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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
SMW LNB and OMT
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<blockquote data-quote="Old Satellite" data-source="post: 62106" data-attributes="member: 175277"><p>No in short an orthomode is near zero loss 0.1 db and the loss is normally at the higher frequencies due to design of the wave guide. </p><p></p><p>The Polorotor is next on my list and ideally a seavey feed would be nicer still, however my own ADL CP 400 have perfomed very well.Measured signal in KU band is 1.5 db minimum better than the normal Chapperal corotor.</p><p></p><p>Magnetic polarisers are a comprimise - normally you will lose between 0.1 and 0.4 db the xf 45 is still cheap to compare with a polorotor option. I was refering to the situation when the dish is motorised and not limited to a single fixed satellite. as for the claims on cross plorisation - that remains what they are.</p><p></p><p>Bigger dish - can youbend the rails a little so that it fits or lift the dish above them ?</p><p></p><p></p><p>Regards</p><p></p><p>Old Satellite</p></blockquote><p></p>
[QUOTE="Old Satellite, post: 62106, member: 175277"] No in short an orthomode is near zero loss 0.1 db and the loss is normally at the higher frequencies due to design of the wave guide. The Polorotor is next on my list and ideally a seavey feed would be nicer still, however my own ADL CP 400 have perfomed very well.Measured signal in KU band is 1.5 db minimum better than the normal Chapperal corotor. Magnetic polarisers are a comprimise - normally you will lose between 0.1 and 0.4 db the xf 45 is still cheap to compare with a polorotor option. I was refering to the situation when the dish is motorised and not limited to a single fixed satellite. as for the claims on cross plorisation - that remains what they are. Bigger dish - can youbend the rails a little so that it fits or lift the dish above them ? Regards Old Satellite [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
SMW LNB and OMT
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