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Bob Davidson

wa7iut@mastodon.radio

<p>Licensed since 1967. Boise, Idaho, USA. Doing a lot of wireless IoT professionally (mainly BLE). Working on getting back on the air, with a magnetic loop this time. Like SWL&#39;ing and CW.
 </p><p>Time Magazine Person of the Year, 2006</p><p>Getting Started with Bluetooth Low Energy book:<br /><a href="https://www.oreilly.com/library/view/getting-started-with/9781491900550/" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">oreilly.com/library/view/getti</span><span class="invisible">ng-started-with/9781491900550/</span></a></p><p><a href="https://www.linkedin.com/in/robertdavidson" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://www.</span><span class="">linkedin.com/in/r

Posts

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    Here&amp;#39;s another simulation of a hybrid coupler (a.k.a. rat race coupler) using openEMS, a full-wave electromagnetic solver. @w2aew

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    been fiddling with openEMS, a full-wave electromagnetic solver. Here&amp;#39;s a simulation of a Log Periodic Dipole Array @w2aew

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    This is how we did it before Digikey or the internet. (circa 1970, I was 15 or 16 yo)

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    @karppinen Kitty!

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    RE: https://mastodon.radio/@wa7iut/115974542446446924 @BrianJopek@mastodon.world