Hi Zim,

Yes, now that you mention it, I do see how it is a much smaller version of
Auroral propagation!

Sean

At 05:43 PM 2/23/02 +1100, you wrote:
>Sea,
>
> > So, my only guess is that the radar is
> > seeing an echo from all the mercury (?) ions being jostled around inside
> > the light at 60 or 120Hz. I'm not surprised that I would be able to detect
> > such an echo, only surprised that it is SO strong, it is much stronger,
>for
> > example, than the echo from my power supply fan.
> >
> > Any ideas?
>
>Inside the Fluoro' tube is a column or ionised gas which is thrashing around
>like an angry snake,
>as well as being formed and extinguished at a 100 Hz rate.
>
>By definition, it is heavily ironised/conductive and thus reflects radio
>waves exceedingly well...
>
>I guess your experiment is similar to the ham radio operators who bounce
>signals off the Aurora.
>They hear very strong signal which are heavily modulated and distorted by
>the rapid movements of the Aurora
>
>
>............................ Zim
>
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