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Re: Duplexer(s) for mode VU



Hello the Net:

for 2M I use a DCI band pass filter.

For 435 MHz I use a LANDWEHR mast mounted preamplifier that has a very 
tight bandpass, where I need it.

Stan, WA1ECF




Andrew Glasbrenner wrote:

>  
>
>>Hi,
>>
>>A question about using duplexers to reduce desense in mode VU (J)
>>operations.  You can put one in the V TX line to reduce the 3rd harmonic,
>>and from the U antenna to reduce the V fundamental overload.  Which, or
>>both, do people use?
>>    
>>
>
>I've had the best luck putting the diplexer between the 70cm antenna and
>preamp....
>
>73, Drew KO4MA
>
>
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>
>  
>

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