Global ionospheric scintillation model for low latitude in Indonesiausing observed data of Ionospheric Scintillation Monitoring (ISM) has been validized. The data were collected at ISM Kototabang, West Sumatra, Indonesia. In this research, the data used were based on Global Ionospheric Scintillation Model (GISM) as well as ISM from 2008 until 2012 for equinox months such as March, April, Septem…