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Why is spatial searching not enabled for GLA01 to GLA04?

April 26, 2017enabled searching spatial

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Why is spatial searching not enabled for GLA01 to GLA04?

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The orbit for GLA01 and GLA02 is a predicted orbit and does not show any target-of-opportunity pointing. The GLAS science team decided not to enable spatial searching for these two products in the Warehouse Inventory Search Tool (WIST) because of a potentially large number of false negatives. If you order GLA05 to GLA15 data granules (which support spatial searching) and you require matching GLA01 granules, please note the data times and/or file names from the GLA05 to GLA15 granules. Use these times to perform your search for GLA01 and GLA02 granules. GLA03 and GLA04 are engineering and satellite housekeeping data, so spatial searching is not applicable.