[amsat-bb] Diplexer recommendation
Rico van Genugten
rico.van.genugten at gmail.com
Tue Jan 9 16:16:26 UTC 2018
Hi all,
Thanks for the recommendation Patrick, I have contacted MFJ and hope they
will ship a couple of them to the Netherlands. I have also contacted WiMo
for some specs on their diplexers as they aren't available on their
website, I will share them on this list when I receive them.
73,
Rico PA3RVG
On Tue, Jan 9, 2018 at 4:57 PM, Patrick STODDARD (WD9EWK/VA7EWK) <
amsat-bb at wd9ewk.net> wrote:
> Rico,
>
> I had used either Comet or Diamond diplexers in the past, until I
> found the MFJ diplexers were about half the price of the Comet and
> Diamond units, with what I saw as comparable performance. WiMo in
> the US is like your description of MFJ in Europe; I've never seen
> or tried WiMo diplexers.
>
> One review I saw a while back actually showed the MFJ-916B to be
> much better than Diamond's MX-72:
>
> http://www.w4gso.org/news/comparing-duplexers-mfj-vs-diamond/
>
> The pictures and screenshots aren't in this article, but the text
> tells the story of this comparison.
>
> 73!
>
>
>
>
>
> Patrick WD9EWK/VA7EWK
> http://www.wd9ewk.net/
> Twitter: @WD9EWK or http://twitter.com/WD9EWK
>
>
>
>
>
>
> On Tue, Jan 9, 2018 at 9:42 AM, Rico van Genugten <
> rico.van.genugten at gmail.com> wrote:
>
>> Hi all,
>>
>> I'm using an FT-897D for TX (non-duplex), and an Airspy and computer for
>> RX. Good idea to use four switches Greg, in fact that's what I'm currently
>> doing. With four switches you always use one antenna for RX and the other
>> for TX though, I want to be able to use the same antenna for RX and TX
>> when
>> that works better with the current satellite orientation. Using two
>> switches and two diplexers I would be able to independently select which
>> antenna to use for RX, and which one to use for TX. I posted the
>> connection
>> scheme on twitter (warning, mspaint ahead):
>> https://twitter.com/PA3RVG/status/950649511935905792
>>
>> But we are drifting from the original question: which diplexers? I have
>> heard good stories about the MFJ-916, but its availability is not great in
>> Europe. What about Comet, Diamond or Wimo? Are they any good?
>>
>> Regards,
>> Rico
>>
>>
>>
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