[amsat-bb] Diplexer recommendation

Patrick STODDARD (WD9EWK/VA7EWK) amsat-bb at wd9ewk.net
Tue Jan 9 15:57:33 UTC 2018


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:


The pictures and screenshots aren't in this article, but the text
tells the story of this comparison.


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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