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Re: longitudinal waves
Original poster: "davep by way of Terry Fritz <twftesla-at-qwest-dot-net>" <davep-at-quik-dot-com>
Tesla list wrote:
> Original poster: "David Thomson by way of Terry Fritz
> Hi Dave,
> > One Assumes such waves ought to exist (....) at all freqs, and other freqs
> and sources are easier to work with...
> They do exist at all frequencies. Every EM wave is associated with a
> longitudinal and a rotational wave. I can't imagine how it could happen any
> other way.
> > > There is a whole class of nearground and underground antennas,
> >> for specialized applications in electromagnetic and radio
> >> work.
> I know there are underground antennas. As you mentioned, they are ELF
> related. But I'm not aware of any antenna structures designed to work
> directly off the ground.
Find a receiver with input terminals.
Lay wires on the ground.
Compare results with wires not connected to receiver and
connected to receiver.