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TopBand: RF Chokes on Beverage Feedlines

To: <topband@contesting.com>
Subject: TopBand: RF Chokes on Beverage Feedlines
From: jmaass@freenet.columbus.oh.us (Jeffrey Maass)
Date: Fri, 14 Nov 1997 14:31:37 -0500 (EST)
We are feeding our 2-wire Beverages with RG6, and want to place RF chokes
at the feedpoints to prevent errant signals on the shield from making
their way into the receiver.

We are currently testing 12-14 turns (as many as will fit) of RG6
through an FT240-77 ferrite core close to the feedpoint. Is this
sufficient/effective? Another core?

Thanks / 73,

Jeff Maass       (jmaass@freenet.columbus.oh.us)      Amateur Radio K8ND
      USPSA/IPSC # L-1192   NROI/CRO          NW of Columbus Ohio
      25000 Members in 2000!



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