English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

The aim of this paper is modeling difference of reference surfaces of the Earth's body to solve the problem of vertical positioning. With development of GNSS technology determining geoid undulation obtained scientific and practical significance especially in the vertical position with the aim of replacing the traditional geometrical leveling. The paper presents the modeling corrective surface based on GNSS measurements through a practical example of Local Spatial Reference Network (PLRM) Mrkonjic Grad where the measurements were made with GNSS observations. The modeling was performed onedimensional similarity transformation and the average differences between orthometric height of a GNSS measurements and transformed height were determined

Modeling difference of reference surfaces of the Earth's body to solve the problem of vertical positioning