Vol 32 No 1 (2006)

Published: 2020-02-21

Articles

  • Covariation of ionospheric influence in the GPS observations

  • Criterion for comparing the variance component estimation methods used for adjusting horizontal control networks

  • Dependence of the digital terrain model accuracy from the cell size and distances between initial points used for modelling

  • Method of coordinate corrections by establishment the GPS virtual reference stations

  • Investigation of possibilities for astronomical meridian determination by the hour angle of the Sun

  • Review

  • Standardisation in engineering surveys

  • Estimation and improvement of scanned map quality (in basis of Adobe Photoshop)