. Criteria for the classification of hydrographic positioning Oceanography. RIGHT. LEFT LA Figure Gecmetry of a Range-Bange Position 2 • Hyperbolic-Hyperbolic Hydrographic positioning by hyperbolic-hyperbolic geometry utilizes the intersection of two hyperbolas each generated about a pair of shore control stations. A hyper- bola is the locus of points in which the difference cf distance from two fixed points is always constant. A three- station hyperbolic net is the most commonly used hypertclic mode for offshore survey (Fig. ). One family of hyper- bolas (Red) are generated abou
. Criteria for the classification of hydrographic positioning Oceanography. RIGHT. LEFT LA Figure Gecmetry of a Range-Bange Position 2 • Hyperbolic-Hyperbolic Hydrographic positioning by hyperbolic-hyperbolic geometry utilizes the intersection of two hyperbolas each generated about a pair of shore control stations. A hyper- bola is the locus of points in which the difference cf distance from two fixed points is always constant. A three- station hyperbolic net is the most commonly used hypertclic mode for offshore survey (Fig. ). One family of hyper- bolas (Red) are generated about a master station, M, and a slave, 3; while a second family of hyperbolas (Green) are generated with respect to the master and a second slave, G. For the first family cf hyperbolas, the control points K and E act as the foci, while points H and G act as the feci fcr the second family. 17. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Perugini, Nicholas Monterey, California: U. S. Naval Postgraduate School
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