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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
prime focus dish
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<blockquote data-quote="Channel Hopper" data-source="post: 840035" data-attributes="member: 175144"><p>What is a c/m ?</p><p></p><p>Prime focus dishes are the mainstay of satellite reception. What has over taken them is</p><p></p><p>1) Offset designs (at least for the smaller sizes ) are far cheaper to stamp out than a spun prime focus reflector.</p><p>2) A prime focus dish works at its best on a single satellite, meaning motorising to get the best out of them. DiSEqC motors are - almost always - for offset design by the angles within the gearbox castings.</p><p>3) The dealers rarely supply them with their correct scalar feed.</p><p>4) The LNBF is produced in bulk for peanuts and the integral feed is a horn type, designed to work with offest designs.</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 840035, member: 175144"] What is a c/m ? Prime focus dishes are the mainstay of satellite reception. What has over taken them is 1) Offset designs (at least for the smaller sizes ) are far cheaper to stamp out than a spun prime focus reflector. 2) A prime focus dish works at its best on a single satellite, meaning motorising to get the best out of them. DiSEqC motors are - almost always - for offset design by the angles within the gearbox castings. 3) The dealers rarely supply them with their correct scalar feed. 4) The LNBF is produced in bulk for peanuts and the integral feed is a horn type, designed to work with offest designs. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
prime focus dish
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