Multipath extraction and mitigation for static relative positioning based on adaptive layer wavelet packets, bootstrapped searches and CNR constraints Mingkun SuYanxi YangJiansheng Zheng Original Article 02 July 2021 Article: 123
A deep fading assessment of the modernized L2C and L5 signals for low-latitude regions Lucas A. SallesAlison MoraesJoão F Galera Monico Original Article 28 June 2021 Article: 122
Spatio-temporal analysis of TEC during solar activity periods using support vector machine Mir Reza Ghaffari RazinAmir Reza MoradiSamed Inyurt Original Article 26 June 2021 Article: 121
A new fuzzy strong tracking cubature Kalman filter for INS/GNSS Yuanzhi ChangYongqing WangChunguo Ji Original Article 26 June 2021 Article: 120
Multipath mitigation in GNSS precise point positioning based on trend-surface analysis and multipath hemispherical map Ran LuWen ChenChao Yu Original Article 24 June 2021 Article: 119
Modified atmospheric pressure extrapolation model using ERA5 for geodetic applications Hang SuTao YangXuhai Yang Original Article 23 June 2021 Article: 118
Local ionospheric plasma bubble revealed by BDS Geostationary Earth Orbit satellite observations Xiaomin LuoYidong LouZhengyu Zhao Original Article 22 June 2021 Article: 117
Feasibility of easy-to-implement methods to analyze systematic errors of multipath, differential code bias, and inter-system bias for low-cost receivers Zhetao ZhangHaijun YuanShuzhao Gao Original Article 21 June 2021 Article: 116
Machine learning-based approach to GPS antijamming Cheng-Zhen WangLing-Wei KongYing-Cheng Lai Original Article 19 June 2021 Article: 115
Correction to: On the possibility of getting traceable time and frequency measurements via GNSS receivers Andreas BauchDirk PiesterEgle Staliuniene Correction Open access 18 June 2021 Article: 114
Characteristics of receiver-related biases between BDS-3 and BDS-2 for five frequencies including inter-system biases, differential code biases, and differential phase biases Xiaolong MiChuanzhen ShengBaocheng Zhang Original Article Open access 16 June 2021 Article: 113
Statistical characterization of the signal-in-space errors of the BDS: a comparison between BDS-2 and BDS-3 Guo ChenRenyu ZhouQile Zhao Original Article 13 June 2021 Article: 112
Distribution of clock correction and ephemeris parameters in broadcast navigation messages Ivan LapinJaron SamsonMikael Mabilleau Original Article Open access 11 June 2021 Article: 111
Estimation of absolute GNSS satellite antenna group delay variations based on those of absolute receiver antenna group delays Susanne BeerLambert WanningerAnja Heßelbarth Original Article Open access 09 June 2021 Article: 110
Tropical cyclone-induced periodical positioning disturbances during the 2017 Hato in the Hong Kong region Shiwei YuZhizhao Liu Original Article 05 June 2021 Article: 109
GINav: a MATLAB-based software for the data processing and analysis of a GNSS/INS integrated navigation system Kai ChenGuobin ChangChao Chen GPS Toolbox 04 June 2021 Article: 108
Multi-constellation GNSS PPP instantaneous ambiguity resolution with precise atmospheric corrections augmentation Xingxing LiJiaxin HuangWeiliang Xie Original Article 01 June 2021 Article: 107
GPS satellite clock estimation using global atomic clock network Jian YaoSungpil YoonMark Schenewerk Original Article 31 May 2021 Article: 106
Design of a high-stability heterogeneous clock system for small satellites in LEO Damon Van BurenPenina AxelradScott Palo Original Article Open access 22 May 2021 Article: 105
Correction to: Monitoring and prediction of hurricane tracks using GPS tropospheric products Yohannes Getachew EjiguFelix Norman TeferleAddisu Hunegnaw Correction 20 May 2021 Article: 104
