----------------------Global Positioning System (GPS) ---------------------------------------------------------------------- Measurements/ data : Novatel make Global Ionospheric Scintillation and Total Electron Content Monitoring system (GISTM). Global Positioning System (GPS) ITEC – Ionospheric Total Electron Content L-band amplitude scintillation L-band Phase scintillation Duration : 2011 to 2017 Location : Maitri Latitude and Longitude : 70°45′01.65"S:11°43′01.45"E Data file format : ASCII ---------------------------------------------------------------------------------------------------------------------------