def fetch(cls, channel, start, end, bits=None, host=None, port=None,
              verbose=False, connection=None, type=Nds2ChannelType.any()):
        """Fetch data from NDS into a `StateVector`.

        Parameters
        ----------
        channel : `str`, `~gwpy.detector.Channel`
            the name of the channel to read, or a `Channel` object.

        start : `~gwpy.time.LIGOTimeGPS`, `float`, `str`
            GPS start time of required data,
            any input parseable by `~gwpy.time.to_gps` is fine

        end : `~gwpy.time.LIGOTimeGPS`, `float`, `str`
            GPS end time of required data,
            any input parseable by `~gwpy.time.to_gps` is fine

        bits : `Bits`, `list`, optional
            definition of bits for this `StateVector`

        host : `str`, optional
            URL of NDS server to use, defaults to observatory site host

        port : `int`, optional
            port number for NDS server query, must be given with `host`

        verify : `bool`, optional, default: `True`
            check channels exist in database before asking for data

        connection : `nds2.connection`
            open NDS connection to use

        verbose : `bool`, optional
            print verbose output about NDS progress

        type : `int`, optional
            NDS2 channel type integer

        dtype : `type`, `numpy.dtype`, `str`, optional
            identifier for desired output data type
        """
        new = cls.DictClass.fetch(
            [channel], start, end, host=host, port=port,
            verbose=verbose, connection=connection)[channel]
        if bits:
            new.bits = bits
        return new
Fetch data from NDS into a `StateVector`.

        Parameters
        ----------
        channel : `str`, `~gwpy.detector.Channel`
            the name of the channel to read, or a `Channel` object.

        start : `~gwpy.time.LIGOTimeGPS`, `float`, `str`
            GPS start time of required data,
            any input parseable by `~gwpy.time.to_gps` is fine

        end : `~gwpy.time.LIGOTimeGPS`, `float`, `str`
            GPS end time of required data,
            any input parseable by `~gwpy.time.to_gps` is fine

        bits : `Bits`, `list`, optional
            definition of bits for this `StateVector`

        host : `str`, optional
            URL of NDS server to use, defaults to observatory site host

        port : `int`, optional
            port number for NDS server query, must be given with `host`

        verify : `bool`, optional, default: `True`
            check channels exist in database before asking for data

        connection : `nds2.connection`
            open NDS connection to use

        verbose : `bool`, optional
            print verbose output about NDS progress

        type : `int`, optional
            NDS2 channel type integer

        dtype : `type`, `numpy.dtype`, `str`, optional
            identifier for desired output data type