Guide length from the rear plate ( 5.9 m de la source) to first instrument / first bifurcation.
 Guide length from the rear plate ( 5.9 m from source) to last instrument.
 Coating out of pile part. m=1 natural nickel ; m=1.2 58Ni ; m=2/m=3 Ti-Ni supermirror.
 In-pile optical part installed by Swiss Neutronics for all the guides H1 and H2 in 2006.
 Linearily scaled flux to 58.3 MW (most of the time the starting value is 57 MW).