Owen Duffy wrote:
If one takes measurements with the instrument, it is true that the power
at a point is "forward power" less "reflected power", and the
manufacturer has scaled the instrument in Watts to facilitate that
calculation, but that does not imply that the value of "forward power" or
"reflected power" has any stand alone value, the ratio of the two is
meaningful, the difference of the two is meaningful, but one alone is
meaningless.

How do you explain the fact that a transmission line
contains exactly the amount of energy needed to support
the actual forward power and reflected power? If it
is not moving at the speed of light (modified by VF)
it is not EM energy.
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73, Cecil http://www.w5dxp.com