Payloads: Actiwatch-Plus: Actiwatch-Plus units were hooked up to the HRF-1 rack for data downlink, battery charging, and swap. The Actiwatch-Plus is a waterproof, non-intrusive, sleep-wake activity monitor worn on the wrist of a crewmember and contains a miniature uniaxial accelerometer that produces a signal as the subject moves. The data is stored in non-volatile memory …
Click here for original story, ISS Daily Summary Report – 7/12/2023
Source: ISS Report