code: def p45(msg):
      
      d = hex2bin(data(msg))
      if d[26] == '0':
          return None
      p = bin2int(d[27:38])    # hPa
      return p
docs: Average static pressure.
  
      Args:
          msg (String): 28 bytes hexadecimal message string
  
      Returns:
          int: static pressure in hPa