Hello Guest, if you are reading this it means you have not registered yet. Please take a second, Click here to register, and in a few simple steps you will be able to enjoy our community and use our OpenViX support section.
Results 1 to 9 of 9

Thread: Bigger Dish, Worse Signal Quality

  1. #1

    Title
    Member
    Join Date
    Jan 2018
    Posts
    92
    Thanks
    0
    Thanked 17 Times in 8 Posts

    Bigger Dish, Worse Signal Quality

    A few days ago I asked an engineer to replace my existing Zone 1 dish with a Zone 2 dish. Unfortunately this has now led to a dramatic decrease in signal quality, whereas previously my assumption was that it will either improve slightly or stay about the same. Is there any possible reason for this?

    For comparison my Zone 1 dish would show SNR at approximately 82%, whereas my new Zone 2 dish is showing SNR at approximately 64%. These readings are about an hour apart where weather conditions don't seem to have changed using the same hardware.

    My biggest concern is that this will now lead to a broken or distorted picture on a regular basis when it rains whereas previously I only use to get this when there was heavy rain and lightning

  2. #2
    Ashley69's Avatar
    Title
    Forum Supporter
    Donated Member
    Join Date
    Feb 2015
    Posts
    1,099
    Thanks
    205
    Thanked 290 Times in 246 Posts
    Get the engineer back. Probably incorrect setup of dish.
    Octagon SF8008 4K, VU+Duo 2..
    Edision OS MINI,

  3. #3
    twol's Avatar
    Title
    Moderator
    Join Date
    Apr 2012
    Posts
    8,383
    Thanks
    987
    Thanked 2,888 Times in 2,243 Posts
    ..... or the signal is so good that you are flooding the receiver and you may have to insert attenuators into the cables to retard the signal (but only if you have issues receiving all the channels) - you don't mention the receiver or your location.
    Gigablue Quad 4K & UE 4K
    .........FBC Tuners:
    ------------------> DUR-Line DCR 5-1-8-L4 Multiswitch to 1.5M dish(28.2E)
    ------------------> Spaun SUS 5581/33 NFA Multiswitch to 80 cm dish(19.2E)
    .......................> FBC & DVB-S2X into 90cm dish (27.5W) Opticum robust Unicable LNB
    AX HD61, Edision Osmio 4K+, Zgemma H9Combo, Octagon SF8008 , gbtrio4k, h9se using Legacy ports on multiswitches
    Zgemma H9 C/S into Giga4K

  4. #4

    Title
    Member
    Join Date
    Jan 2018
    Posts
    92
    Thanks
    0
    Thanked 17 Times in 8 Posts
    Quote Originally Posted by twol View Post
    ..... or the signal is so good that you are flooding the receiver and you may have to insert attenuators into the cables to retard the signal (but only if you have issues receiving all the channels) - you don't mention the receiver or your location.
    I'm getting all the channels.

    I'm using an Xtrend ET8500 and am based in NW London.

  5. #5
    Andy_Hazza's Avatar
    Title
    Moderator
    Join Date
    Oct 2012
    Location
    Derbyshire, UK
    Posts
    7,287
    Thanks
    2,855
    Thanked 2,126 Times in 1,752 Posts
    Don’t worry too much about the signal readings, the receiver could be giving incorrect readings.
    If you are getting all the channels and picture quality is good, then don’t worry too much about it.
    Zone 1 was suffice for what you needed in your area.


    Sent from my iPhone using Tapatalk
    Vu+ Ultimo 4K with 3TB HDD, Dual FBC (Sat) tuners, 1x Twin Hybrid DVB-C/T/T2 tuner
    Vu+ Solo 4K with 1TB HDD, Dual FBC (Sat) tuners, 1x Hybrid DVB-C/T/T2 tuner
    Vu+ Solo 2 with 1TB HDD 'White Edition', 2x DVB-S2 tuners
    Mut@nt HD2400 with 1TB HDD, 4x DVB-S2 tuners
    Fixed 28.2E Technomate 65cm Mesh Satellite Dish with Inverto Unicable II/JESS LNB and Inverto Unicable Splitter
    Fixed 28.2E Sky Zone 1 45cm Satellite Dish with Octo LNB
    (All receivers installed with the latest Dev build)

  6. #6
    Andy_Hazza's Avatar
    Title
    Moderator
    Join Date
    Oct 2012
    Location
    Derbyshire, UK
    Posts
    7,287
    Thanks
    2,855
    Thanked 2,126 Times in 1,752 Posts
    If you want reassurances, get the installer guy out again and get him to double the dish and LNB and cabling for you.


    Sent from my iPhone using Tapatalk
    Vu+ Ultimo 4K with 3TB HDD, Dual FBC (Sat) tuners, 1x Twin Hybrid DVB-C/T/T2 tuner
    Vu+ Solo 4K with 1TB HDD, Dual FBC (Sat) tuners, 1x Hybrid DVB-C/T/T2 tuner
    Vu+ Solo 2 with 1TB HDD 'White Edition', 2x DVB-S2 tuners
    Mut@nt HD2400 with 1TB HDD, 4x DVB-S2 tuners
    Fixed 28.2E Technomate 65cm Mesh Satellite Dish with Inverto Unicable II/JESS LNB and Inverto Unicable Splitter
    Fixed 28.2E Sky Zone 1 45cm Satellite Dish with Octo LNB
    (All receivers installed with the latest Dev build)

  7. #7

    Title
    Member
    Join Date
    Jan 2018
    Posts
    92
    Thanks
    0
    Thanked 17 Times in 8 Posts
    Well its a clear day and I've got picture distortion on Sky One HD and a few of the less known channels. My suspicions have been confirmed.

  8. #8
    Huevos's Avatar
    Title
    Administrator
    Join Date
    Jun 2010
    Location
    38.5N, 0.5W
    Posts
    13,578
    Thanks
    2,004
    Thanked 4,925 Times in 3,259 Posts
    Sounds like a crap install by a crap installer.
    Help keep OpenViX servers online.Please donate!

  9. #9

    Title
    Senior Member
    Join Date
    Dec 2013
    Posts
    127
    Thanks
    234
    Thanked 37 Times in 32 Posts
    You may check how well the dish is aimed by doing a simple test.
    Slightly push then slightly pull the dish at the top, bottom, and both sides while watching the SNR. The SNR should drop in value every time the dish is pushed or pulled on in any direction. If the SNR goes up or increases during this test, then the dish needs adjustment.

  10. The Following User Says Thank You to el bandido For This Useful Post:

    twol (10-06-18)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
This website uses cookies
We use cookies to store session information to facilitate remembering your login information, to allow you to save website preferences, to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.