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<blockquote data-quote="Channel Hopper" data-source="post: 1031863" data-attributes="member: 175144">That is a different front end system to the one I thought you had, but no matter.Skyware do a feed system that is compatible with the Prodelin offset antennas, and they use a non elliptical feedhorn, presumably since the antennas are in the normal plane with larger dimention in the vertical.<a href="http://www.skywareglobal.com/wp-content/uploads/2015/09/Ka-Circular-RXTX-Feed-Spec.pdf" target="_blank">http://www.skywareglobal.com/wp-content/uploads/2015/09/Ka-Circular-RXTX-Feed-Spec.pdf</a>Circular polarity aside, it is interesting they have the option of an 'extended' feed system, which extends into the lower band for Astra 1L reception. If it not filtered differently along the waveguide then conceivably it might have a different dimension in part of the waveguide, and yet still retain the WR42 transfer at the important end.</blockquote>

[QUOTE="Channel Hopper, post: 1031863, member: 175144"] That is a different front end system to the one I thought you had, but no matter. Skyware do a feed system that is compatible with the Prodelin offset antennas, and they use a non elliptical feedhorn, presumably since the antennas are in the normal plane with larger dimention in the vertical. [URL]http://www.skywareglobal.com/wp-content/uploads/2015/09/Ka-Circular-RXTX-Feed-Spec.pdf[/URL] Circular polarity aside, it is interesting they have the option of an 'extended' feed system, which extends into the lower band for Astra 1L reception. If it not filtered differently along the waveguide then conceivably it might have a different dimension in part of the waveguide, and yet still retain the WR42 transfer at the important end. [/QUOTE]

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