The Polar Communications and Weather mission proposes to use two satellites each in a highly eccentric orbit with apogee ～ 42,000 km and a period in the 12- 24 hour range in order to have quasi-stationary 24x7 viewing over the Arctic. The baseline operational meteorological instrument is a 21-channel spectral imager similar to MODIS. The CSA is also exploring the possibility of a suite of innovative vertical sounding FTS and UVS science instruments with an imaging capacity for Arctic and mid-latitude weather, climate and air quality science. We report on the outcome of a Phase A study completed in March 2012 conducted by ABB, COM DEV and the Science team, a group of atmospheric scientists from university and government with international collaborators.
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