def get_station_type(station_name: str) -> str:
    """
    Get the station type, one of 'intl', 'core' or 'remote'

    Args:
        station_name: Station name, e.g. "DE603LBA" or just "DE603"

    Returns:
        str: station type, one of 'intl', 'core' or 'remote'

    Example:
        >>> get_station_type("DE603")
        'intl'
    """
    if station_name[0] == "C":
        return "core"
    elif station_name[0] == "R" or station_name[:5] == "PL611":
        return "remote"
    else:
        return "intl"