<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Dec 18, 2014 at 9:49 AM, David Lang <span dir="ltr"><<a href="mailto:david@lang.hm" target="_blank">david@lang.hm</a>></span> wrote:<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><span class=""><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
*15.9 bps/Hz* Spectral Efficiency.<br>
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<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
If they're using phase encoding or similar, that's pushing the ragged edge I <br>
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think.  Won't take much dip in the S/N before that comes back to bite you on the tookus,<br>
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They support many encoding schemes, and will use all channels in each direction. As conditions degrade, the speed will slow.<br>
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The top speed is using 1024-QAM modulation, it will then fall back to 256-QAM (which is the top that 802.11ac will use), and then to 64-QAM (which is the top of 802.11n)<br>
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This has far more in common with old fashioned microwave links than Wi-Fi<span class=""><font color="#888888"><br><br></font></span></blockquote><div><br></div><div>Hey Dave,    found this.... :) <a href="http://www.gizmag.com/build-your-own-satellite-pocketqube/35217/">http://www.gizmag.com/build-your-own-satellite-pocketqube/35217/</a></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><span class=""><font color="#888888">
David Lang</font></span><div class=""><div class="h5"><br>
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