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What is the point where the azimuth orginates?

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## Related Questions

###### Asked in Math and Arithmetic, Topology

### What is azimuth degrees?

An azimuth is defined as a horizontal angle measured clockwise
from a north base line. This north base line could be true north,
magnetic north, or grid north. The azimuth is the most common
military method to express direction. When using an azimuth, the
point from which the azimuth originates is the center of an
imaginary circle . This circle is divided into 360 degrees or 6400
mils . NORTH IS 0/360 AZIMUTH EAST IS 90. SOUTH IS 180. WEST IS
270.

###### Asked in Math and Arithmetic

### What is the back azimuth of 223 degrees?

As the request is for the back azimuth, then what is wanted is
the reverse (or inverse) of the azimuth, 223 degrees. In other
words, an object moved in the direction of 223 degrees (Southwest
relatively), but now the desire is to reverse the travel in order
to arrive at the starting point. (That starting point would have to
be Northeast relatively.)
One does not typically work with directions exceeding 360
degrees nor less than 0 degrees as that range is the range of a
compass. Therefore, the back azimuth of 223 degrees, whatever it
is, must be between zero and 360 degrees.
To determine the back azimuth all that is necessary is the
knowledge that 1) the back azimuth is the opposite direction of the
azimuth and 2) 180 degrees either added or subtracted will yield
the back azimuth, and 3) the correct back azimuth must be in the
range of zero to 360 degrees.
Given this knowledge and the variable definitions Ab = Back
Azimuth and A = Azimuth,
Ab = A + 180
or
Ab = A - 180
But which equation yields the correct back azimuth?
Using knowledge point #3 above, the correct result will be the
one that is between zero and 360 degrees. Therefore,
Ab = A - 180 = 223 - 180 = 43 degrees
is the correct back azimuth.
The other choice, Ab = A + 180 = 223 + 180 = 403 degrees,
exceeds the range of the compass, so 403 degrees cannot be the
correct back azimuth.

###### Asked in Math and Arithmetic, Geometry

### Azimuth angle of 150 degree?

"Azimuth and Elevation" is a way of locating a geostationary satellite in the sky, based on your latitude & longitude. For the Seattle, Washington area, for example, the basic bird for Dish Network installs is at Azimuth 150, Elevation 34. So to locate the point in the sky where the bird is, you start with a compass heading of 150 degrees (which is 30 degrees East of due South) and then point up 34 degrees above the horizon.