fid = fopen('4081BAEC.DAT')
  
 float meas_freq; 
 ulong number_of_measurements;
 double calibration_bias1;    // accel = duty_cycle*bias + offset  (duty_cycle = (-1.0:1.0);
 double calibration_offset1;
 double calibration_bias2;    // accel = duty_cycle*bias + offset  (duty_cycle = (-1.0:1.0);
 double calibration_offset2;
 double calibration_bias3;    // accel = duty_cycle*bias + offset  (duty_cycle = (-1.0:1.0);
 double calibration_offset3;
 
 start_time = fread(fid,1,'integer*8')
 meas_freq = fread(fid,1,'float32')
 number_of_measurements = fread(fid,1,'integer*8')
 calibration_bias1 = fread(fid,1,'float64') 
 calibration_offset1 = fread(fid,1,'float64')
 calibration_bias2 = fread(fid,1,'float64') 
 calibration_offset2 = fread(fid,1,'float64')
 calibration_bias3 = fread(fid,1,'float64') 
 calibration_offset3 = fread(fid,1,'float64')