17_08-34-00_ppg 4 1000 29993 17_08-34-00_ppg.dat 32 100.0(0)/au 32 0 48 2796 0 carotid_880nm 17_08-34-00_ppg.dat 32 100.0(0)/au 32 0 12 60831 0 carotid_660nm 17_08-34-00_ppg.dat 32 100.0(0)/au 32 0 -84 613 0 brachial_880nm 17_08-34-00_ppg.dat 32 100.0(0)/au 32 0 -34 3571 0 brachial_660nm