Certainly for the wing; also for the stabilizer?

At 18:15 22 November 2008, Udo Rumpf wrote:
All Grob gliders used E528
Udo


At 17:51 22 November 2008, wrote:
A friend is building an aircraft of his own design. He has used a
horizontal stabelizer from a Grob 103. He wants to know what is the
airfoil section of that stabelizer?
An Eppler E _ _ _ ? ? ?
Any objective information appreciated.
Cheers ...Jock