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Improving Hotbird Satellite Dish Signal Quality for TVN Channels - 80cm, 4 Decoders

bogdanzieba 28590 10
Best answers

Co poprawić, gdy na Hotbirdzie siła sygnału jest dobra, ale jakość jest niska i kanały TVN zaczynają się zacinać?

Trzeba przede wszystkim bardzo precyzyjnie ustawić antenę i skorygować skręt LNB, bo nawet niewielkie odchylenie czaszy szybko pogarsza jakość sygnału [#18881291][#18881385][#18881392] Jeśli instalacja mogła zostać poruszona przez wiatr, warto ponownie wyregulować pozycję anteny, bo to typowa przyczyna spadku jakości mimo dobrej siły [#18881392] Sprawdź też konwerter, bo słaby lub źle ustawiony LNB może dawać taki objaw [#18881291] Warto obejrzeć końcówki kabla przy konwerterze pod kątem zaśniedzenia i wilgoci, ale przy dobrej sile sygnału uszkodzony kabel jest mniej prawdopodobny [#18881392][#18881596]
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  • #1 18881262
    bogdanzieba
    Level 29  
    Posts: 3202
    Help: 5
    Rate: 981
    Hello, my friend has a problem with the antenna installation on Hotbird, namely the signal quality is low, which causes TVN channels to clip. However, the signal strength is good. 80 cm antenna, converter for 4 decoders, the same on each.
    What will help here? Replacing the coaxial coil, converter, do you need to adjust the antenna?
    Improving Hotbird Satellite Dish Signal Quality for TVN Channels - 80cm, 4 Decoders
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    #2 18881286
    viayner
    Level 43  
    Posts: 10628
    Help: 1563
    Rate: 2050
    Hello,
    I have an identical problem:
    https://www.elektroda.pl/rtvforum/topic3720803.html#18872970,
    I recently noticed that the signal strength = 68%, quality 67% and the decoder claims that there is no signal at the sat1 input, if left alone after 5-10 minutes it will eventually "catch" the signal and work properly for up to an hour.
    Regards
  • Helpful post
    #3 18881291
    andpol 33
    Level 39  
    Posts: 4151
    Help: 513
    Rate: 1145
    Poorly positioned antenna, crooked antenna, poor converter.
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  • #4 18881361
    bogdanzieba
    Level 29  
    Posts: 3202
    Help: 5
    Rate: 981
    @andpol 33 possibly a bad coaxial cable.
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    #5 18881385
    Anonymous
    Level 1  
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    #6 18881392
    nomudrek
    Level 36  
    Posts: 2241
    Help: 406
    Rate: 470
    Due to frequent strong winds, the antenna may have been slightly moved, resulting in signal loss, and a slight deviation of the satellite dish is enough to cause the signal quality to deteriorate rapidly. It is also worth checking the cable ends at the converter for tarnishing, is the plug protected against moisture with a rubber band?
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    #7 18881596
    andpol 33
    Level 39  
    Posts: 4151
    Help: 513
    Rate: 1145
    bogdanzieba wrote:
    @andpol 33 possibly a bad coaxial cable.

    The strength is good, so the cable probably falls off.
  • Helpful post
    #8 18881853
    LeDy
    Level 43  
    Posts: 19103
    Help: 1989
    Rate: 2930
    Provide photos of the installation, location, etc. because it`s just a guessing game.
  • #9 18881856
    bogdanzieba
    Level 29  
    Posts: 3202
    Help: 5
    Rate: 981
    A friend of mine had a SAT installer, he corrected the satellite positioning and, interestingly, he set the quality on the measuring device to 80%, and on the decoder it shows 48%. I know that each decoder has a different sensitive head, but how could there be such differences?
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    #10 18881881
    andpol 33
    Level 39  
    Posts: 4151
    Help: 513
    Rate: 1145
    Each decoder has differently written software. Premiumbox wifi shows the lowest quality (on average 20-25% less and often uneven on individual inputs). The most reliable readings were provided by N-ki decoders (turbo, media, soap boxes). The best number is that you can`t get 50% on premiumbox and the original 80, and on the hotline they always tell you that it must be at least 50%. :D
  • Helpful post
    #11 18883554
    Anonymous
    Level 1  
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Topic summary

✨ The discussion revolves around improving the signal quality of a Hotbird satellite dish installation, specifically for TVN channels. The user reports low signal quality despite good signal strength, using an 80 cm antenna and a converter for four decoders. Responses suggest several potential issues, including improper antenna positioning, a faulty coaxial cable, or a poor-quality converter. It is emphasized that even slight misalignments due to environmental factors like wind can significantly affect signal quality. Users also note that different decoders may report varying signal quality due to differences in software and sensitivity. Recommendations include checking the coaxial connections, ensuring proper antenna alignment, and possibly replacing the converter.
Summary generated by AI based on the discussion content.
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