Ionosphere response to three extreme events occurring near spring equinox in 2012, 2013 and 2015, observed by regional GNSS-TEC model Anna Krypiak-Gregorczyk Original Article Open access 15 November 2018 Pages: 931 - 951
Modeling the VLBI delay for Earth satellites Frédéric JaronAxel Nothnagel Original Article 20 November 2018 Pages: 953 - 961
Multi-GNSS real-time clock estimation using sequential least square adjustment with online quality control Wenju FuGuanwen HuangHarald Schuh Original Article 22 November 2018 Pages: 963 - 976
Toward global instantaneous decimeter-level positioning using tightly coupled multi-constellation and multi-frequency GNSS Jianghui GengJiang GuoXiaotao Li Original Article Open access 03 December 2018 Pages: 977 - 991
The improvement in integer ambiguity resolution with INS aiding for kinematic precise point positioning Xiaohong ZhangFeng ZhuWuxing Zhou Original Article 08 December 2018 Pages: 993 - 1010
PPP-RTK based on undifferenced and uncombined observations: theoretical and practical aspects Baocheng ZhangYongchang ChenYunbin Yuan Original Article 06 December 2018 Pages: 1011 - 1024
Squared Msplit(q) S-transformation of control network deformations Krzysztof Nowel Original Article Open access 13 December 2018 Pages: 1025 - 1044
Processing of GNSS constellations and ground station networks using the raw observation approach Sebastian StrasserTorsten Mayer-GürrNorbert Zehentner Original Article Open access 13 December 2018 Pages: 1045 - 1057
Shipborne gravimetry in the Baltic Sea: data processing strategies, crucial findings and preliminary geoid determination tests Biao LuFranz BarthelmesKaifei He Original Article 22 January 2019 Pages: 1059 - 1071
Multi-dimensional particle filter-based estimation of inter-system phase biases for multi-GNSS real-time integer ambiguity resolution Yumiao TianZhizhao LiuFrank Neitzel Original Article 29 January 2019 Pages: 1073 - 1087