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Therefore it is clear that one of the defects complained of some They buy the best kinds of LNB low-labs 0.6dB However reception is fuzzy and less quality of a friend uses a coefficient 0.8dB. More than that, this figure varies from one frequency to another frequency, in the sense that in the frequency 11250 Factory may be 0.6dB but in frequency 11600 differs be 0.7dB for example, and the number written on the unit is the average coefficient of LNB in the frequency range, which would face. Īlso must also know that this factor, which usually writes on the LNB unit is not accurate in any way, there are two units are equal in this parameter, even if they were from the same factory. For example LNB Ku-Band with 0.6dB coefficient, which is the best of the old with laboratories 0.8dB. Īnd you must know that the lower the coefficient, the better. The trade-off between quality and the LNB units that receive bandwidth per depends on the amount of the reduction factor of LNB (a ratio between the percentage Chocrh reference within to Chocrh ratio signal emerging from the LNB, measured in dB). The unit LNB converts bearish signal in the image of electromagnetic Microwave signals to electrical signals and then enlarge and then converted to the correct frequency borders with reducing the amount of LNB during these operations to as little as possible. What do the LNB unit signs affects it in its journey to the screen. Summarized and function modules LNB capture signals coming from satellites and converted to become a television pictures. But we can say that each plant is characterized by a certain size of dishes. Plant can not be determined to better than the other dishes on the whole. It must be the LNB unit of kind Almajntek where you can not put Vidhorn (which change the function cati as he does not receive signals strength of less than 40 units). But the truth is that there are kinds of large-capacity coating to reflect the electromagnetic signals that fall out of the satellites thus help to reverse as much as possible from the signals and prevent it from leaking through the dish.ĭifferent modus operandi flat dish for ordinary shower in that it does not reflect the signals but absorbs these signs located on the cell surface heading to reach their enlarged reference to the LNB unit installed behind him. Some might think that any coating applied is just to add an attractive appearance it. The manufacturing here is not only on the surface of the dish, but also in the arms riding them and meet in focus specific, if were not the arms and bends minute measurement will not apply the assembly point (position Alvedhorn) on focus and therefore are not receiving signals Home strong, but will receive the signals side weak. Īlthough there are a large number of factories producing dishes to Anjad more manufacturers or three only produce these dishes efficiently, because there are so-called Balasitmbh - a high-priced - which is the normalization of the dish it and then if Alasitmbh well-made and very precise produces dishes regularly surface and with Focus is set. May be ore manufacture a very good dish, but manufacturing the same wretched, we find that reception is weak or confused.
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Then comes dishes made of metal but is solid (the retina) and despite the reduced capacity to reverse signals as strong as solid dishes, but It is characterized Besmudha forward wind, especially in the coastal areas, which are often exposed to weather storms. Įxperience has been manufacturing a dish of raw fiberglass but it proved unsuccessful for several reasons, including the lack of resilience to weather and sun. The best material is aluminum for excellence in this property. Of the most important elements of the quality of the dishes to be dish stuff of great strength reverse. Generally, the lower the signal strength increased the need for larger diameters of the dish. * Satellite Hotbird necessary dish 90 cm in diameter because the signal strength in Egypt up from 40 to 44 units. * Moon Arabsat Referring force arrives in Jordan from 35 to 43 units, which requires the use of a diameter of 160 cm dish minimum. * Signals coming from the moon Nilesat power up in Egypt to more than 50dBW which allows receiving dish diameter 50 cm. This is regardless of Qatar dish determined by the buyer's desire to see the moons with a specific radiation power. Regularity or match the center of the dish with arms that accumulate in these focus The quality of the dishes depends on several elements including:. Open this topic Li strabismus reads and has love Ostlaa and learn more about theĪnd, God willing, satellite channels idea you like it and you benefit from them.ĭish function is to collect signals from the satellite downlink and reversed to the center of the dish.
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