Here are some example settings from Pogo #300 using a rig tension gauge model Loos PT-2M (size 5mm, 6mm, 7mm).
Step the mast with one chock aft of and two chocks forward of the mast (see Owners Manual).
Measurements with slack backstays:
Cap shrouds (V1): 37
Lower shrouds (D1): 23
Intermediate shrouds (D2): 11
Small amount of pre-bend, and 20-30 cm rake measured at level of boom.
Comments and suggestions are very welcome!