Validation of GNSS-derived global ionosphere maps for different solar activity levels: case studies for years 2014 and 2018 P. WielgoszB. MilanowskaW. Jarmołowski Original Article Open access 16 May 2021 Article: 103
PPP with integer ambiguity resolution for GPS and Galileo using satellite products from different analysis centers Marcus GlanerRobert Weber Original Article Open access 13 May 2021 Article: 102
Effect of ambiguity resolution on the draconitic errors in sub-daily GPS position estimates Shiwei GuoChuang ShiDi Zhang Original Article 13 May 2021 Article: 101
Estimation and analysis of multi-GNSS observable-specific code biases Yuanfan DengFei GuoXiaohong Zhang Original Article 08 May 2021 Article: 100
An effective interpolation strategy for mitigating the day boundary discontinuities of precise GNSS orbit products Chuanfeng SongHua ChenWudong Li Original Article 07 May 2021 Article: 99
A global grid model for the correction of the vertical zenith total delay based on a sliding window algorithm Liangke HuangGe ZhuWeiping Jiang Original Article 30 April 2021 Article: 98
BeiDou Global Ionospheric delay correction Model (BDGIM): performance analysis during different levels of solar conditions Ningbo WangZishen LiXingliang Huo Original Article 28 April 2021 Article: 97
GLONASS–only FDMA+CDMA RTK: Performance and outlook Safoora ZaminpardazPeter J. G. TeunissenAmir Khodabandeh Original Article Open access 27 April 2021 Article: 96
Precise orbit determination of BDS-3 satellites using B1C and B2a dual-frequency measurements Ran LiNingbo WangHongyang Ma Original Article 25 April 2021 Article: 95
A pulsed-Laser Rb atomic frequency standard for GNSS applications S. MicalizioF. LeviA. Godone Original Article Open access 23 April 2021 Article: 94
Complementing regional ground GNSS-STEC computerized ionospheric tomography (CIT) with ionosonde data assimilation Nicholas SsessangaMamoru YamamotoMichi Nishioka Original Article Open access 21 April 2021 Article: 93
A GPS signal acquisition algorithm for the high orbit space Kewen LuXinlong WangDing Chen Original Article 19 April 2021 Article: 92
Code multipath error extraction based on the wavelet and empirical mode decomposition for Android smart devices Wanqing LiXiangwei ZhuChengxin Ran Original Article 19 April 2021 Article: 91
Carrier Doppler-based initial alignment for MEMS IMU/GNSS integrated system under low satellite visibility Yimin WeiHong LiMingquan Lu Original Article 19 April 2021 Article: 90
Identifying the sensitivity of GPS to non-tidal loadings at various time resolutions: examining vertical displacements from continental Eurasia Anna KlosHenryk DobslawJanusz Bogusz Original Article Open access 17 April 2021 Article: 89
Sparse representation of tropospheric grid data using compressed sensing Gongwei XiaoGenyou LiuMing Gao Original Article 15 April 2021 Article: 88
Refined seismic-ionospheric effects: case study of Mw 8.2 Chiapas earthquake on September 7, 2017 Kunpeng ShiHao DingTeng Yu Original Article 15 April 2021 Article: 87
SUPREME: an open-source single-frequency uncombined precise point positioning software Chuanbao ZhaoBaocheng ZhangXiao Zhang GPS Toolbox 15 April 2021 Article: 86
JUST: MATLAB and python software for change detection and time series analysis Ebrahim Ghaderpour GPS Toolbox 09 April 2021 Article: 85
A multi-layer perceptron neural network to mitigate the interference of time synchronization attacks in stationary GPS receivers N. OroujiM. R. Mosavi Original Article 05 April 2021 Article: 84
Optical clock technologies for global navigation satellite systems Thilo SchuldtMartin GohlkeClaus Braxmaier Original Article Open access 05 April 2021 Article: 83
Enhanced fault detection and exclusion based on Kalman filter with colored measurement noise and application to RTK Yuting GaoYang GaoYang Jiang Original Article 03 April 2021 Article: 82