There may be some viewers who will see interference with their satellite reception.

It is not uncommon to have some level of interference, which can be caused by many natural and also man-made events. However, if you are experiencing prolonged interference or interruption, here are some suggestions from our engineers.

Obvious Matters for Checking

While the following may be very basic matters, they are likely to resolve the majority of problems facing viewers, based on our experience:

1. Check the quality of 4 most important items which can result in poor reception or playback:
   1. ANTENNA DISH - Your atenna is the primary source of the reception. Given its importance, please ensure that you only use a good quality dish. You can easily tell the quality of the dish by physical inspection, but it is best to ask for an expert to check the dish quality. If your dish is bent, or rusted, or looks like it is not factory made, then naturally your reception quality will be affected. For best quality, we recommend brand products made from rust proof material. We suggest that you replace any dish which is not good quality to see if quality of reception improves.
      
   2. LNB - The LNB is the small cylindrical object which is connected to your satellite dish, and to which the cable is connected. The quality of the LNB will affect interference and reception quality. Please ensure that your LNB is working correctly by replacing it with another one to see if the quality is any different.
   3. RECEIVER - Your receiver may also cause problems with reception. We suggest when trouble shooting that you always test a different receiver to see if the same problem is observed with the other receiver, before moving on to other solutions.
   4. CABLING - Cabling is often not considered by those who are looking at reception problems. In many cases, the interference could be to the cabling itself rather than the dish. Please ensure that good quality cabling is used for your cabling and that the runs are not too long, and if long, are amplified. Qualified service repair technicians often will have professional equipment for testing cabling.
2. Obstruction can also be a problem. While this is an obvious issue, you may not have considered that a new building or structure, or a tree or even clothes on a washing line could be causing physical interference to your reception. Please check obvious obstructions.
3. There could also be equipment used in your area which could be causing interference at the same time to all dishes in your area. For example, microwave signals, which are often used for communications purposes, can cause interference to satellite reception.  We have some suggestions for shielding against interference of this type below.

Shielding Against Interference

If you have tried replacing equipment and you are not having physical obstruction, it may be that natural events or man made interference is causing reception problems for you. One thing you can do is to try and shield your satellite equipment (such as your dish and your LNB) from interference.

The following list is not exhaustive but has been prepared from response from users and from the experience of our engineers. We have tried to show examples based on photos from various website. We would welcome photos from solutions that you have come up with.

1. Shielding the Dish - you can try shielding the satellite dish from interference in many ways. The obvious way is to physically shield it by the use of existing structures, such as placing it between walls or buildings which shield it naturally from interference (you have to ensure that your satellite reception is not blocked). However this is not always possible. Other methods of shielding of the dish is by using flyscreens to shield your dish in different ways. The following two photos are two possible ways of using flyscreens to shield your satellite dish.
   
   
2. Shield the LNB - If the first option of shield the entire dish does not work, then you should try shielding the LNB itself using common household foil. You should do this by ensuring that the outside of the LNB facing away from the dish is covered but the inside of the LNB facing the dish should be open to allow the LNB to receive the signal from the dish. The diagrams below explain this better.
   

There are many other ways of shielding your dish cheaply and easily. We would be pleased to hear from you about your own problems so that our engineers can find new ways of improving the viewing experience of FARSI1 for everyone.

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