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Bias-constrained integer least squares estimation: distributional properties and applications in GNSS ambiguity resolution J. Geod. (IF 4.4) Pub Date : 2024-05-14 A. Khodabandeh, P. J. G. Teunissen
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Sentinel-6 Michael Freilich precise orbit determination using PODRIX and TriG receiver measurements J. Geod. (IF 4.4) Pub Date : 2024-05-11 Alex Conrad, Penina Axelrad, Shailen Desai, Bruce Haines
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Mitigating the effect of source structure in geodetic VLBI by re-weighting observations using closure delays and baseline-to-jet orientation J. Geod. (IF 4.4) Pub Date : 2024-05-09 Niko Kareinen, Nataliya Zubko, Tuomas Savolainen, Ming Hui Xu, Markku Poutanen
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5G assisted GNSS precise point positioning ambiguity resolution J. Geod. (IF 4.4) Pub Date : 2024-05-09 Fangxin Li, Rui Tu, Pengfei Zhang, Rui Zhang, Lihong Fan, Siyao Wang, Xiaochun Lu
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A novel method for tropospheric delay mapping function vertical modeling J. Geod. (IF 4.4) Pub Date : 2024-05-09 Junsheng Ding, Junping Chen, Jungang Wang, Yize Zhang
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Improved estimates for the linear Molodensky problem J. Geod. (IF 4.4) Pub Date : 2024-05-06 Fernando Sansò, Barbara Betti
The paper deals with the linearized Molodensky problem, when data are supposed to be square integrable on the telluroid S, proving that a solution exists, is unique and is stable in a space of harmonic functions with square integrable gradient on S. A similar theorem has already been proved by Sansò and Venuti (J Geod 82:909–916, 2008). Yet the result basically requires that S should have an inclination
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Anatomy of the spatiotemporally correlated noise in GNSS station position time series J. Geod. (IF 4.4) Pub Date : 2024-04-30 Kevin Gobron, Paul Rebischung, Kristel Chanard, Zuheir Altamimi
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Combining the GPS/Galileo/BDS-3 signals on overlap frequencies for interoperable multipath hemispherical maps J. Geod. (IF 4.4) Pub Date : 2024-04-22 Jianghui Geng, Pengbo Li, Guangcai Li
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GNSS ionospheric integrity monitoring based on RBF-NN: constructing single-epoch snapshot GIVD and GIVE maps J. Geod. (IF 4.4) Pub Date : 2024-04-22 Ling Yang, Yunri Fu, Jincheng Zhu, Yunzhong Shen, Chris Rizos
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Vectorial integer bootstrapping of best integer equivariant estimation (VIB-BIE) for efficient and reliable GNSS ambiguity resolution J. Geod. (IF 4.4) Pub Date : 2024-04-17 Weikai Miao, Bofeng Li, Yang Gao, Guang’e Chen
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Moving mountains: reevaluating the elevations of Colorado mountain summits using modern geodetic techniques J. Geod. (IF 4.4) Pub Date : 2024-04-15 Kevin Ahlgren, Derek van Westrum, Brian Shaw
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Potential of cold-atom airborne gravimetry to improve coastal gravity field and quasigeoid modelling J. Geod. (IF 4.4) Pub Date : 2024-04-13 Dinh Toan Vu, Sylvain Bonvalot, Lucia Seoane, Germinal Gabalda, Dominique Remy, Sean Bruinsma, Yannick Bidel, Alexandre Bresson, Nassim Zahzam, Didier Rouxel, Corinne Salaün, Marie-Françoise Lalancette, René Forsberg, Tim Jensen, Olivier Jamet
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Accounting for residual errors in atmosphere–ocean background models applied in satellite gravimetry J. Geod. (IF 4.4) Pub Date : 2024-04-10 Linus Shihora, Zhijun Liu, Kyriakos Balidakis, Josefine Wilms, Christoph Dahle, Frank Flechtner, Robert Dill, Henryk Dobslaw
