GSAT-31 & Hellas-Sat-4

Hellas Sat 4 is a communication satellite of the Greek satellite communications company Hellas Sat. It is being built by Lockheed Martin. It is planned to provide telecommunications capabilities, including television, Internet, telephone, and secure military communications to customers in the Middle East, Africa, and Europe.

GSAT-31 is a telecommunications satellite designed and manufactured by the Indian space agency, ISRO. To be positioned at a longitude of 48° East, GSAT-31 is configured on ISRO’s enhanced I-2K bus structure to provide communications services from geostationary orbit in Ku-band for a lifetime greater than 15 years.