On Wed, 17 Mar 2010, [iso-8859-1] Stefan SchДfer wrote:
> Paul, if you wound a coil for me to resonate on 2 kHz, i will do it ;-)
> But if i get the special permission for 300m we could test on 8,97 but 
> also on 5,18kHz (3*C => f=8,97/sqrt3=5,18)

To decrease frequency seems  not good idea on my opinion. Noise decreases
but radiation should decreases much more. This is intuitivelly but.

Regards,
Alexander