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Simulation analysis on resonance and direct approaches for determining free core nutation parameters with celestial pole offsets J. Geod. (IF 4.4) Pub Date : 2024-04-09 Xiaoming Cui, Ning Li, Lizhuo Gong, Weiwei Yang, Jianqiao Xu, Jiangcun Zhou, Mingqiang Hou, Heping Sun
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A refined full-spectrum temperature-induced subsurface thermal expansion model and its contribution to the vertical displacement of global GNSS reference stations J. Geod. (IF 4.4) Pub Date : 2024-04-08 Zhao Li, Ran Lu, Weiping Jiang, Danan Dong, Jintao Lei, Yang Lu, Xin Ding, Kaichun Yang, Hua Chen, Qusen Chen
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RANSAC-based instantaneous real-time kinematic positioning with GNSS triple-frequency signals in urban areas J. Geod. (IF 4.4) Pub Date : 2024-04-06 Qi Cheng, Wu Chen, Rui Sun, Junhui Wang, Duojie Weng
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Global, spatially explicit modelling of zenith wet delay with XGBoost J. Geod. (IF 4.4) Pub Date : 2024-04-05 Laura Crocetti, Matthias Schartner, Florian Zus, Wenyuan Zhang, Gregor Moeller, Vicente Navarro, Linda See, Konrad Schindler, Benedikt Soja
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Assessment of length-of-day and universal time predictions based on the results of the Second Earth Orientation Parameters Prediction Comparison Campaign J. Geod. (IF 4.4) Pub Date : 2024-03-20 Justyna Śliwińska-Bronowicz, Tomasz Kur, Małgorzata Wińska, Henryk Dobslaw, Jolanta Nastula, Aleksander Partyka, Santiago Belda, Christian Bizouard, Dale Boggs, Sara Bruni, Lue Chen, Mike Chin, Sujata Dhar, Robert Dill, Jose Manuel Ferrandiz, Junyang Gou, Richard Gross, Sonia Guessoum, Songtao Han, Robert Heinkelmann, Christopher Irrgang, Mostafa Kiani Shahvandi, Jia Li, Marcin Ligas, Lintao Liu, Weitao
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Factor graph-based PPP-RTK for accurate and robust positioning in urban environments J. Geod. (IF 4.4) Pub Date : 2024-03-18 Xin Li, Xingxing Li, Xuanbin Wang, Hanyu Chang, Yuxuan Tan, Zhiheng Shen
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Correcting flawed orbits with significant along-track offset in LOLA data to remove apparent noise in DEM J. Geod. (IF 4.4) Pub Date : 2024-03-16 Yingjun Zheng, Weifeng Hao, Mao Ye, Wensong Zhang, Yihao Chen, Jean-Pierre Barriot, Fei Li
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A complete closed-form method for transformation from Cartesian to geodetic coordinates J. Geod. (IF 4.4) Pub Date : 2024-03-05 Wei Quan, Jianjun Zhang
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Modeling trends and periodic components in geodetic time series: a unified approach J. Geod. (IF 4.4) Pub Date : 2024-03-04 Gaël Kermarrec, Federico Maddanu, Anna Klos, Tommaso Proietti, Janusz Bogusz
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Triangulation of the Earth’s surface and its application to the geodetic velocity field modelling J. Geod. (IF 4.4) Pub Date : 2024-02-23 Sandi Berk
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Multi-epoch PPP-RTK corrections: temporal characteristics, pitfalls and user-impact J. Geod. (IF 4.4) Pub Date : 2024-02-19 D. Psychas, A. Khodabandeh, P. J. G. Teunissen
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A novel ionospheric TEC mapping function with azimuth parameters and its application to the Chinese region J. Geod. (IF 4.4) Pub Date : 2024-02-12 Xingliang Huo, Yuanliang Long, Haojie Liu, Yunbin Yuan, Qi Liu, Ying Li, Mingming Liu, Yanwen Liu, Weihong Sun
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A unified model of multi-GNSS and multi‑frequency precise point positioning for the joint estimation of ionospheric TEC and time-varying receiver code bias J. Geod. (IF 4.4) Pub Date : 2024-02-07 Min Li, Jiuping Zha, Yunbin Yuan, Teng Liu, Xiao Zhang, Chuanbao Zhao
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Minimum-entropy velocity estimation from GPS position time series J. Geod. (IF 4.4) Pub Date : 2024-02-02 Jarir Saleh, Richard A. Bennett, Simon D. P. Williams
