%0 Journal Article %T Effect of Magnetic Activity on Ionospheric Time Delay at Low Latitude %A A. K. Gwal %A P. K. Purohit %A Rajesh Tiwari %A Smita Dubey %A Soumi Bhattacharya %J - %D 2008 %U https://www.ias.ac.in/describe/article/joaa/029/01-02/0269-0274