Pointing Information Courtesy: Satellite Solutions, Silver City, NM
Azimuth is defined as:
The angular distance (side to side) from true north, along the horizon, to the DBS satellite, measured in degrees.
Elevation is defined as:
The angular distance (up and down) of a satellite above the horizon.
Dish Skew or Tilt is defined as:
the tilt of the Dish on its center axis, is used on multi-LNB dishes.
Magnetic Declination for Silver City = 9° 48' E changing by 0° 6' W/year (July 1, 2009)
Declination Info from NOAA.
If the mounting pole/arm is not perfectly vertical and plumb, the calculated numbers will be of little use for initial setup. Use of a conventional compass requires use of the calculated number that has already been corrected for magnetic deviation (relative to magnetic north).