Please describe the connection for a pair of stubs, cascaded stubs--
this is a new concept for me!
k7puc
-----Original Message-----
From: George Cutsogeorge <w2vjn@rosenet.net>
To: towertalk@contesting.com <towertalk@contesting.com>
To: <towertalk@contesting.com>
Date: Tuesday, December 21, 1999 5:02 PM
Subject: Re: [TowerTalk] what is the experience with F12 dual-band ants and
N radios?
>
>
>> I might worry about toasting the bandpass filter.
>
>RG-213 costs $0.33 per foot these days. The bandpass filters out
>there for amateur use give a max of 45 to 50 dB isolation and not
>even that much between adjacent bands, You cannot transmit at
>the KW level through them. Cost is about $40 per band. This
>buys a lot of coax. There is NO burn out problem with RG213 used
>for stubs. A pair of stubs will give 55 to 65 dB isolation.
>Three stubs cascaded will give 80 to 100 dB. Four stubs cascaded
>will give over 110 dB, the limit of my measuring equipment.
>
>George
>W2VJN
>
>
>
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