Astra TNT Sat tuning issue

Question

Hello,

I have an issue with my Astra reception. I've correctly connected my Sagem ISD74 decoder to my antenna, but I never get more than 70% on the signal level and 68% on the quality. Even the slightest rain causes the image and sound to stutter until there's nothing at all.

I would like to know how to improve the reception, whether I should buy a satellite splitter or something else to better receive the signal.

I would also like to know how to set the type of LNB and the transponder, and what all of this corresponds to.

Thank you in advance for your help.

Configuration: Windows Vista Internet Explorer 7.0

kirikoualest · Answer

Hello,
I have the same device and the same signal level, but my picture is perfectly fine (no image dropouts).
Check the connections to the satellite dish and the decoder, as well as any extension connections.
Also, try to avoid unnecessary cable lengths as much as possible. Keep it as short as possible without multiplying the connections.
Good luck, as I know we often don't have much choice when it comes to cable length...

Additionally, the head of the satellite dish should be slightly tilted (6°) to the right when looking at the dish from the front, once the dish is well aligned with the satellite.

Maurice33 · Answer

Thank you for your reply,

I just looked at my dish and indeed it seems to be at 6°c but to the left when I look at it from the front,

I will turn it to see what it does,

but it's true that even a little heavy rain cuts off the signal.

Antenniste · Answer

There are already complete answers to these questions about choice, adjustment (orientation/pointing), and antenna power. For satellite pointers, you will find answers regarding their usefulness and effectiveness.

Already check out this selection dedicated to TNTSAT/Astra:

https://forums.commentcamarche.net/forum/s/m/tntsat?forum_num=21&searchType=byDate&imageField_x=58&imageField_y=18

maurice33 · Answer

Thank you for your response
I went to the Astra website, I set up my configuration but they only cover the big cities for me, since I am in Grayan and the nearest hospital is in Bordeaux,
I don't know if that affects the distance because I am 100 km from Bordeaux,
I changed the polarization angle that was indicated to me, which is -11.3°, and I had no reception at all.
My signal quality and level never remain stable, it always varies by at least 10 percentage points.

Maurice33 · Answer

Hello, I'd like to know if it's normal that sometimes the program automatically switches to radio mode while I'm watching a show on TV, but it keeps the sound of the TV show.
I have the image of the radio screen.
Thank you.

willy · Answer

Hi, you need to be two, one to adjust the antenna and the other to keep an eye on it. I managed to get 86 and 83, but I can't do better. I have great reception, check if your antenna is not tilted too much or not enough.

harenom · Answer

I have the same issues as you, and yet a technician came to install the satellite dish. The reception remains at a maximum of 70% and as soon as it rains, I have regular interruptions. I wanted to know if you finally solved your problem!

Thank you.

Astra TNT Sat tuning issue

7 answers

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