ublic static final boolean isNorthLatitude(Double argValue)
	{
		if(GpxUtils.isValidLatitudeValue(argValue) == true)
		{
			if(argValue > 0.0)
			{
				return true;
			}

			else
			{
				return false;
			}
		}

		else
		{
			IllegalArgumentException toThrow = new IllegalArgumentException
			(" The latitude value being tested was not valid.");

			throw toThrow;
		}
	}