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<div class="moz-cite-prefix">On 2019-03-31 0:54, Phil via Tacos
wrote:<br>
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<blockquote type="cite"
cite="mid:CCA04D7C-5BC7-4791-9486-451FABC71F65@aol.com"><i
class="">Electro</i>magnetic field? I seriously doubt it. More
likely a big coil in the ground, big coil in the car, magnetic
induction, air-spaced transformer. Range approximately equal to
coil diameter.</blockquote>
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<font face="Verdana">Well, any non-stationary magnetic field is
actually an electromagnetic field... characterized by the Poynting
vector.<br>
<br>
73 Alberto I2PHD<br>
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