Detection of Low-Latitude Ionospheric Irregularities From GNSS Observations. - Swapna Raghunath; Devanaboyina Venkata Ratnam (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2015)

Ionospheric Spatial Gradient Detector Based on GLRT Using GNSS Observations. - Swapna Raghunath; Devanaboyina Venkata Ratnam (IEEE Geosci. Remote. Sens. Lett., 2016)

Maximum-Minimum Eigen Detector for Ionospheric Irregularities Over Low-Latitude Region. - Swapna Raghunath; Devanaboyina Venkata Ratnam (IEEE Geosci. Remote. Sens. Lett., 2017)