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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Bigger Dish, Worse Signal Quality
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<blockquote data-quote="davemurgtroyd" data-source="post: 1053123" data-attributes="member: 319227"><p>Increasing the dish size has also made the dish more "tightly focussed" on the satellite arc. The Sky/Freesat satellites are a group of 3 satellites very close together and you can only perfectly align on one of those using a simple meter (such as in the receiver) - correct alignment is a compromise for the three and increasing dish size may well decrease readings for one particular channel with an increase in others. Normally your box is only measuing levels on one particular channel (usually the default EPG channel) and the only perfect way to align a dish is with a meter that shows the full spectrum from the satellites. Gain control may also have a bearing in this as well.</p></blockquote><p></p>
[QUOTE="davemurgtroyd, post: 1053123, member: 319227"] Increasing the dish size has also made the dish more "tightly focussed" on the satellite arc. The Sky/Freesat satellites are a group of 3 satellites very close together and you can only perfectly align on one of those using a simple meter (such as in the receiver) - correct alignment is a compromise for the three and increasing dish size may well decrease readings for one particular channel with an increase in others. Normally your box is only measuing levels on one particular channel (usually the default EPG channel) and the only perfect way to align a dish is with a meter that shows the full spectrum from the satellites. Gain control may also have a bearing in this as well. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Bigger Dish, Worse Signal Quality
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