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Fig. 7.

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(a) The changes of ISS altitude from June 2009 to June 2016; (b) the Oulu NM count rates from June 2009 to June 2016; (c, d) the measured daily absorbed dose rate for the contribution of the SAA for the DOSTEL-1 and DOSTEL-2 instruments. Note: No measurements were taken from June 2010 to May 2011.
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