Hartmann Grids were discovered in 1950 by a German medical doctor, Ernst Hartmann. The lines form a grid around the earth, running north to south and east to west, and extend to a height of 60 to 600 feet. According to Dr. Hartmann, the worst place that a person can sleep or work is over a Hartmann knot, where two Hartmann lines cross, as harmful radiation is intensified at this juncture. Geopathic Zones have a range of influence from 2 to 200 feet, and reach a height of 600 to 30,000 feet. Their direction is random and may be horizontal, vertical or diagonal.
Geopathic zones can also be man made.
These would include electromagnetic fields which emanate from such structures as high tension wires or satellite towers. Personal Zones are also random in direction, with a variable range of influence and height. These zones produce energies that uniquely effect an individual on a personal level. Simply stated, they produce an energy that grates on the energy of any given person, producing a chronic subtly annoying and irritating effect. Animals are also affected by these zones.