def calcAlpha(entry):
	"""
	Calculates the level of Alpha

	Parameters:
	entry	(List): A parsed data entry

	Returns a 2 digit hexadecimal string
	"""
	# If radcount validity flag is invalid, represent with 75% transparency
	# Otherwise, the path should be fully opaque
	if entry[4] == "V":
		alpha = 64
	else:
		alpha = 255
	return hex(alpha)[2:].zfill(2)