Asian Surveying & Mapping
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April 25th, 2011
‘DAICHI’ (ALOS) Power Generation Anomaly

The Japan Aerospace Exploration Agency (JAXA) has been operating the Advanced Land Observing Satellite ‘DAICHI” (ALOS), which has exceeded its design life of three years and its target life of five years. However, at around 7:30 a.m. on April 22, we found that the satellite had shifted its operation mode to the low load mode (*1) and all the onboard observation devices were turned off due to power generation reduction. The anomaly was detected through relayed data via the Data Relay Test Satellite “KODAMA.” Since then, the power generation has been rapidly deteriorating, and we currently cannot confirm power generation. The DAICHI was launched on January 24, 2006. JAXA is investigating the cause of this problem while taking necessary measures. Read More