[TenTec] Capture area (was 80 meter loops)

[Sinisa Hristov]

Michael Tope wrote:

> Actually Sinisa, you just made my point. If you know the
> effective aperture of the receive antenna, then you can
> do the calculation of received power straight away. 

Yes - the context was that of increasing wire length
for a fixed wavelength - in which case talking about
aperture does not provide anything that's not already
provided by the radiation pattern.


> the Friis transmission formula which
> introduces the bogus non-physical concept of wavelength
> dependent "path loss" to account for the variation in the
> effective aperture of a constant gain receive antenna as
> a function of wavelength.

I also hold it formally true, but unpleasantly looking.


73,

Sinisa  YT1NT, VA3TTN