Yamal-401 is a Russian geostationary communications satellite operated by Gazprom Space Systems. It was built by ISS Reshetnev and is based on the Ekspress-2000 satellite bus. It is equipped with 17 C-band and 36 Ku-band transponders.[2] It has a design life of 15 years.
Development history
In February 2009, Gazprom ordered two Yamal-400 type satellites from Thales Alenia Space. The satellites were named Yamal-401 and Yamal-402. Thales Alenia Space was to be responsible for all aspects of the development and building of the satellites. Both satellites were to be based on Spacebus4000C3 satellite buses.[3]