Thanks Paul for the input on the RG-303
N2TK, Tony
-----Original Message-----
From: RFI [mailto:[email protected]] On Behalf Of Paul Christensen
Sent: Tuesday, January 29, 2019 3:56 PM
To: 'Rfi List' <[email protected]>
Subject: [RFI] FW: Common mode choke on 4 Square feedlines without skewing
phasing?
>Can you think of any negative aspects of doing it this way over making
>up
some RG400 chokes?
Don't rule out surplus RG-303. It's not too common but it can be found with
some searching. RG-303 is similar in construction and power handling to
RG-142/RG-400 but with a slightly smaller diameter that makes winding
easier. Surplus cost is about USD $1.35 ft. It works well for chokes where
ends are flared out and soldered but I don't recall if there's a common
soldered or crimped connector that works with its smaller jacket diameter.
As a point of reference, Alpha used RG-303 in some of its amplifiers.
I've been using RG-400 for inside shack cabling long before it became
popular -- back in the good 'ole days when it was easily had for $1.00 ft.
Paul, W9AC
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