[VHFcontesting] K1SIG/R preliminary results

Michael Clarson wv2zow at gmail.com
Mon Sep 10 19:31:41 EDT 2018


I've used these as well. Since they are a high pass and low pass filter in
one box, the load on the unused port isn't really necessary. They work
great to isolate bands. Very low loss. --Mike, WV2ZOW

On Mon, Sep 10, 2018 at 4:47 PM Chet S <chetsubaccount at snet.net> wrote:

> Chris,
>
> I use a Comet CF-530 duplexer on my 6M radio for protection.
> 1.3-90 MHz Low Pass, less than 0.2 dB loss
> 125-470 MHz High Pass with a small 50 ohm load on this port
> 45 dB Isolation
> 600 watts
>
> 73,
> Chet. N8RA
>
>
> -------------------------------------------------------------
>
> * 6m would get clobbered every time the 2m op transmitted.  Partially
>   this was due to antenna position, as the 6m antenna is a moxon with a
>   wide beam width, and the 2m antenna is a seven element yagi.
>   Positioning them a certain way cleared this up, but I did not pay
>   enough attention to note what positioning was best.  I have a Dunestar
>   6m filter on the 6m radio, but I would love ideas on how other
>   multi-op stations handle this.
>
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