Re: Tesla Coil Operation - was "Harmonics"

• To: tesla-at-pupman-dot-com
• Subject: Re: Tesla Coil Operation - was "Harmonics"
• From: "jim lux" <jimlux-at-jpl.nasa.gov> (by way of Terry Fritz <twf-at-verinet-dot-com>)
• Date: Thu, 04 Feb 1999 22:29:54 -0700
• Approved: twf-at-verinet-dot-com

-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Friday, February 05, 1999 1:57 AM
Subject: Re: Tesla Coil Operation - was "Harmonics"


>Original Poster: "Antonio Carlos M. de Queiroz" <acmq-at-compuland-dot-com.br>
>
>Tesla List wrote:
>
>> Inefficient compared to what Antonio?
>
>To virtually any method in use, even at Tesla's time, to transmit
>energy.
>Wires for electricity, for example.
>
>> I think Tesla was basing the
>> eficiency models on the resonance matching the earth's natural resonance
>> via standing wave.
>
>Even if this is more than a legend, certainly the Earth is not a
>lossless
>electric resonator, and is -big-. The losses would be enormous.
>
Actually, once you get the wave propagating, the loss is pretty low. The ELF
systems for sub communications run around 15 kHz carrier frequency and have
remarkably low path loss. However, they put a megawatt into the antenna to
radiate about a milliwatt..

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