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<font size="5" face="Comic Sans MS">It looks like the price for the
Pluto + dual radio rig is over $150. That is the rig with 4
antenna connections. The two antenna connection board is going
for ~$80. These prices seem doable, but I will wait till I have a
clear plan to fly it.<br>
I had a bit of a setback with the drone I converted. One of the
motors is acting odd. I will have to open it up and see what is
what.<br>
</font><br>
<div class="moz-cite-prefix">On 7/5/2026 9:24 PM, Alex Fraser via
Tacos wrote:<br>
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cite="mid:11a26ff9-01d6-46b3-bda9-e0a732d643df@comcast.net">
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<font size="5" face="Comic Sans MS">The board was recommended by
AI (Gemini). My search string was for a design for a light
weight airborne VHF/UHF transponder. I should say that was the
string I ended up on. I started with "network able ssb radio"
and just kept asking questions. It took me through ham balloons
. <br>
The LimeSDR Mini 2.0 tied to a Pi Zero W was also suggested.<br>
Some Gnu Radio techniques for building a transponder were put
forth.<br>
This looks feasible. It will take me a bit of time to build a
pod, I'm in the knowledge digestion stage....<br>
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<div class="moz-cite-prefix">On 7/5/2026 5:52 PM, Michael Katzmann
wrote:<br>
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cite="mid:CAMyt5OTfSwmaXxzYshWkcUTJayr-KF-c1SPXojB=X5kYs+s78g@mail.gmail.com">
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<pre wrap="" class="moz-quote-pre">Any opinions on the PlutoSDR?
</pre>
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<pre wrap="" class="moz-quote-pre">From what I hear these are good general purpose SDRs but they are only
8 bits, so similar dynamic range to the cheap dongles.
There is lots of support and software for Pluto.
The oscillator stability could be better. You would be better looking
at the Pluto+ which is the same ADI reference design but with
improvements (TCXO I think).
Michael
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