2019 URSI Asia-Pacific Radio Science Conference (AP-RASC) | 2019
Delta-DOR Correlator Development at ISTRAC/ISRO
Abstract
Delta Differential One-way Ranging (DDOR) is a Very Long Baseline Interferometry (VLBI)-based technique for navigation of interplanetary spacecrafts. ISRO’s Mars Orbiter Mission (MOM) launched in November 2013, and orbiting Mars ever-since September 2014, uses this technique along with Ranging and Doppler-based navigation techniques for accurate Spacecraft Orbit Determination.