On Monday, June 30, 2014 8:28:30 AM UTC-6, Gav Goudie wrote:

Typical parlance that seems to work on grid launches I have been involved
with as used by the launch marshall goes something like:

"Tug GC, next glider is Discus on the left hand side"
"Tug GC take up slack"
Or
"Tug GC take up slack and hold" (if a relight or a landing tug is on late
finals
etc)
"Tug GC all out, all out" or "STOP STOP STOP" (delete as appropriate)


I am not sure the system you are suggesting came across very well in your post.
I think you are saying that instead of using a signal relay person that you have a radio relay aka a Launch Marshall directing the tow plane.

It is probably a better idea than the signal relay person.
However the concern of course is to not clutter up the radio frequency so bad that aircraft (tow planes) in the pattern can't make adequate position reports with out stepping on each other transmissions.
Very doable, but all aspects of this procedure need to be considered for each site.

Brian
(Comp Pilot & Towplane/Comp Towplane Pilot) also.