The Earth's gravity field is related to the Earth's mass and shape and to the
position, where we apply the measurement.The measured value in any place
depends on the altitude of the place angle and Earth's rotation speed around
itself.
In the pap
er we present a theoretical idea connecting the value of gravity with
the above mentioned amounts. Next we calculated the value of this field in
some Syrian cities.
The paper is ended by important note, that the obtained relations allowing to
calculate the value of the gravity field depends on the place altitude, not on the
one's Longitude.