Update the locator, and trigger a latitude and longitude update.

        Args:
            value (str): New Maidenhead locator string

def locator(self, value):
        """Update the locator, and trigger a latitude and longitude update.

        Args:
            value (str): New Maidenhead locator string
        """
        self._locator = value
        self._latitude, self._longitude = utils.from_grid_locator(value)