a68 4 1000 60000
a68.dat 16 2/uV 12 0 261 -13032 0 AECG1
a68.dat 16 2/uV 12 0 357 4554 0 AECG2
a68.dat 16 2/uV 12 0 458 -15451 0 AECG3
a68.dat 16 2/uV 12 0 405 17382 0 AECG4