[PPRAANet] RE: PPARES: RFI to Davis Wx stations

Thu, 17 Apr 2003 20:09:47 -0600

Ben,

With similar wx instruments we've used shielded wire in lieu of the original
stuff that comes with a package.  You can buy shield multiconductor wire
that will help minimize any RFI on the line.  Ferrite cores have also been
used to help strip off any RF at the weather display box.

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Many who have the Davis Wx stations experience RFI.  I ask Davis if they had
a RF choke to place at the WX station computer.  They said no.  They
recommended a Radio Shack RF Choke, part #2173-104.

    Does anyone have any experience with this "cure".  I know Peet has an RF
Choke for their Wx station but no such luck with Davis.  Davis recommends
their "Protected Junction Box".  I am using it but the RFI seems to be
coming in down stream of the Junction Box.

    73's   N0LNW, Ben

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