HASDM

AcronymDefinition
HASDMHigh Altitude Satellite Drag Model
References in periodicals archive ?
From that initial phase, which relied on eighty satellites for calibration, HASDM entered a second phase--Sapphire Dragon--that used 140 satellites for calibration.
Scientists developed a new empirical thermospheric density model--Jacchia-Bowman 2006 (JB2006)--as part of HASDM.