text: import os
  
  #try and find the RBSP_PATH variable - this is where data will be stored
  ModulePath = os.path.dirname(__file__)+'/'
  try:
  	DataPath = os.getenv('RBSP_PATH')+'/'
  except:
  	print('Please set RBSP_PATH environment variable')
  	DataPath = ''
  
  #RBSP position
  aPos = None
  bPos = None
  