b44 4 1000 60000 b44.dat 16 2/uV 12 0 -229 -105 0 AECG1 b44.dat 16 2/uV 12 0 -13 3166 0 AECG2 b44.dat 16 2/uV 12 0 183 32607 0 AECG3 b44.dat 16 2/uV 12 0 -221 17548 0 AECG4