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Tags Current Affairs

GEMINI system

Date: 10 October 2019 Tags: IT, Mobile & Computers


The government departments, research agencies and private companies have developed GEMINI, a portable receiver linked to ISRO-satellites, that is fail-proof and warn fishermen of danger.



Fishermen away on fishing are cut off from communication services and face threats from disasters.

Mobile phone frequencies cannot be accessed 10-12 km beyond the coast and by using GEMINI this range can increase to 300 nautical miles.



  • GEMINI is developed by The Indian National Centre for Ocean Information Services (INCOIS), along with Accord, a private company, to develop a box-shaped receiver that has an antenna and in-built battery that can last three to four days.

  • GEMINI works on GAGAN, developed by ISRO and the Airports Authority of India and is an India-made global positioning system and relies on the positioning system by ISRO’s GSAT satellites.

  • When GEMINI is connected to an app, it also lets fishermen know the probability of fish-catch in the surrounding seas and provides ocean forecast.

  • Ocean State Forecasts include the forecasts on winds, waves, ocean currents, water temperature, etc. at every 6 hrs on daily basis for next 5 days helping fishermen in maximizing their earnings, ensuring safety and in planning of fishing activities.

  • With this device, fishermen outside the signal range of their phone companies can also access warnings and alerts.

  • The device only allows one-way communication as it can’t be used by fishermen to make calls, for instance.

  • The devices are also relatively expensive for the average fisherman but attempts are being made to subsidise it by as much as 90%.

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