b91 4 1000 60000
b91.dat 16 2/uV 12 0 -90 -30595 0 AECG1
b91.dat 16 2/uV 12 0 -2018 -19308 0 AECG2
b91.dat 16 2/uV 12 0 1149 -32122 0 AECG3
b91.dat 16 2/uV 12 0 -313 12711 0 AECG4