible. 

    Apologies again for the inconvenience caused.

    Thanks,
    Sarah
  • steinstein Member Posts: 7
    Sarah said:
    Hiya, 

    Just as a heads up for this one, there's a simulcast removal for TJC (791), Together TV (792) and TBN (794) on the 21st January. Since these are being removed, it's likely that the issue with channels disappearing may reoccur again. This can be resolved with a retune.
     
    We are currently trialling a fix for this with Humax and is being tested at the moment. If this proves successful at preventing this issue from reoccurring we'd be looking at getting it into a software release as soon as possible. 

    Apologies again for the inconvenience caused.

    Thanks,
    Sarah
    I guess that would explain why the BBC HD channels went missing again today?

    For info, I'm tuned into the Emley Moor transmitter. It's a BT YouView box, DTRT2100, 84B08500. Component software: 3.6.154, Manufacturer software: 32.36.0.

    The problem has been going on for a while now and fitting an attenuator makes no difference. 

  • bigwheelerbigwheeler Member Posts: 1
    My HD channels did not go missing this time. I use a BT youview DTRT2100 and had the main HD channels go missing frequently. I recieve my channel from olivers mount (Scarbourough Yorkshire TV), But as I am insight of the Bilsdale Transmitter I tuned to this instead (although I prefer YTV news etc) I no longer have channels go missing.
    This must be somthing that YTV are broadcasting on the channel change and hope that Youview/Humax/BT can sort out as there location may not be in the YTV area??
  • steinstein Member Posts: 7
    Sigh.  Channels disappeared sometime during the day again today.  A retune has brought them back again.

    Any news on when the fix is going to be available?
  • steinstein Member Posts: 7
    The channels disappeared again overnight.   Twice in a week - that's fun!  There has also been a software update on the BT YouView box.  Mine is now on:

    Component software: 3.6.168, Manufacturer software: 32.41.0.

    Lets hope one of the software updates is for fixing the re-scan problem instead of it just being a "feature" update (I see a new Watch List and sections for TV Shows and Films).

  • scottscott Member Posts: 2,077 ✭✭✭
    edited 5 February 2020, 9:11AM

    @Stein


    These transmitters will be having changes at the minute.

    https://www.rxtvlog.com/2020/02/freeview-downtimes-and-retunes-in-store.html

    Services from Emley Moor (pictured above) and many of its relays will be changing frequency in the last stage of the frequency change begun last year. 


    The changes in frequencies is the reason why there's a temporary mast on Emley Moor, next to the tower: the infrastructure used to transmit the TV signals is having to be changed - the temporary mast has ensured downtimes are kept to a minimum.

    However, services will still need to be off air for a time between midnight and 6am on Wednesday 5th February. 

    Retune after 6am to continue watching channels including Quest, Paramount Network, QVC, Sky News, Challenge and Pick. Some HD channels will also be affected.

    For viewers with reception of a smaller number of Freeview channels via a relay, services will be off air during the day, before returning in the evening. Retune then to restore any missing channels.
  • RHardakerRHardaker Member Posts: 15
    edited 6 February 2020, 4:27PM
    So... I got home on the evening of the 5th Feb and the HD channels had gone off my Panasonic TV. Did a retune and they appeared. All good. Went onto one of my Youview 2100 boxes and the HD channels were still there. Decided I should retune anyway as advised and I then lost the HD channels!! Did the aerial out, retune, aerial back in retune 'fix' and they came back!! I still do not have BBC NewsHD or QuestHD (not had for a few months now). I'm on Emley moor with 90% strength (with attenuator) and 100% quality. 

  • joneshjonesh Member Posts: 1,350 ✭✭✭
    edited 6 February 2020, 6:13PM
    I went through a similar sequence of re-tuning yesterday as well, but all the channels came back.
    It shouldn't be necessary, but you could try reducing your signal strength further. 90% SS is still high.
    Youview boxes seem to read low for some reason. Our box shows about 50% SS for BBC News HD, but the Panasonic TV shows 95%. Both are fed by the same aerial signal via a splitter.
  • steinstein Member Posts: 7
    The channels disappeared again on 10th February so the latest software update has not fixed the problem.

    @Sarah Any news on when the fix that is being tested with Humax will be available?

  • steinstein Member Posts: 7
    This comment on a similar thread on the BT YouView forum states they're trialing a fix at the moment and hope it won't be too much longer before it's available.


    Fingers crossed...


  • steinstein Member Posts: 7
    The channels disappeared again on 17th February.  This really is most frustrating.
  • steinstein Member Posts: 7
    Yet another retune was required today. 
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