link : Consistent Satellite Launches is adding teeth to India’s Military Surveillance Capability
Consistent Satellite Launches is adding teeth to India’s Military Surveillance Capability
The 550kg satellite, the fourth of the Cartosat-2 series, is to be launched by the PSLV-C38 rocket.
The Cartosat-series satellite is an advanced remote sensing satellite capable of providing scene-specific spot imagery. It carries a state-of-the-art panchromatic (PAN) camera that takes black and white pictures of the earth in the visible region of the electromagnetic spectrum. The swath covered by this high-resolution PAN camera is 9.6 km and their spatial resolution is less than 1 metre. The satellite, which can be steered up to 45 degrees along as well as across the track, covers the entire globe in 1867 orbits on a 126-day cycle.
The Cartosat-2C series satellite has added teeth to India’s military surveillance and reconnaissance capabilities, and has been providing high-resolution images of 0.65 metres, an improvement
The first major use of the Cartosat-2C satellite by the military was when the Army commandos counted on satellite images to hit terror launch pads across LoC during the surgical strike in September.
The imagery of Cartosat satellite is significantly used for cartographic applications, urban and rural applications, coastal land use and regulation, utility management like road network monitoring, water distribution, creation of land use maps, precision study, change detection to bring out geographical and manmade features and various other land information system (LIS) and geographical information system (GIS) applications. “Demand of Cartosat images has increased in recent years as most departments of the Union government are relying on satellite images to get accurate data about a geographical area to implement their development projects. Satellite images not only save manpower, but also help get accurate geographical data about a place,” says an Isro source.
Cartosat-2C, whose panchromatic camera covers 50% of the payload area and is made at Ahmedabad-based Space Applications Centre, is the best-in-class remote sensing satellite that can not only click pictures of areas of interest, but also record videos of sensitive targets from space, compress it, and relay it back to earth. The satellite can produce images of up to 100 cm in resolution (black and white only), compared to the 80 cm offered by Ikonos, operated by America’s DigitalGlobe, which is multispectral. In the past, India used to buy in bulk images from Ikonos at about $20 per sq km of imagery. With Cartosat-2 offering better resolution at 20 times lower cost per sq m of imagery, buying images from Ikonos has declined.
Source:- TNN
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