Development of Latvian national 2nd order leveling network
Abstract
Latvian National First Order Levelling Network consist of 15 polygons and 51 lines and was reestablished in 2011. From 1st of December of year 2014 in Latvia Republic is new Latvian normal height system at epoch 2000,5. Normal heights are widely used in origination and application of geospatial data in civil engineering and quasigeoid computation etc. The main objective of this work is to describe 2nd order leveling network development idea, purpose and process. Essential of work is option, check, used and analyze historical height data, which has all Eastern European countries, and newly measured height data.
Keywords:
vertical network, leveling, State 2nd order leveling networkHow to Cite
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Copyright (c) 2016 The Author(s). Published by Vilnius Gediminas Technical University.
This work is licensed under a Creative Commons Attribution 4.0 International License.
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Copyright (c) 2016 The Author(s). Published by Vilnius Gediminas Technical University.
License
This work is licensed under a Creative Commons Attribution 4.0 International License.