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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Satellite Meters and Installation Equipment
Satlook Color HD taster
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<blockquote data-quote="vma" data-source="post: 768187" data-attributes="member: 256592"><p>Spot Beam is a narrow beam, which covers only a reduced area. Imagine a lamp: you can either allow the light cone to be wide or narrow. If it is wide, you will illuminate a big area (circle), but with low intensity. If you use a narrow beam, you illuminate a smaller circle, but with increased intensity.</p><p></p><p>Spot beams are used for two combined reasons:</p><p></p><p>a) to prevent people outside the coverage area to receive the broadcast</p><p>b) to allow people within the coverage area to use smaller dishes or have an increased signal level (important for DVB-S2)</p><p></p><p>Cheers,</p><p>vma</p></blockquote><p></p>
[QUOTE="vma, post: 768187, member: 256592"] Spot Beam is a narrow beam, which covers only a reduced area. Imagine a lamp: you can either allow the light cone to be wide or narrow. If it is wide, you will illuminate a big area (circle), but with low intensity. If you use a narrow beam, you illuminate a smaller circle, but with increased intensity. Spot beams are used for two combined reasons: a) to prevent people outside the coverage area to receive the broadcast b) to allow people within the coverage area to use smaller dishes or have an increased signal level (important for DVB-S2) Cheers, vma [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Satellite Meters and Installation Equipment
Satlook Color HD taster
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