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The geographical pole in the Southern Hemisphere, at lat. 90°S.

Related Terms

GEOGRAPHICAL POLE

Either of the two points of intersection of the surface of the earth with its axis, where all meridians meet, labeled N or S to indicate whether the north geographical pole or the south geo- graphical pole.

NORTH GEOGRAPHICAL POLE

The geographical pole in the Northern Hemisphere, at lat. 90°N.

PIKE POLE

1. A pole with a sharp metal point in one end that is used to hold utility poles upright while they are being installed. 2. See fire hook.

MAGNETIC BALANCE

1. A device for determining the repulsion or attraction between magnetic poles, in which one magnet is suspended and the forces needed to cancel the effects of bringing a pole of another magnet close to one end are measured. 2. Any device for measuring the small forces involved in determining paramagnetic or diamagnetic susceptibility.

JUNCTION POLE

Pole at the end of a transposition section of an open-wire line or the pole common to two adjacent transposition sections.

JOINT POLE

Pole used in common by two or more utility companies.

GRID NORTH

1. An arbitrary reference direction used with grid navigation. The direction of the 180th geographical meridian from the north pole is used almost universally as grid north. 2. The northerly or zero direction indicated by the grid datum of directional reference.

FLAGSTAFF

A flag pole at stern of a ship.

AZIMUTHAL MAP PROJECTION

A map projection on which the azimuths or directions of all lines radiating from a central point or pole are the same as the azimuths or directions of the corresponding lines on the ellipsoid. This classification includes the gnomonic, stereographic, orthographic, and the azimuthal equidistant map projections. Also called ZENITHAL MAP PROJECTION.

LOWER BRANCH

The half of a meridian or celestial meridian from pole to pole which passes through the antipode or nadir of a place.

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