Gap analyses by variable, type of mission or WIGOS subcomponent
Variable sorting criteria
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Each instrument is assigned with a 5-step rating, evaluated as a blend of several elements. For this particular Variable, the rating is driven by:
- the exploited technology (radar or lidar);
- the large swath capability.
RATING CRITERIA:
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1
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- Large swath radar altimeter with built-in passive MW frequencies for water vapour correction
- Large swath radar altimeter
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2
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- Nadir-only radar altimeter with supporting C- or S- band frequency for ionospheric rotation
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3
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- Nadir-only radar altimeter
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4
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- Large-swath lidar altimeter
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5
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- Nadir-only lidar altimeter
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