a45 4 1000 60000 a45.dat 16 2/uV 12 0 -1 -14084 0 AECG1 a45.dat 16 2/uV 12 0 -3 10426 0 AECG2 a45.dat 16 2/uV 12 0 11 -26681 0 AECG3 a45.dat 16 2/uV 12 0 -2 28377 0 AECG4