intermittent satellite reception

Question

Hello everyone, I have a reception problem with Canal Sat. Let me explain, I have trees that are not directly in front of the satellite dish but slightly to the side (big oak trees and very tall), but apparently that’s enough to cut off the signal in summer when the trees are full of leaves. However, in winter, I usually receive well, but right now it only works intermittently. I don't know if it's due to my installation; last year I had a green bar around 4, I added a small amplifier to the antenna cable and now I have a green bar at maximum. I also changed the LNB because it was damaged. I've tried all possible adjustments on my roof by slightly moving in one direction and then the other, including the LNB, and I think I've adjusted it as best as I can. However, when I go up on the roof, it works, and when I come down, it acts up. When I’m up on the roof next to the dish, I must act as a receiver, lol. I think my trees are the cause, and I don’t believe the dish has moved because we’ve had storms and it never moved before. But I'm wondering if there might be something else, and I'd like to get your opinion before going back up on the roof for nothing or disassembling everything. If anyone has any ideas, I appreciate it in advance, thank you.

babou · Answer

Hello,  there are two solutions to the problem: one: stay on the roof (sorry....) add an amplifier to the output of the decoder and check all the wiring....  best regards,

jpp · Answer

2 solutions to consider: choose a head with a better Noise Factor, 0.2 dB, and increase the diameter, thus the gain, of the dish. That's all to improve reception performance... (the ideal would be to move it...)

Bernorenard · Answer

Hello
trees are indeed an obstacle, especially when they have leaves. Since I assume you can't trim them, you'll need to move your antenna. It doesn't have to be on the roof; against a wall with an L-mount will work as long as your dish can see the sun at noon, it should be fine to find the path to the horizon between the trees. I've seen dishes just above the ground facing south. Of course, it's not in the city unless you have a garden. Take a compass if you're not sure of your orientation to check if you "see" the satellite.
Also, check out the site "www.telesatellite.com", there's plenty of information and a dedicated forum. Cheers!

Ritche · Answer

Hello, it's clear that from your description, I'm not totally on point. First of all, at noon the sun shines through some branches, but with an hour more, that means it has to be clear by 11 AM for us. And then at 11 AM, there's a total view of the sun, but not by much. On the other hand, for the Astra adjustment, I'm well cleared from the trees in line and to the left of the satellite dish but not to the right, and there's only a few degrees between the free axis and the trees. I think the problem comes from that since in the summer there's nothing and in the winter it works. I have a 60 cm dish and I'm going to think about moving my installation because I don't see any other solution. But still, a check before dismantling, you never know. Thank you!

Bernorenard · Answer

Re-
another question
are those your trees? If so, you can prune them wisely by making a small opening for Astra. I had that happen with my brother-in-law when we installed the antenna, everything was fine until one day he told me he was having problems because the cherry tree had grown and was just blocking the top. A small cut right there and it works again, and the tree isn't disfigured. These are just thoughts, but you hold the solution. It doesn’t take much for it to work well. Sometimes just moving the antenna a few centimeters (the support)
I remind you that 19° is for Astra relative to the south; that’s around 12 to 1pm in winter, you see?
Catch you later.

Intermittent satellite reception

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