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RADARSAT-2 has supplied what several other satellites could not in 2013: coverage of the whole of Antarctica. The data from the Antarctic Mapping Mission (AMM) helps scientists globally to better understand and protect the freshwater resources located at the South Pole.

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picture credit: Google

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Picture Credit: Google

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The satellite is owned by MacDonald, Dettwiler and Associates Ltd. The Canadian Space Agency helped to fund the construction and launch of the satellite. The initial cost was similar to that of RADARSAT-1, and the CSA recovers this investment through the supply of RADARSAT-2 data to the Government of Canada during the mission.

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Canada's next-generation radar-satellite was launched in December 2007, and offered similar advancements in observing Earth's resources, weather and climate patterns. RADARSAT-2 enhances marine surveillance, polar ice surveillance, and environmental monitoring.

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RADARSAT-1 orbited over the Northern Arctic every day, and covered Canada around every 72 hours depending on settings. RADARSAT orbited the entire Earth in 24 days, orbiting from Northern to Southern hemisphere.

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It was a Canadian-led project involving the federal government, and the Canadian provinces, with funding from the United States. During the end of the space-age, Canada recognized the economic benefits of using space for Earth observation. RADARSAT-1 was developed by the Canadian Space Agency as Canada's flagship to pursue this priority.

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As its name might suggest, RADARSAT stands for Radar-Satellite using Synthetic-Aperture Radar equipment. RADARSAT-1 provided Canada with its first operational radar satellite system capable of sending mass amounts of data, including imagery.

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RADARSAT-1. (2014, March 21). Retrieved April 8, 2018, from Canadian Space Agency website:      http://www.asc-csa.gc.ca/eng/satellites/radarsat1/Default.asp

RADARSAT Program - a brief history. (2002, December). Retrieved April 8, 2018, from Office of the

Auditor General Canada website: http://www.oag-bvg.gc.ca/internet/English/ att_20021207ab_e_12270.html

RADARSAT-2. (2017, December 14). Retrieved April 9, 2018, from Canadian Space Agency website:

http://www.asc-csa.gc.ca/eng/satellites/radarsat2/Default.asp

Evans, W. (2013). RADARSAT - A canadian & global success. Retrieved April 9, 2018, from Canadian

Government Publications website: http://publications.gc.ca/collections/collection_2013/asc-csa/

ST95-4-25-1998-eng.pdf

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In June of 1994, the Canadian Cabinet approved of Space Plan II, which established the observation of Earth as a major operation. The RADARSAT program brought Canada into the business of Earth observation, aswell as support towards foreign defence around the world. During its time of operation, the satellite's images were used to manage Earth's resources internationally, and monitor weather patterns and global climate change.

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Since its launch on November 4, 1995, RADARSAT-1 has proven to be an invaluable source of observation data for the Earth. RADARSAT-1 was successfully launched in November 1995, and began operating in 1996. The operational life expectancy of the satellite was about 6 years. RADARSAT-1 outlived its original expectancy by about 10 years, as it remained in service until May 2013

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In 2001, the estimated cost of launching RADARSAT-1 was $678 million CAD.