function data_y = gc_dataprep(raw_data)
  
  % format data for deconvolution
   
  start_temp = 60;
  kelvin = 273;
  
  offset = start_temp + kelvin;
 
  data_y = raw_data(:,2);
  temp = zeros(1,60+273);
  temp = temp';
  temp = [temp; data_y];
  data_y = temp(1:701);
  