[amsat-bb] Re: Question adding RHCP to Cheap Yagi
ko6th_greg at hotmail.com
Fri Jan 2 11:30:55 PST 2009
For CP you would either have the elements offset and feed them in-phase, or have them not offset and feed them with the phase delay. You want to create a spin to the wave as it travels down the boom. I expect doing both would make a mess out of things.
> Date: Fri, 2 Jan 2009 10:19:23 -0500
> From: cptcurt at flash.net
> To: amsat-bb at amsat.org
> Subject: [amsat-bb] Question adding RHCP to Cheap Yagi
> Good Morning All:
> I've been using a 10el version of Kent Britain's Cheap yagi for my 70cm
> downlink antenna. It suffers from deep fades so I am going to add the
> second yagi with physical offset to get to RHCP in the x config.
> Question is:
> normally I would reverse the coax connections to a dipole driver but
> this is a hairpin (half of a folded dipole. )
> Do I reverse the connections as normal? Kents instructions just say
> offset the elements and feed in phase.
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