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ARISS antenna selection?
Several manufacturers make such antennas, and to
change "polarity" (from clockwise, to counter clockwise), change phaseing lines feeding the (say) horizontal elements, from 90 degrees to 270 degrees, relative to the feed of the vertical elements. Try Cushcraft, M-Squared, HYGAIN, ect. Think, also some of the handbooks also show them, as well check ANSAT's website! Jim NN7K Steve Reinhardt wrote: I have read a circularly polarized Yagi is appropriate for ARISS communications. Is there a vendor that offers a crossed design? Or, better still, is there a construction article that I can refer to? What are you using for this type of communication? I'm trying to set up a contact for my son's school class. 73, Steve W1KF |
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