On Fri, 11 Jan 2008 18:51:07 -0800 (PST), Keith Dysart
wrote:

If you cannot identify the source, then you cannot proclaim a
separation.

That is hardly difficult. If no energy every crosses
the middle of the line,

Hi Keith,

If indeed.

The difficulty is you've already allowed that the energy is not
tagged, so its source is unknown at the load. So "if" fails through
this immutable correlation. The separation is not demonstrated.

73's
Richard Clark, KB7QHC