Fundamentals of the State Plane Coordinate Systems |
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Adjusted Coordinates Adjusted Latitudes applied average elevation AX or AE Azimuth Angle AZIMUTH From south AZIMUTH MARK Azimuths Bearings Bearing Azimuth bearings and azimuths Central Meridian CH S CROSS CITY OF EAU CLAIRE SACRED HEART closures combined factor COMPUTATION BY LATITUDES corrections Cotangent Eau Claire County Eau Claire River EAU CLAIRE SACRED employed example feet above sea Figure 22 Foot ft.AD geodetic azimuths given in Figures grid azimuth GRID DATA grid distances HORIZONTAL CONTROL DATA identical Lambert projection land surveying LATITUDES AND DEPARTURES map projection mapping angle mean elevation MT TOM CofEC National Geodetic Survey NW quadrant obtain Plane Coordinate Systems Preliminary Coordinates Project Datum Coordinates referenced SACRED HEART CH SCALE EXACT scale factor scale ratios scale reduction sea level factor Sine SPCS coordinates Sum of Lengths Tangent theodolite transverse Mercator projection TRAVERSE COMPUTATION USCOMM-DC values Wisconsin X Factor Δα ΔΕ