1. Potential of UT1–UTC transfer to the Galileo constellation using onboard VLBI transmitters

   • Hakan Sert
   • Urs Hugentobler
   • Véronique Dehant

   Original Article 19 October 2022 Article: 83

   

2. Total M_split estimation

   • Zbigniew Wiśniewski

   Original Article Open access 18 October 2022 Article: 82

   

3. Multi-GNSS global ionosphere modeling enhanced by virtual observation stations based on IRI-2016 model

   • Xulei Jin
   • Shuli Song
   • Na Cheng

   Original Article Open access 18 October 2022 Article: 81

   

4. Combination of different observation types through a multi-resolution representation of the regional gravity field using the pyramid algorithm and parameter estimation

   • Qing Liu
   • Michael Schmidt
   • Laura Sánchez

   Original Article Open access 18 October 2022 Article: 80

   

5. A composite stochastic model considering the terrain topography for real-time GNSS monitoring in canyon environments

   • Zhetao Zhang
   • Yuan Li
   • Bofeng Li

   Original Article 18 October 2022 Article: 79

   

6. 3D-mapping-aided PPP-RTK aiming at deep urban canyons

   • Shaoming Xin
   • Jianghui Geng
   • Li-Ta Hsu

   Original Article 15 October 2022 Article: 78

   

7. Pseudolite system-augmented GNSS real-time kinematic PPP

   • Caoming Fan
   • Zheng Yao
   • Jianping Xing

   Original Article 15 October 2022 Article: 77

   

8. IAG Newsletter

   • Gyula Tóth

   IAG Newsletter 15 October 2022 Article: 76

   

9. Feasibility of a global inversion for spatially resolved glacial isostatic adjustment and ice sheet mass changes proven in simulation experiments

   • Matthias O. Willen
   • Martin Horwath
   • Jürgen Kusche

   Original Article Open access 10 October 2022 Article: 75

   

10. Modeling of vertical gravity gradient by normal gravity field and digital terrain models

    • Oleg Odalovic
    • Klemen Medved
    • Sofija Naod

    Original Article 07 October 2022 Article: 74

    

11. Real-time precise orbit and clock estimation of multi-GNSS satellites with undifferenced ambiguity resolution

    • Xiaolei Dai
    • Xiaopeng Gong
    • Yidong Lou

    Original Article 27 September 2022 Article: 73

    

12. Android multi-GNSS ambiguity resolution in the case of receiver channel-dependent phase biases

    • Guangcai Li
    • Jianghui Geng

    Original Article 27 September 2022 Article: 72

    

13. Modelling and prediction of GNSS time series using GBDT, LSTM and SVM machine learning approaches

    • Wenzong Gao
    • Zhao Li
    • Yanming Feng

    Original Article Open access 27 September 2022 Article: 71

    

14. A simplified gravitational reference sensor for satellite geodesy

    • Anthony Dávila Álvarez
    • Aaron Knudtson
    • John W. Conklin

    Original Article 27 September 2022 Article: 70

    

15. Efficient computation of gravitational effects and curvatures for a spherical zonal band discretized using tesseroids

    • Xiao-Le Deng

    Original Article 27 September 2022 Article: 69

    

16. Spherical harmonic synthesis of area-mean potential values on irregular surfaces

    • Blažej Bucha

    Original Article 27 September 2022 Article: 68

    

17. The Australian mixed-mode observing program

    • Lucia McCallum
    • Lim Chin Chuan
    • Axl Rogers

    Original Article Open access 27 September 2022 Article: 67

    

18. Cartesian to geodetic coordinates conversion on a triaxial ellipsoid using the bisection method

    • Georgios Panou
    • Romylos Korakitis

    Original Article 27 September 2022 Article: 66

    

19. PPP rapid ambiguity resolution using Android GNSS raw measurements with a low-cost helical antenna

    • Xingxing Li
    • Hao Wang
    • Hailong Gou

    Original Article 27 September 2022 Article: 65