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<p>Yes, the 433 MHz frequency is not a good choice. The Si4464 is
tunable though. It could be moved lower into the 420 to 430 MHz
segment (if it was legal).</p>
<p>It can also be used on 33 cm.<br>
</p>
<p><a class="moz-txt-link-freetext" href="https://www.silabs.com/documents/public/data-sheets/Si4464-63-61-60.pdf">https://www.silabs.com/documents/public/data-sheets/Si4464-63-61-60.pdf</a></p>
<p>Ron W6RZ<br>
</p>
<div class="moz-cite-prefix">On 4/19/19 16:17, KENT BRITAIN wrote:<br>
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cite="mid:242393626.2133278.1555715842363@mail.yahoo.com">
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<div>It will totally trash out all the stations running weak
signal at 432 MHz, EME and FT8 activity.</div>
<div><br>
</div>
<div>The spreading codes are usually simple and the RF power
ends up in big clumps, not</div>
<div>evenly spread as the theory predicts.</div>
<div><br>
</div>
<div>WA5VJB</div>
<div><br>
</div>
<div>PS I was the first person to get a 2.4 GHz Direct Sequence
Spread Spectrum system through <br>
</div>
<div> FCC compliance testing. Grantee Code LPH.<br>
</div>
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<div> On Friday, April 19, 2019, 5:58:35 PM CDT, Steve Stroh
via Ground-Station
<a class="moz-txt-link-rfc2396E" href="mailto:ground-station@lists.openresearch.institute"><ground-station@lists.openresearch.institute></a> wrote: </div>
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<div>I advocate starting an STA like TAPR for Spread
Spectrum. </div>
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id="ydpb90467a1yiv8201990461yqt92087">
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<div class="ydpb90467a1yiv8201990461gmail_attr"
dir="ltr">On Fri, Apr 19, 2019 at 15:05 Ron
Economos via Ground-Station
<a class="moz-txt-link-rfc2396E" href="mailto:ground-station@lists.openresearch.institute"><ground-station@lists.openresearch.institute></a>
wrote:<br clear="none">
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class="ydpb90467a1yiv8201990461gmail_quote"
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<p>Not legal in the US on 70 cm. Exceeds the
limits of 56 kbaud and 100 kHz bandwidth in
part 97.307(f)(6).</p>
<p>Personally, I think this rule should be
deleted. What makes 70 cm any different than
33 cm and above?<br clear="none">
</p>
<p>Ron W6RZ<br clear="none">
</p>
<div
class="ydpb90467a1yiv8201990461m_941413520989740944moz-cite-prefix">On
4/19/19 09:28, Michelle Thompson via
Ground-Station wrote:<br clear="none">
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<div dir="ltr">
<div dir="ltr"><a shape="rect"
href="https://hackaday.com/2019/03/30/bidirectional-ip-with-new-packet-radio/"
rel="nofollow" target="_blank"
moz-do-not-send="true">https://hackaday.com/2019/03/30/bidirectional-ip-with-new-packet-radio/</a></div>
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<div dir="ltr">-Michelle
W5NYV<br clear="none">
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-- <br clear="none">
<div class="ydpb90467a1yiv8201990461gmail_signature"
dir="ltr">Steve Stroh (personal / general): <a
shape="rect" href="mailto:stevestroh@gmail.com"
rel="nofollow" target="_blank"
moz-do-not-send="true">stevestroh@gmail.com</a></div>
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