... satellites3.1
Unlike ASCA, NASA DSN stations will not be used, since a 4 Mbps down-link is not possible at DSN stations. 
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... rigidity4.1
Suzaku is protected from solar and cosmic-ray particles by the geomagnetic field; cut-off rigidity is an indicator of the minimum momentum required for a particle to reach a specific location, given the average geomagnetic field configuration. 
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... sources7.1
There is one more $^{55}$Fe calibration source installed on the door. This source was used only in the initial operation before the door opened, and is no more available. 
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... V8.1
The bias voltage from one out of four high-voltage units has been reduced to 400 V since 2006 May 29, due to the in-orbit damage in a PIN diode. On October, 3, 2006, another bias was also set to 400V. In total, half of the PIN diodes are operated in 400 V bias, and another half in 500 V. This affected the total effective area of PIN diodes only at $\sim 6$% 
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