Towerd Method to Find The Elevations of Points to Creat Digital Elevations Model (DEM) Using Global Positioning System(GPS)
Towerd Method to Find The Elevations of Points to Creat Digital Elevations Model (DEM) Using Global Positioning System(GPS)

Safaa Jassim. Mohammed; Salah Yousif. Abood

Volume 27, Issue 1 , January 2009, , Page 21-25

https://doi.org/10.30684/etj.27.1.18

Abstract
  In this present research mathematical model is built , this model has theability of using global positioning system (G.P.S) to compute the elevations withhigh accuracy to use in mapping ...  Read More ...
Representation Iraqi Map Lambert Conical Conformal Projection with 2 Stranded Parallels
Representation Iraqi Map Lambert Conical Conformal Projection with 2 Stranded Parallels

Safaa Jassim Mohammed

Volume 27, Issue 2 , January 2009, , Page 58-63

https://doi.org/10.30684/etj.27.2.18

Abstract
  This research has computed the rectangular coordinates of points on map of Iraqfrom geographical coordinates by conical conformal projection with two standardparallels ( St1, St2 ) ...  Read More ...