Adaptive Kalman filter based on variance component estimation for the prediction of ionospheric delay in aiding the cycle slip repair of GNSS triple-frequency signals Guobin ChangTianhe XuQianxin Wang Original Article 24 January 2018 Pages: 1241 - 1253
Tridimensional reconstruction of the Co-Seismic Ionospheric Disturbance around the time of 2015 Nepal earthquake Jian KongYibin YaoLei Liu Original Article 27 January 2018 Pages: 1255 - 1266
Real-Time Precise Point Positioning (RTPPP) with raw observations and its application in real-time regional ionospheric VTEC modeling Teng LiuBaocheng ZhangMin Li Original Article 29 January 2018 Pages: 1267 - 1283
Parameter estimation in 3D affine and similarity transformation: implementation of variance component estimation A. R. Amiri-Simkooei Original Article 31 January 2018 Pages: 1285 - 1297
A Terrestrial Reference Frame realised on the observation level using a GPS-LEO satellite constellation Daniel Koenig Original Article 27 February 2018 Pages: 1299 - 1312
Combination of GRACE monthly gravity field solutions from different processing strategies Yoomin JeanUlrich MeyerAdrian Jäggi Original Article Open access 27 February 2018 Pages: 1313 - 1328
Simultaneous estimation of cross-validation errors in least squares collocation applied for statistical testing and evaluation of the noise variance components Behzad BehnabianMasoud Mashhadi HossainaliAhad Malekzadeh Review 26 February 2018 Pages: 1329 - 1350