20_15-41-04_ppg 4 1000 29994 20_15-41-04_ppg.dat 32 100.0(0)/au 32 0 18 62418 0 carotid_880nm 20_15-41-04_ppg.dat 32 100.0(0)/au 32 0 -2 57591 0 carotid_660nm 20_15-41-04_ppg.dat 32 100.0(0)/au 32 0 -13 607 0 brachial_880nm 20_15-41-04_ppg.dat 32 100.0(0)/au 32 0 -16 190 0 brachial_660nm