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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Before I make a complete ass of myself again!
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<blockquote data-quote="Channel Hopper" data-source="post: 970187" data-attributes="member: 175144"><p>The shape of the antenna's parabola is irrelevant in all cases where there is 'shaping' during manufacture, or by machining the edges after cutting from a die to make packaging easier. Not the case with smaller pressed offset dishes where these can be stacked on crates in tens/fifties etc. </p><p></p><p>All elliptical antennas I have come across (notice the caveat ;) ), where the vertical axis is longer than the horizontal are moulded / pressed to a shape that makes the observation from both the feed and the satellite circular. It is not a coincidence that the feed position of an elliptical dish is designed to be the final position of the incoming signal, hence the more professional antennas use a circular feedhorn without difficulty. </p><p></p><p>I believe the Orbital 80 and 1m antennas could[ATTACH=full]92917[/ATTACH] be flatpacked alternately inverted without damage (however the stamped bolt holes prevent this in reality) .</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 970187, member: 175144"] The shape of the antenna's parabola is irrelevant in all cases where there is 'shaping' during manufacture, or by machining the edges after cutting from a die to make packaging easier. Not the case with smaller pressed offset dishes where these can be stacked on crates in tens/fifties etc. All elliptical antennas I have come across (notice the caveat ;) ), where the vertical axis is longer than the horizontal are moulded / pressed to a shape that makes the observation from both the feed and the satellite circular. It is not a coincidence that the feed position of an elliptical dish is designed to be the final position of the incoming signal, hence the more professional antennas use a circular feedhorn without difficulty. I believe the Orbital 80 and 1m antennas could[ATTACH=full]92917[/ATTACH] be flatpacked alternately inverted without damage (however the stamped bolt holes prevent this in reality) . [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Before I make a complete ass of myself again!
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