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crossed yagi for sat reciever

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hejas.sp

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hi:)
for a crossed yagi antenna how can we feed a 90 degree phase shifted signal?
please help:)
 

The feed should be made with a delay section of the feed line. Consult e.g. the ARRL Radio Amateur's Handbook or ARRL Antenna Handbook for details.
In principle the delay section is a quarter-wave long feed line. As coaxial cables have a dielectric inside, you should use the "shortening" factor available from cable specifications.
 
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