9 PM Current Affairs Brief – April 4th, 2020

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We are posting Todays 9pm Current Affair Brief

About 9pm Current Affair Brief – This initiative provides a brief of all the relevant articles of day in a clear, concise and easily consumable format. Students don’t need to look anywhere more for your daily news bytes. It will help students in their prelims and mains preparation.

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Operation Sanjeevani

News:Indian Air Force(IAF) with the assistance of Indian army has conducted Operation Sanjeevani to supply essential medicines and hospital consumables to Maldives.

Additional Facts:

Other Operations in News:

• Operation Sankalp:It was conducted by the Indian Navy in the Persian Gulf and the Gulf of Oman to ensure the safety and security of Indian ships.

• Operation Vanilla:It was conducted by Indian Navy to support flood-hit Madagascar.

• Operation Kayla Mueller:It was a United States led military operation in Syria that targeted Islamic State of Iraq and the Levant (ISIL) leadership notably its leader,Abu Bakr al-Baghdadi.
• Operation Peace Spring:It was conducted by Turkey against the Syrian Kurdish militia (YPG) in Northeast Syria.

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Explained:What is Geo-fencing?

News:The Government of India has planned to use the ‘Geo-Fencing App’ to locate quarantine violators.

Facts:

• Geo-fencing:It is a location-based service which uses GPS, RFID, Wi-Fi or cellular data to trigger a pre-programmed action when a person or device enters or exits a virtual boundary set up around a geographical location known as a geofence.
• Authorisation: Section 5(2) of the Indian Telegraph Act,1885 authorises State or Centre to access information of a user’s phone data in case of occurrence of any public emergency or in the interest of public safety.

Additional Facts:

• Radio-Frequency Identification(RFID):It is the use of radio waves to read and capture information stored on a tag attached to an object.A tag can be read from up to several feet away and does not need to be within the direct line-of-sight of the reader to be tracked.
• Wi-Fi: It is a radio transmission technology that allows digital devices to use high-speed internet without direct cable connections.
• Global Positioning System (GPS): It is a U.S.-owned satellite-based radio navigation system that provides users with positioning, navigation, and timing (PNT) services.

GRACE-FO Mission

News:NASA has released new global maps mapping groundwater, soil wetness using GRACE-FO mission satellites.

Facts:

• • • The Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) mission was launched in 2018.It is a successor to the original GRACE mission which orbited Earth from 2002-2017.
    • Bodies involved:It is a partnership project between NASA and the German Research Centre for Geosciences(GFZ).
    • Objective:To map Earth’s gravity field every 30 days in order to monitor changes in underground water storage, the amount of water in lakes, soil moisture, ice sheets, glaciers and sea level

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