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GEO and HEO weather satellites: natural partners

GEO and HEO weather satellites: natural partners. Sixth GOES User’s Conference Madison, WI November 3-5, 2009 Louis Garand (EC) and PCW U&ST. 2-sat constellation in Molniya Orbit = continuous views over one pole. 2 satellites to provide continuous GEO-like imagery 50-90 N 0.5-1 km VIS

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GEO and HEO weather satellites: natural partners

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  1. GEO and HEO weather satellites: natural partners Sixth GOES User’s Conference Madison, WI November 3-5, 2009 Louis Garand (EC) and PCW U&ST

  2. 2-sat constellation in Molniya Orbit = continuous views over one pole 2 satellites to provide continuous GEO-like imagery 50-90 N 0.5-1 km VIS 2 km IR 12-h period 63.4 deg. inclination Apogee: ~39,500 km Perigee: ~600 km

  3. Canada’s Polar Communications and Weather (PCW): Dual Objectives • Reliable communications in the high latitudes (North of 70º) to ensure: • Security • Sustainable Development • Support to Northern Communities • Air and Marine Navigation • Arctic Science • Provide high temporal/spatial resolution meteorological data above 50º N in support of: • Numerical Weather Prediction (short to medium range) • Environmental monitoring, emergency response • Climate monitoring PCW to have an operational status linked to NRT meteorology Launch target: 2016

  4. Area of Interest Meteorological Coverage Requirement (50ºN) Meteorological Coverage Goal (45ºN) Communications Coverage Requirement Meteo requirement pertains to the entire circumpolar domain

  5. Channel definition based on compatibility with GOES-R and MTG Not on MTG or GOES-R

  6. 1 PCW satellite, 24-h animation from 11mm channel (Modis 31) One satellite covers the Arctic domain ~75% of the time.

  7. 2 sats, 1 plane 24-h simulation, 15 min intervals, Modis ch 28 (7.3 mm), 10 km. Red area: view angles > 70 deg.

  8. Hey, how about GEO-like views over le pole?

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