GLONASS: GK, General Studies and Current Affairs

IRNSS Satellite Constellation of India recognized under WWRNS by IMO

Published: November 21, 2020

The Indian Regional Navigation Satellite System (IRNSS) has been accepted as a component of the World-Wide Radio Navigation System by the International Maritime Organisation (IMO) for its operation in the Indian Ocean Region. This will enable the vessels to use IRNSS to obtain position information similar to GLONASS and GPS. Impacts The navigation system up ..




Last Satellite of China’s BeiDou Satellite System 3 (BDS-3) Launched

Published: June 23, 2020

In an effort to compete with the United States Government’s NAVSTAR Global Positioning System (GPS), Russia’s GLONASS, and the Galileo Systems of the European Union,  China completed the launch of its final satellite on 23rd June 2020. The satellite was launched as a carrier with Long March 3 rocket from the Xichang Satellite Launch Centre. ..



Cryogenic Rocket Engine Technology

Published: August 26, 2019

A cryogenic rocket engine uses a cryogenic fuel or oxidizer which are both liquefied and stored at very low (cryo) temperatures. This increases the density of the fuel and simplifies tankage. Why is a cryogenic engine used? In a cryogenic engine, the rocket propellants and oxidizers are cooled sufficiently and exist in the liquid phase ..


China’s navigation satellite system BeiDou starts providing global service

Published: December 28, 2018

China’s BeiDou Navigation Satellite System (BDS) has started offering global service. It is touted as a rival to America’s Global Positioning System (GPS). Pakistan has become the first foreign nation to use the BeiDou system ending its reliance on GPS. China’s BeiDou Navigation Satellite System was the fourth global navigation system after US’s GPS, Russia’s GLONASS and the European ..


Russia decides to venture into Internet of things (IoT) with new satellite system ‘Marathon’

Published: November 26, 2018

Russia’s state space corporation ‘Roscosmos’ has decided to venture into the Internet of things (IoT) with the launch of a new satellite system named ‘Marathon’. As per reports, the new satellite system will be a part of Russia’s Sphere satellite constellation, alongside GLONASS navigation system, an Earth remote sensing system, a satellite communication system, and ..