[amsat-bb] Re: 145 MHz signal blocking 435 MHz downlink

Vince Fiscus, KB7ADL vlfiscus at mcn.net
Mon Jan 20 14:06:27 PST 2014


At 07:09 PM 1/19/2014 +0000, Jim Jerzycke <kq6ea at verizon.net> wrote:
>Buy a diplexer, and connect it as shown in the linked article:
>
>
>http://www.amsat.org/amsat-new/articles/Mode-J/
>
>I also tilt both of my Yagis so they're 45* to the boom, which makes them 
>90* to each other.
>
>Yes, I lose some signal on terrestrial use, but ti helped cut the 
>coupling, and desense, down quite a bit.
>
>73, Jim  KQ6EA


One thing I've always wondered about this is, would one what to
put a 50 ohm non inductive resister on the 2M output of the
diplexer? or shouldn't that make much difference.

KB7ADL





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