b87 4 1000 60000
b87.dat 16 2/uV 12 0 -2 -26507 0 AECG1
b87.dat 16 2/uV 12 0 -44 24367 0 AECG2
b87.dat 16 2/uV 12 0 3 -5490 0 AECG3
b87.dat 16 2/uV 12 0 -29 5803 0 AECG4