Simulating the Impact of Refractive Transverse Gradients Resulting From a Severe Troposphere Weather Event on GPS Signal Propagation. - Robert J. Norman; John Le Marshall; Witold Rohm; Brett A. Carter; Gottfried Kirchengast; Simon Alexander; Congliang Liu; Kefei Zhang (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2015)

Study of bending angle residual ionosphric error in real RO data. - Congliang Liu; Gottfried Kirchengast; Yueqiang Sun; Weihua Bai; Qifei Du; Xianyi Wang; Xiangguang Meng; Dongwei Wang; Yuerong Cai; Di Wu 024; Chunjun Wu; Wei Li 060; et al. (IGARSS, 2016)

Study on LEO-LEO microwave occultation. - Congliang Liu; Gottfried Kirchengast; Yueqiang Sun; Qifei Du; Weihua Bai; Veronika Proschek; Xianyi Wang; Junming Xia; Xiangguang Meng; Dongwei Wang; Yuerong Cai; Danyang Zhao; et al. (IGARSS, 2017)

Global Navigation Satellite System Occultation Sounder II (GNOS II). - Yueqiang Sun; Congliang Liu; Qifei Du; Xianyi Wang; Weihua Bai; Gottfried Kirchengast; Junming Xia; Xiangguang Meng; Dongwei Wang; Yuerong Cai; Danyang Zhao; Chunjun Wu; et al. (IGARSS, 2017)

Analysing Seasonal Characteristics of Residual Ionospheric Errors in Bending Angles Based on Ensembles of Profiles from End- To-End Simulations. - Congliang Liu; Gottfried Kirchengast; Yueqiang Sun; Qifei Du; Weihua Bai; Xianya Wang; Xiangguang Meng; Junming Xia; Danyang Zhao; Yuerong Cai; Dongwei Wang; Chunjun Wu; et al. (IGARSS, 2018)

GNSS Radio Occultation Advances the Monitoring of Volcanic Clouds: The Case of the 2008 Kasatochi Eruption. - Valeria Cigala; Riccardo Biondi; Alfredo J. Prata; Andrea K. Steiner; Gottfried Kirchengast; Hugues Brenot (Remote. Sens., 2019)

A New Algorithm for the Retrieval of Atmospheric Profiles from GNSS Radio Occultation Data in Moist Air and Comparison to 1DVar Retrievals. - Ying Li; Gottfried Kirchengast; Barbara Scherllin-Pirscher; Marc Schwaerz; Johannes K. Nielsen; Shu-peng Ho; Yun-bin Yuan (Remote. Sens., 2019)

The 2015 Calbuco Volcanic Cloud Detection Using GNSS Radio Occultation and Satellite Lidar. - Pierre-Yves Tournigand; Valeria Cigala; Alfredo J. Prata; Andrea K. Steiner; Gottfried Kirchengast; Hugues Brenot; Lieven Clarisse; Riccardo Biondi (IGARSS, 2020)

Precise Orbit Determination for Climate Applications of GNSS Radio Occultation including Uncertainty Estimation. - Josef Innerkofler; Gottfried Kirchengast; Marc Schwärz; Christian Pock; Adrian Jäggi; Yago Andres; Christian Marquardt (Remote. Sens., 2020)

New Higher-Order Correction of GNSS RO Bending Angles Accounting for Ionospheric Asymmetry: Evaluation of Performance and Added Value. - Congliang Liu; Gottfried Kirchengast; Stig Syndergaard; Marc Schwaerz; Julia Danzer; Yueqiang Sun (Remote. Sens., 2020)

Impacts of Orbital and Constellation Parameters on the Number and Spatiotemporal Coverage of LEO-LEO Occultation Events. - Congliang Liu; Gottfried Kirchengast; Yueqiang Sun; Veronika Proschek; Xin Wang; Longfei Tian; Qifei Du; Weihua Bai; Chunjun Wu; Peng Hu; Guangyuan Tan (Remote. Sens., 2021)

Preliminary Assessment of BDS Radio Occultation Retrieval Quality and Coverage Using FY-3E GNOS II Measurements. - Congliang Liu; Mi Liao; Yueqiang Sun; Xi Wang; Jiahui Liang; Xiuqing Hu; Peng Zhang 024; Guanglin Yang; Yan Liu; Jinsong Wang; Weihua Bai; Qifei Du; et al. (Remote. Sens., 2023)