uds_rate_stream::get_idf_info

Source: stream/rate/UDS/uds_rate_stream__get_idf_info.pro

 uds_rate_stream::get_idf_info
        Return "IDF" info for a UDS rate stream.

 Usage:
        info = strref -> get_idf_info(<keys>)

 Keywords:
        Sectors         If set, return how many sectors the channel
                        has.
        unit            If set, return the unit of the channel
        description     Return the channel description
        spacecraft      Return the name of the spacecraft
        instrument      Return the name of the instrument
        energy          Return the "centre" energy of the channel
        erange          Return the energy range of the channel.
        location        Return the position of the channel in the data file.

 History:
        Original: 26/6/00; SJT
        Add energy options: 3/7/00; SJT
        Add location key: 4/7/00; SJT
        Add log_plot key: 6/7/00; SJT
        Removed it: 7/7/00; SJT
        Added _extra key to swallow unused items: 24/7/01; SJT