A well defined point, easily distinguishable visually on a map and/or by means of radar, used as a starting point for target track.
A point defined by the intersection of a base line and principal meridian. This point is used by surveyors in locating and describing land under the Public Land Survey System.
The point at which a shipment originates.
An accurately surveyed point of reference from which large portions of the PLS are referenced. These points were established in a number of locations across the US as the survey was carded out. All PLS locations are referenced to one of these points.
The starting point for a survey.
The location at which a shipment originates.
On the H-hour control line, the point at which the faker route portion of the exercise begins. abbreviation: IP Fr: point initial