How do you keep the signal strength full

Bad SAT reception: improve signal strength and quality

May 3, 2017, 12:34 am by Tobi

In the comments to my article "SAT reception: difference between signal quality and signal strength“Questions about poor signal quality and signal strength keep coming up. For this reason, I would like to explain the causes of poor SAT reception in more detail and point out possible solutions.

Basically, however, I would like to point out that the displayed signal strength and signal quality is very much dependent on the satellite tuner used. For example, a Samsung TV with a built-in satellite tuner and an external satellite receiver on the same cable can have different values. For this reason you shouldn't take the displayed values ​​too seriously. As long as there are no malfunctions, everything should generally be in order. You should take action at the latest when reception problems such as jerking or sound or picture dropouts exist.

Improve SAT reception

A common cause of poor SAT reception is that no clear view of the satellite consists. Trees or bushes grow each year and over time may have grown into the field of view of the satellite. The DishPointer website offers the option “show obstacle (line of sight checker)”, which is very helpful in answering this question. This can be used to clarify, among other things, the maximum height of disturbing objects depending on the distance. If there is really an obstacle in the way, it helps either to move the bowl or to remove the plant or to prune it properly. However, pruning is only temporary and the problem could recur after a few years.

That is also important correct orientation of the bowl. So far, the Schüssel -orientation website has served me well. With precise execution, a very good alignment can be achieved without having to resort to special measuring devices or expensive service providers. Of course, nothing speaks against it. Anyone who can and wants to afford it will certainly drive well with it. Sometimes it is even sufficient if the LNB is pushed forwards or backwards in the recording so that the focal point is hit more precisely. Easily changing the turning of the LNB or the angle in the bracket can also achieve the desired result.

One is not uncommon bent bowl (correct name antenna) or a defective LNB the cause of the reception problems. The former can happen either as a result of transport damage or a storm. The damage can often not be seen with the naked eye. Therefore, you have to dismantle the bowl and lay it flat on a table. It must lie flat all around on the table and must not wobble. If she does, you should get a new bowl. With the LNB, the simplest method to check is the exchange with another LNB.

Another option is to use a larger bowl or one other LNBs. When it rains and bad weather, reception problems can arise, especially with smaller bowls. With a diameter of approx. 85 cm, however, you should be on the safe side. Recommended antennas include the Triax TDS 88 for around 50 euros and the Gibertini OP 85 for around 90 euros. For the LNB, I can recommend the Inverto Selected Quad Premium (IDLB-QUDL40). Other recommended LNBs are available from Amazon:

It should be mentioned again that the reception (signal quality) behind an LNB cannot be improved by any downstream components! All other measures serve to improve the signal strength. Here are two basic rules:

  • Keep cables as short as possible
  • Use branded cables

It is sometimes recommended to replace the old screw-on F-connector with modern self-install or compression connectors. This only increases the failure safety and reliability, you cannot achieve a performance gain with it. So in many cases this tip is useless.

The use of inline amplifiers is almost always useless. It amplifies both the useful signal and the noise. Therefore you cannot improve the signal with it. On the contrary: the amplifier is often counterproductive due to the inherent noise and possible overdrive. Its only purpose is to transmit a perfect signal over long distances.

However, a damper can be useful in certain situations. Many satellite tuners cannot tolerate high levels and therefore tend to overload. This partially affects the satellite tuners in Samsung TVs or many Humax models. In these cases, a damper can often work wonders. For example, I can recommend the Axing SZU 3-00 or the Kathrein ERE 02.

Tobi

Hello, my name is Tobias and I started this blog in April 2009. Since then I've blogged about software, the Internet, Windows and other topics that interest me. SSDblog is my second blog in that it is all about SSDs. I would be happy if you subscribe to my feed or follow me on Twitter and Facebook.

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