Re: Cross Polarized Yagi: X or +
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It will allow you to use a conductive crossboom, and/or route your feedline back out of the antennas along the crossboom. Antenna guru Kent Britain, wa5vjb studied and tested this. He wrote a paper on it and published it as part of an AMSAT symposium. You can see the paper here: Using Metal Cross Booms w/ Satellite Antennas (kk0sd.net)http://www.kk0sd.net/metalboom/metalboom.htm
73, Joe kk0sd
From: K4IDC via AMSAT-BB [email protected] Sent: Sunday, September 10, 2023 4:54 PM To: AMSAT-BB [email protected] Subject: [AMSAT-BB] Cross Polarized Yagi: X or +
I'm new to this mode.. I was advised by someone I think is knowledgeable, and certainly more so than me, to orient my cross polarized 2m Yagi so that the elements resemble an X rather than a +. Easily enough done...what's the advantage? It's my understanding that the two sets of elements are out of phase by 90° & combined at the common feed point to emulate circular polarization. How does the rotation along the boom axis make a difference? Seeking understanding...
Thanks, Robin Midgett K4IDC
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Gary