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Reconstruction of global ionospheric TEC maps from IRI-2020 model based on deep learning method J. Geod. (IF 4.4) Pub Date : 2024-02-01 Xin Gao, Yibin Yao, Yang Wang
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The miniSLR: a low-budget, high-performance satellite laser ranging ground station J. Geod. (IF 4.4) Pub Date : 2024-01-29 Daniel Hampf, Felicitas Niebler, Tristan Meyer, Wolfgang Riede
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An improved equation of latitude and a global system of graticule distance coordinates J. Geod. (IF 4.4) Pub Date : 2024-01-08 Geoffrey Blewitt
Two innovations are presented for coordinate time-series computation. First, an improved solution is given to a century-old problem, that is the non-iterative computation of conventional geodetic (CG: latitude, longitude, height) coordinates from geocentric Cartesian (GC: x, y, z) coordinates. The accuracy is 1 nm for heights < 500 km and < 10−15 rad for latitude at any point, terrestrial or outer
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Multi-constellation GNSS interferometric reflectometry for tidal analysis: mitigations for K1 and K2 biases due to GPS geometrical errors J. Geod. (IF 4.4) Pub Date : 2024-01-02 Dongju Peng, Yunung Nina Lin, Jui-Chi Lee, Hsuan-Han Su, Emma M. Hill
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Geodesics on an arbitrary ellipsoid of revolution J. Geod. (IF 4.4) Pub Date : 2023-12-30 Charles F. F. Karney
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An iterative and shrinking generalized ridge regression for ill-conditioned geodetic observation equations J. Geod. (IF 4.4) Pub Date : 2023-12-29 Yangkang Yu, Ling Yang, Yunzhong Shen, Wei Wang, Bofeng Li, Qiujie Chen
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Manufacturer calibrations of GPS transmit antenna phase patterns: a critical review J. Geod. (IF 4.4) Pub Date : 2023-12-27 Oliver Montenbruck, Peter Steigenberger, Torsten Mayer-Gürr
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Monitoring urban heat island intensity based on GNSS tomography technique J. Geod. (IF 4.4) Pub Date : 2023-12-19 Pengfei Xia, Wei Peng, Peng Yuan, Shirong Ye
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Validation of global ionospheric models using long-term observations of pulsar Faraday rotation with the LOFAR radio telescope J. Geod. (IF 4.4) Pub Date : 2023-12-13 Nataliya K. Porayko, Maaijke Mevius, Manuel Hernández-Pajares, Caterina Tiburzi, German Olivares Pulido, Qi Liu, Joris P. W. Verbiest, Jörn Künsemöller, Moochickal Ambalappat Krishnakumar, Ann-Sofie Bak Nielsen, Marcus Brüggen, Victoria Graffigna, Ralf-Jürgen Dettmar, Michael Kramer, Stefan Osłowski, Dominik J. Schwarz, Golam M. Shaifullah, Olaf Wucknitz
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Sequential GNSS-Acoustic seafloor point positioning with modeling of sound speed variation J. Geod. (IF 4.4) Pub Date : 2023-12-12 Yang Liu, Menghao Li, Yanxiong Liu, Guanxu Chen, Qiuhua Tang, Yikai Feng, Yuanlan Wen
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High-resolution sub-canopy topography mapping via TanDEM-X DEM combined with future P-band BIOMASS PolInSAR data J. Geod. (IF 4.4) Pub Date : 2023-12-09 Jianjun Zhu, Zhiwei Liu, Haiqiang Fu, Cui Zhou, Yi Zhou, Huiqiang Wang, Yanzhou Xie
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A note on the topographic bias of a right circular cylinder and a cone J. Geod. (IF 4.4) Pub Date : 2023-12-08 Yan Ming Wang
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Real-time GNSS tropospheric delay estimation with a novel global random walk processing noise model (GRM) J. Geod. (IF 4.4) Pub Date : 2023-12-07 Zhilu Wu, Cuixian Lu, Yuxuan Tan, Yuxin Zheng, Yang Liu, Yanxiong Liu, Ke Jin
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Towards the tropospheric ties in the GPS, DORIS, and VLBI combination analysis during CONT14 J. Geod. (IF 4.4) Pub Date : 2023-12-04 Changyong He, Arnaud Pollet, David Coulot, Vladimir Schott-Guilmault, Felix Perosanz
