Research Concepts RC1500 - Manual (Page 40)

Appendix A
RC1500B Quick Start Guide 40
Definitions
Pointing Solution – Provides the user with the Elevation and Heading to point at
the satellite so that the user can verify that there are no obstructions in the
antenna’s bore sight.
Elevation – The number of degrees above horizontal (0˚) in order to point at
the given satellite.
True Heading – The heading relative to true north.
Magnetic Heading – The heading relative to magnetic north.
Magnetic Variation – The angle between magnetic north and true north. The
magnetic variation is considered positive east of true north and is considered
negative west of true north.
Mount Setup – The setup data of the antenna required in order to point to the
desired satellite.
Mount Latitude Angle – The amount of tilt at the latitude angle pivot point
that is approximately equal to the antenna’s latitudinal position on the Earth.
RF – The angle of the antenna bore sight above horizontal (0˚) that is
required to point at the desired satellite when the hour angle is positioned at
0˚.
Mechanical –The angle that can be measured on the back-structure of the
antenna to point the antenna to the correct RF angle for the desired satellite
when the hour angle is positioned at 0˚ (requires that the Mount Latitude
Angle is already set).
Mount Hour Angle – The amount of tilt at the Hour Angle pivot required to
point to the desired satellite.