Mirek Kasal OK2AQ published a very interesting design of a quad array of patch antennas for S-Band Uplink combined with an standard LNB. Indeed the big advantage is, that the LNB field-of-view will not be shadowed by the rest...
for more look here at Mirek's webpage:
http://www.urel.feec.vutbr.cz/…eed/2_4%20GHz%20feed.html
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