On Jul 25, 6:35*am, Mike wrote:
"Given all this, I will not do rudder wag until I have placed the
glider pilot in a position where misinterpretation will not be a
cause
of an accident."

Now that is a good idea. If you are climbing at all don't wag until
well over 200' AGL. If the climb is that slow the glider pilot should
realize it and be checking his spoilers.

Mike

That is SOP at many places, why it is not followed/emphasized to all
tow pilots I don't know.

Darryl