A Column of Mines

- distance to active mine before it approaches?
- exact meaning of distance?
- distance depends on maxheightscale?
- reasonable max for num?
- has dis any effect on just one mine?

typ = 2058

dis = Distance of the mines in meters, 10 most often

num = number of mines in column, used all <= 5

dtyp = 
27 - passiv
28 - activ

