Re: Halloween Coiling and the FCC

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com>

> In a real sense, the phrase 'ground wire'
> is meaningless in RF work.  It is sort of OK
> at Coiling freqs, but gets meaningless as the freqs
> go up.  Once the wire is 1/10 wave, and up, its
> not a wire: its an 'insulator'.

>>>>>An insulator???  Thats news to me.  I do a lot of RF work with feeds
greater than 1/4 wavelength long at frequencies up to 24 GHz.  Acts like a
conductor to me . . . of course the impedance changes with frequency at
those frequencies.



Dan





>
> >>To pick up a TC at 20 miles is really some feat!  At TC
> >>frequencies, the background RF noise against which the TC signal
> >>is received is quite high, so a fair bit of signal must be being
> >>radiated - rather more than we would expect from the coil and
> >>topload alone.
> Subject to correction:
>
> My impression is that HAMs used to work Spacelab with
> 1W ish Walkie talkies?
>
> (hmmmmmmmm
> Work with NASA on a getaway special to receive from
> a Tesla coil while in space????
> (JUST KIDDING)
> )
>
> --
> best
> dwp
>
> ...the net of a million lies...
> Vernor Vinge
> There are Many Web Sites which Say Many Things.
> -me
>
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