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Apropos this subject, ARRL Field Day recently went by, and around
that time Chris Gammell of The Amp Hour interviewed a slew of people
during <a moz-do-not-send="true"
href="https://toorcamp.toorcon.net/">Toorcamp</a>, an offshoot of
Toorcon that has a very heavy radio bent although it's primarily
security-oriented. Chris is tentative and even apologetic about the
unusual interview format (e.g. interesting, but not distracting
background noises, subjects even more tangential than usual). But I
think this series is absolutely terrific. Several of the interviews
are of folks at the cutting edge of the hobby radio field (e.g.
creators of HackRF).<br>
<br>
The latter half of one interview is especially relevant for both
beginners and folks trying to teach beginners. It starts at 19:15
here:<br>
<br>
<a moz-do-not-send="true"
href="https://theamphour.com/397-7-impedance-matching-with-jeff-keyzer-and-michael-ossmann/">https://theamphour.com/397-7-impedance-matching-with-jeff-keyzer-and-michael-ossmann/</a><br>
<br>
Finally, although not about radio, the<a moz-do-not-send="true"
href="https://theamphour.com/394-jeri-ellsworth-and-the-demise-of-castar/">
Amp Hour interview of Jeri Ellsworth</a> is worth the time if
you're interested in female role models. (and also Chris' interview
of the <a moz-do-not-send="true"
href="https://theamphour.com/397-1-an-interview-with-monica-houston-and-alessandra-nolting/">two
hackster.io ladies sailing Chris to the camp</a>).<br>
<br>
-Pete<br>
<br>
<div class="moz-cite-prefix">On 07/04/2018 12:49 PM, Scott Hall via
TriEmbed wrote:<br>
</div>
<blockquote type="cite"
cite="mid:d40562ee-6552-c882-7f0d-fe0832d25aae@gmail.com">
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Recently in TriLUG, TriEmbed and TriBRAE meetings we have talked
about various options to send data over a wireless link. They
include:<br>
<ul>
<li>Near field communications (NFC) - limited range to a few
inches</li>
<li>Bluetooth LE - designed for PAN (Personal Area Networks)
limited to a few feet<br>
</li>
<li>Zigbee - low power SAN (Small Area Networks) limited to tens
of feet, maybe a hundred feet<br>
</li>
<li>802.11-based Wi-Fi - limited to same as Zigbee but tied into
the Internet infrastructure<br>
</li>
<li>Narrowband IoT (NB-IoT) - power hungry radios using licensed
cellular infrastructure to carry over many miles<br>
</li>
<li>LoRa and Sigfox - low-power, long-range radios in unlicensed
ISM bands designed to carry over many miles</li>
</ul>
<br>
Here are a couple of articles featured in Radio Electronics
Magazine's newsletter from DigiKey:<br>
<br>
Welcome to the Wireless Menagerie: Part 1<br>
<a class="moz-txt-link-freetext"
href="https://www.digikey.com/en/articles/techzone/2018/apr/welcome-wireless-menagerie-rf-bands-protocol-choices-embedded-developers-part-1"
moz-do-not-send="true">https://www.digikey.com/en/articles/techzone/2018/apr/welcome-wireless-menagerie-rf-bands-protocol-choices-embedded-developers-part-1</a><br>
<br>
Welcome to the Wireless Menagerie: Part 2<br>
<a class="moz-txt-link-freetext"
href="https://www.digikey.com/en/articles/techzone/2018/may/welcome-wireless-menagerie-rf-bands-protocol-choices-embedded-developers-part-2"
moz-do-not-send="true">https://www.digikey.com/en/articles/techzone/2018/may/welcome-wireless-menagerie-rf-bands-protocol-choices-embedded-developers-part-2</a><br>
<br>
<pre class="moz-signature" cols="80">--
Scott G. Hall
Raleigh, NC, USA
<a class="moz-txt-link-abbreviated" href="mailto:ScottGHall1@GMail.Com" moz-do-not-send="true">ScottGHall1@GMail.Com</a></pre>
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