Advanced Surveying, Volume 2 |
Contents
ERRORS ART PAGE 1 Remarks | 1 |
The Probable Error | 3 |
Calculation of the Probable Error | 4 |
Copyright | |
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Common terms and phrases
accuracy accurate adjusted alidade altitude azimuth benchmark bubble camera celestial equator celestial sphere chorobates circuit civil closing error Coast and Geodetic computed contour control points correction cross-hair datum determined difference in elevation direction distance earth's elongation ephemeris formula gage Geodetic Survey geographic coordinates given Greenwich grid ground hence horizontal axis hour angle instrument interval latitude length line of sight located longitude mark means measured meter method observation observer's meridian parallax Photogrammetry photograph plane coordinates plotted plumb line Polaris pole position precision principal point probable error procedure projection Prosser right ascension scale sextant shown in Fig side sidereal standard meridian star station stream sun's surface tape telescope templets tilt tion transit traverse triangle U. S. Coast upper culmination velocity vernal equinox vernier vertical angle Wanda weights weir ΣΔΡ