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Offsets in tide-gauge reference levels detected by satellite altimetry: ten case studies J. Geod. (IF 4.4) Pub Date : 2023-12-03 R. D. Ray, M. J. Widlansky, A. S. Genz, P. R. Thompson
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Kalman filter-based integration of GNSS and InSAR observations for local nonlinear strong deformations J. Geod. (IF 4.4) Pub Date : 2023-12-01 Damian Tondaś, Maya Ilieva, Freek van Leijen, Hans van der Marel, Witold Rohm
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Estimation of GPS-observed ocean tide loading displacements with an improved harmonic analysis in the northwest European shelf J. Geod. (IF 4.4) Pub Date : 2023-11-24 Hao Wang , Na Wei, Min Li, Shin-Chan Han, Rongxin Fang, Qile Zhao
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Terrestrial reference frames and their internal accuracy at coordinate system level J. Geod. (IF 4.4) Pub Date : 2023-11-20 Christopher Kotsakis, Miltiadis Chatzinikos
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On the harmonic correction in the gravity field determination J. Geod. (IF 4.4) Pub Date : 2023-11-20 Meng Yang, Xiaopeng Li, Miao Lin, Xiao-Le Deng, Wei Feng, Min Zhong, C. K. Shum, Daniel R. Roman
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Realization and validation of GLONASS triple-frequency PPP ambiguity resolution with new CDMA L3 signals J. Geod. (IF 4.4) Pub Date : 2023-11-19 Fan Zhang, Hongzhou Chai, Xin Li, Min Wang, Zhenqiang Du, Xu Feng, Qin Wu, Qiankun Zhang
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An improved Molodensky-type modification of the Stokes formula and reduced bias in the spectral combination and variance-minimizing ULSM J. Geod. (IF 4.4) Pub Date : 2023-11-15 Linshan Zhong, Qiong Wu
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Spherical harmonic coefficients of isotropic polynomial functions with applications to gravity field modeling J. Geod. (IF 4.4) Pub Date : 2023-11-15 Dimitrios Piretzidis, Christopher Kotsakis, Stelios P. Mertikas, Michael G. Sideris
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Digital terrain, surface, and canopy height model generation with dual-baseline low-frequency InSAR over forest areas J. Geod. (IF 4.4) Pub Date : 2023-11-13 Jianjun Zhu, Yanzhou Xie, Haiqiang Fu, Changcheng Wang, Huiqiang Wang, Zhiwei Liu, Qinghua Xie
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Comments and corrections to: “Ellipsoidal spectral properties of the Earth’s gravitational potential and its first and second derivatives” by Bölling and Grafarend (2005) in J. Geod. 79(6-7):300-330 J. Geod. (IF 4.4) Pub Date : 2023-11-14 Michal Šprlák
In this contribution, we comment on and thoroughly identify errors which occur in the research article titled “Ellipsoidal spectral properties of the Earth’s gravitational potential and its first and second derivatives” by Bölling and Grafarend (2005) published in J.Geod. 79(6-7):300-330. The major issues affecting the main theoretical results by Bölling and Grafarend (J Geod 79(6-7):300-330, 2005)
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Multi-GNSS ultra-rapid orbit determination through epoch-parallel processing J. Geod. (IF 4.4) Pub Date : 2023-11-04 Longjiang Tang, Jungang Wang, Huizhong Zhu, Maorong Ge, Aigong Xu, Harald Schuh
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GNSS visibility and performance implications for the GENESIS mission J. Geod. (IF 4.4) Pub Date : 2023-10-31 Oliver Montenbruck, Peter Steigenberger, Steffen Thoelert, Daniel Arnold, Grzegorz Bury
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On the importance of accurate pole and station coordinates for VLBI Intensive baselines J. Geod. (IF 4.4) Pub Date : 2023-11-01 Lisa Kern, Matthias Schartner, Johannes Böhm, Sigrid Böhm, Axel Nothnagel, Benedikt Soja