A DOD Glossary of Mapping, Charting and Geodetic Terms1967 - Cartography - 243 pages |
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Page 1
... ( traverse ) Subsidiary stations established between principal stations of a survey traverse , for convenience of measur- ing , to obtain the distance between principal stations . A - stations are so - called because in a given series ...
... ( traverse ) Subsidiary stations established between principal stations of a survey traverse , for convenience of measur- ing , to obtain the distance between principal stations . A - stations are so - called because in a given series ...
Page 8
... traverse angle ; vertical angle ; zenith distance . angle equation - A condition equation which ex- presses the relationship between the sum of the measured angles of a closed figure and the theoretical value of that sum , the un ...
... traverse angle ; vertical angle ; zenith distance . angle equation - A condition equation which ex- presses the relationship between the sum of the measured angles of a closed figure and the theoretical value of that sum , the un ...
Page 9
... traverse - In surveying , a tech- nique applicable to either open or closed traverses , wherein all angles are measured in a clockwise direction after the transit has been oriented by a backsight to the preceding station . angular ...
... traverse - In surveying , a tech- nique applicable to either open or closed traverses , wherein all angles are measured in a clockwise direction after the transit has been oriented by a backsight to the preceding station . angular ...
Page 17
... traverse - A survey traverse in which the geographic positions of the sta- tions are obtained from astronomical obser- vations , and lengths and azimuths of lines are obtained by computation . astronomical triangle - The triangle on the ...
... traverse - A survey traverse in which the geographic positions of the sta- tions are obtained from astronomical obser- vations , and lengths and azimuths of lines are obtained by computation . astronomical triangle - The triangle on the ...
Page 18
... traverse computer - An instrument which , by mechanical linkages and gears , con- verts courses into latitudes and departures . It also mechanically totals the algebraic sum of the latitudes and departures . auto - reducing tachymeter ...
... traverse computer - An instrument which , by mechanical linkages and gears , con- verts courses into latitudes and departures . It also mechanically totals the algebraic sum of the latitudes and departures . auto - reducing tachymeter ...
Common terms and phrases
adjustment aerial photographs altitude angle angular astronomical axis azimuth base called camera celestial body celestial equator celestial sphere chart-A chart circle computed conformal map contour coordinates corner correction curve datum determined difference direction distance earth ecliptic elevation ellipsoid fictitious focal geodesy geodetic geographic geoid graph graphic gravity grid ground high water horizontal hour angle instrument intersection latitude length lens longitude low water magnetic map or chart map projection map-A map mean measured ment Mercator meridian method moon negative object oblique observed optical orbit parallax parallel pendulum perpendicular photogrammetric plane plate polar pole position prime vertical radar radial reference refraction rhumb line rotation satellite scale sextant solar spheroid spirit level station stereoplotter stereoscopic strip surface survey survey-A tangent tape target telescope templet term theodolite tidal tide tion topographic transit transverse traverse triangulation USPLS usually vernal equinox vertical zenith
Popular passages
Page 42 - Every particle of matter, in the universe, attracts every other particle with a force, which is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
Page 107 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Page 127 - The average height of the surface of a river at any point for all stages of the tide over a 19-year period usually determined from hourly height readings.
Page 132 - M) — A tendency to cause rotation about a point or axis, as of a control surface about its hinge or of an airplane about its center of gravity; the measure of this tendency, equal to the product of the force and the perpendicular distance between the point of axis of rotation and the line of action of the force. Moment of Inertia...
Page 82 - ... geodetic meridian. A line connecting points of equal geodetic longitude. Also called geographic meridian. See astronomical meridian. geodetic parallel. A line connecting points of equal geodetic latitude. Also called geographic parallel. See astronomical parallel. geodetic position. A position of a point on the surface of the earth expressed in terms of geodetic latitude and geodetic longitude. A geodetic position implies an adopted geodetic datum, which must be stated for a complete record of...
Page 173 - A basic subdivision of an antenna which in itself is capable of radiating or receiving radiofrequency energy. radiation. 1. The process by which electromagnetic energy is propagated through free space by virtue of joint undulatory variations in the electric and magnetic fields in space.
Page 101 - Their wave lengths are longer than those of visible light and shorter than those of radio waves.
Page 129 - Local mean time at the Greenwich meridian; the arc of the celestial equator, or the angle at the celestial pole, between the lower branch of the Greenwich celestial meridian and the hour circle of the...
Page 133 - ... (photogrammetry) An assembly of overlapping aerial photographs whose edges usually have been torn, or cut, and matched to form a continuous photographic representation of a portion of the earth's surface.
Page 123 - See culture. manuscript— The original drawing of a map as compiled or constructed from various data, such as ground surveys and photographs. See also multi-use manuscript (MUM).