Richard Clark wrote:

wrote:
Neither the instantaneous magnitude nor instantaneous phase is constant.

Uh-huh

See for yourself at:

http://einstein.byu.edu/~masong/HTMs...newave2EX.html

The only place the instantaneous magnitude of a standing
wave is constant is at a node where it is equal to zero.
Between nodes, magnitude and phase are continually changing.
--
73, Cecil, W5DXP