True: The inverse square relation still holds. ----- Original Message ----- From: "David VanHorn" To: Sent: Friday, August 06, 2004 7:06 PM Subject: Re: [OT:] Microwave ovens was WIFI Waveguide antenna > At 05:56 PM 8/6/2004, Russell McMahon wrote: > > >> >BUT! What if the radiator isn't isotrpoic, but has "gain" in a > >particular direction? > >> > >> Inverse square still holds, because the area painted will still be > >proportional to the square of the radius. > > > >This assumes (As I noted) that the radiation is effectively just confined to > >a spherical subset and is effectively a point source at point of origin. If > >the radiator is a non point source that collimates the wave IMO you get non > >inverse-square results. Examples might be phased array type systems. > > Not too likely in the case of the dropped microwave oven. > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.