Create Variables based on template

[gawalione]

20 stations:

N 51°04. (St.1 + St.2 + St.3 + St.4 + St.5 + St.6 + St.7 + St. 8 + St.9 + St.10) + 900
E 013°46. (St.11 x St.12 x St.13) + St.14 + St.15 + St.16 + St.17 – St.18 –St.19 – St.20