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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
Am I pointing at the right satellite?
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<blockquote data-quote="davemurgtroyd" data-source="post: 1054045" data-attributes="member: 319227"><p>No the box usually has no way of identifying which satellite it is pointing at - you tell it which satellite it is and the bo then scans (and labels the satellite name you told it to scan) the frequencies stored in its database for the satellite you have told it. Actually some satellites do broadcast info to identify the satellite (network id and broadcast stream) but I have never come across a receiver (in the last 30 odd years) which uses that info. The labelling has been applied by you telling the receiver which database to use. It would be next to useless for a receiver to try to identify a satellite position/group from the frequencies received - transponders are switched on and off (and channels moved to new ones) very frequently, satellites have a limited life and when replaced they usually have a differing set of transponders/frequencies and local reception/interference problems may well block certain frequencies.</p><p></p><p>Receivers come from the factory with a pre-loaded database of satellites and their transponder frequencies for easier "plug and play" installation of the receiver and is invariably out of date by the time you purchase it. This database can be (and should) be manually editted by the new owner by adding new transpobders and often new satellite groups to this database. These databases will also vary which satellites they list depending on the market a particular box is to be sold in - very little point in listing Far East and Australasian satellites on a European box.</p></blockquote><p></p>
[QUOTE="davemurgtroyd, post: 1054045, member: 319227"] No the box usually has no way of identifying which satellite it is pointing at - you tell it which satellite it is and the bo then scans (and labels the satellite name you told it to scan) the frequencies stored in its database for the satellite you have told it. Actually some satellites do broadcast info to identify the satellite (network id and broadcast stream) but I have never come across a receiver (in the last 30 odd years) which uses that info. The labelling has been applied by you telling the receiver which database to use. It would be next to useless for a receiver to try to identify a satellite position/group from the frequencies received - transponders are switched on and off (and channels moved to new ones) very frequently, satellites have a limited life and when replaced they usually have a differing set of transponders/frequencies and local reception/interference problems may well block certain frequencies. Receivers come from the factory with a pre-loaded database of satellites and their transponder frequencies for easier "plug and play" installation of the receiver and is invariably out of date by the time you purchase it. This database can be (and should) be manually editted by the new owner by adding new transpobders and often new satellite groups to this database. These databases will also vary which satellites they list depending on the market a particular box is to be sold in - very little point in listing Far East and Australasian satellites on a European box. [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
Am I pointing at the right satellite?
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