b39 4 1000 60000
b39.dat 16 2/uV 12 0 -9 22593 0 AECG1
b39.dat 16 2/uV 12 0 151 14405 0 AECG2
b39.dat 16 2/uV 12 0 278 -14686 0 AECG3
b39.dat 16 2/uV 12 0 -202 -20458 0 AECG4