Analysis of web-based online services for GPS relative and precise point positioning techniques

T Ocalan, B Erdogan, N Tunalioglu - Boletim de ciencias geodesicas, 2013 - SciELO Brasil
Nowadays, Global Positioning System (GPS) has been used effectively in several
engineering applications for the survey purposes by multiple disciplines. Web-based online …

Accuracy assessment of UAV-post-processing kinematic (PPK) and UAV-traditional (with ground control points) georeferencing methods

T Türk, N Tunalioglu, B Erdogan, T Ocalan… - Environmental …, 2022 - Springer
The use of unmanned aerial vehicles (UAV) in photogrammetric mapping/surveying facilities
has increased recently due to the developments on photogrammetric instruments and …

Performance analysis of Real Time PPP for transit of Mercury

B Erdogan, F Karlitepe, T Ocalan, N Tunalioglu - Measurement, 2018 - Elsevier
Abstract In recent years, Precise Point Positioning (PPP) techniques, which are alternative to
relative positioning techniques, have begun to be widely used in Global Navigation Satellite …

Metaheuristic-based stochastic models for GNSS relative positioning planning

IÉ Koch, I Klein, L Gonzaga Jr, VF Rofatto… - GPS Solutions, 2024 - Springer
A priori variance–covariance matrix (VCM) estimation of global navigation satellite systems
(GNSS) double difference observations in relative positioning is challenging. Existing …

[PDF][PDF] Closely-coupled integration of Locata and GPS for engineering applications

LK Bonenberg - 2014 - academia.edu
GPS has become an almost indispensable part of our infrastructure and modern life. Yet
because its accuracy, reliability, and integrity depend on the number and geometric …

GNSS vector quality modelling combining Isolation Forest and Independent Vortices Search

IÉ Koch, I Klein, L Gonzaga Jr, VF Rofatto… - Measurement, 2022 - Elsevier
Estimating the quality of GNSS vectors is decisive in planning GNSS networks and in
several land surveying activities. These vectors are indirectly present in many civil …

Çoklu-GNSS çözümlerinin performansının internet tabanlı Trimble RTX servisi ile incelenmesi

G Sezer, AH Doğan, B Erdoğan - Jeodezi ve Jeoinformasyon …, 2021 - dergipark.org.tr
Günümüzde jeodezik amaçlı yapılan çalışmaların birçoğunda Küresel Konumlama ve Uydu
Sistemleri'ne (Global Navigation Satellite System, GNSS) ait veriler kullanılmaktadır. GNSS …

Scaling of the variance covariance matrix obtained from Bernese software

B Erdogan, AH Dogan - Acta Geodaetica et Geophysica, 2019 - Springer
Global positioning system (GPS) refers positioning, timing and navigation services for
different engineering applications. GPS positioning accuracies vary depending on the …

[PDF][PDF] Analysis of GNSS accuracy of relative positioning and precise positioning based on online service

IA Kandil, MEMA Awaad - International Journal of Scientific …, 2017 - academia.edu
Recently, Global Positioning System (GPS) has been used widely in various engineering
fields especially for survey works by different users. The online services which established …

Identifying the relationship between GPS data quality and positioning precision: Case study on IGS tracking stations

TK Yeh, YD Chung, CT Wu, CS Wang… - Journal of Surveying …, 2012 - ascelibrary.org
The number of global positioning system (GPS) tracking stations is increasing, primarily
because the stations are multifunctional. In civil engineering, they can be used for precision …