Re: [TCML] Tesla Coil + Transmitting Antenna ?

[ED <evp@xxxxxxxxxxx>]

This configuration is usually called a 'helical antenna' and is very 
inefficient if the length is short compared to a wavelength.  That's 
true for every TC I've ever seen described.  Look up 'helical antenna' 
on Google and you should be able to find design information.  I have the 
references in a couple of handbooks but that won't help you.

miles wrote:

> To comment on the post made earlier by Matt Siri
>
> I have always wondered if the secondary of a tesla coil has any 
> interesting antenna properties, as well as simply acting as the high 
> voltage end in an pair of mutually coupled resonant LC circuits. I 
> believe, in the transmitting dipole/quarter antenna case, the length 
> of the secondary tube, not the length of the wire wrapped around the 
> tube, would be the interesting variable.
>
> Miles
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