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SpatialNews.com Press Release
ACRES to resume Landsat 5 acquisitions
ACRES will resume acquisition of Landsat 5 data from Alice Springs ground station commencing 1 July 2003.
The Landsat 5 satellite, launched on 1 March 1984, is still operational and providing high quality data, though operating in bumper mode since April 2002. This required ACRES to upgrade its processing software to correct for bumper mode effects. As part of the software upgrade, ACRES is implementing a significant improvement to the calibration of Landsat 5 data, following the revised calibration parameters (pdf file) recently published by USGS (United States Geological Survey). As a result of this upgrade, ACRES Landsat 5 products will be consistent over time and also consistent with Landsat 7 products.
Over the last few weeks ACRES have acquired several Landsat 5 passes to test modifications to the cataloguing and product generation software. These browse images are available on ACRES digital catalogue.
ACRES have requested USGS to routinely schedule all Landsat 5 passes over Australia from 1 July 2003 for downlinking at Alice Springs, however, there is no guarantee at this stage that all requests for data will be granted.
ACRES will accept orders for Landsat 5 data from 1 July 2003. There are no changes to ACRES Landsat 5 products, delivery and distribution arrangements that are currently in place, however, product prices are currently being reviewed and will be announced soon. ACRES STAR Service will now support delivery of Landsat 5 data within 12 hours of acquisition.
Related Weblinks:
www.ga.gov.au
landsat7.usgs.gov/documents/L5TMCal2003.pdf
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