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RailRadar GPS (by RailYatri) is a live tracker allowing users to watch the movements of passenger trains running in India on an interactive map. All passenger trains in India are operated by state-owned Indian Railways. In the first release the location and status of trains shown on the map was typically 15 to 30 minutes delayed from real-time.
The system was developed partly because access to foreign government-controlled global navigation satellite systems is not guaranteed in hostile situations, as happened to the Indian military in 1999 when the United States denied an Indian request for Global Positioning System (GPS) data for the Kargil region, which would have provided vital information. [22]
The radar can auto track up to 150 targets including tracking. There are three Antenna Rotation Rates (ARR) of 6, 12, 24 RPMs. The radar has ECCM features. [4] [5] Revathi radar is used to equip the 4 Kamorta-class corvettes. 3D TCR. It has been developed for Indian Army, [6] with a tracking range of 90 km. The radar has a lower antenna mount ...
The suburban rail system of Mumbai, Kolkata and Chennai have both dedicated tracks and tracks shared with long-distance trains. The first suburban rail system in India is Mumbai Suburban Railway which started operations in 1853. The Kolkata Suburban Railway has the largest network in the entire country.
The radar uses pulse compression for detection of low flying aircraft in heavy ground clutter with high range resolution and ECCM capabilities. The radar has been produced by Bharat Electronics Limited and is used by Indian Air Force and Army. Seven INDRA-IIs have been ordered by the Indian Air Force.
A view of Mission Operations Complex - 1 (MOX-1) at ISTRAC before commencement of an orbit raising burn for Chandrayaan-2.. The Indian Space Research Organisation (ISRO), over the years, has established a comprehensive global network of ground stations to provide Telemetry, Tracking and Command (TTC) support to satellite and launch vehicle missions.
Doubling of tracks to reduce congestion and delays while improving safety. 15,000 km double tracks already exist by 2016 and funding for 12,500 km more track doubling was approved in 2016. [51] In fy2018-19 budget, 18,000 km of broad gauge track doubling and conversion was approved along with 36,000 km of track renewal for safety. [55]
The 12615 / 12616 Grand Trunk Express (commonly called G.T. or G.T Express) is a Daily Superfast Express train on Indian Railways, running between New Delhi and Madras Egmore. From February 2024, the train is starting from Madras Egmore. It is a historic train and is one of the oldest trains starting services in 1929.