PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 2018-07-09 NOTE = "AAREADME.TXT describes this volume." END_OBJECT = TEXT END Cassini Orbiter Radio and Plasma Wave Science CASSINI SS/S RPWS DERIVED LANGMUIR PROBE SWEEP V1.0 CO-SS/S-RPWS-5-LPSWEEP-V1.0 1997-10-25 to 2017-09-15 Planetary Plasma Interactions Discipline Node of the Planetary Data System ============================================================================= Introduction ============================================================================= This volume contains Cassini RPWS Langmuir Probe Sweep data, submitted to the Planetary Data System (PDS). Every effort has been made to ensure that the data and documentation are of the best possible quality. However, mistakes are inevitable. The PPI Node of the PDS will maintain an online list of ERRATA where errors and updates are documented. Should any user of this product find an error on this volume, please report the error to the PPI Node so that the finding can be made public. All users are encouraged to verify the "correctness" of the data prior to submitting any publications or other work based on these data. Users of these data are encouraged to acknowledge both the PDS and the principal investigators of the instruments whose data are used in analysis in all publications. ============================================================================= Quick Start Summary ============================================================================= This volume contains The Cassini Radio and Plasma Wave Science (RPWS) Langmuir Probe Sweep data set, which includes all thermal plasma information derived from Langmuir Probe voltage sweeps acquired in the inner magnetosphere and during Titan, Enceladus, and other icy satellite encounters for the entire Cassini mission. This data set collection will contain all available RPWS Langmuir probe Sweep data, with new data added as they become available. General information for this data set collection is provided in PDS catalog files located in the CATALOG directory: Catalog file Describes -------------- --------------------------------------------------------- LPSWEEPDS.CAT RPWS LP sweep data set containing derived plasma parameters CO_INST_HOST.CAT Cassini Orbiter spacecraft CO_MISSION.CAT Cassini-Huygens mission CO_RPWS_PERSON.CAT personnel associated with Cassini RPWS data sets CO_PROJREF.CAT references cited in MISSION.CAT CO_RPWS_REF.CAT references associated with Cassini RPWS data sets CO_RPWS_INST.CAT Cassini Radio and Plasma Wave Science (RPWS) instrument ============================================================================= Related PDS Products ============================================================================= The primary RPWS standard data products in volume set CORPWS_0xxx include data sets comprised of measurements from the multiple low-rate receivers sampling wave power at selected frequencies, a key-parameters data set derived from these, multi-antenna waveform data, single-antenna wideband waveform data, and an archive of raw telemetry packets. Another related PDS product is the Cassini Magnetosphere and Plasma Science Key Parameter data set which includes the RPWS Key Parameter data set along with similar products from the Cassini Magnetometer, Magnetospheric Imaging Instrument, and Cassini Plasma Spectrometer Subsystem. ============================================================================= Volume Information ============================================================================= These data are supplied to the Planetary Data System as an online collection of files in a PDS volume directory structure or as a standard compressed archive, such as ZIP or TAR.GZ, of this collection. New releases of this volume will be made as new data become available. ============================================================================= Volume Format Information ============================================================================= The online volume is organized into a hierarchical directory structure following PDS standards. ============================================================================= File Formats ============================================================================= The data files on this volume are ASCII text files. Any Browse data are provided in Portable Network Graphics (PNG) format. All data files are described by detached PDS labels. A detached label file has the same name as the data file that it describes, but with the extension .LBL. For example, the file RPWS_LP_T_2013207_T93_V1.TAB is accompanied by the detached label file RPWS_LP_T_2013207_T93_V1.LBL in the same directory. File names within this archive comply with the "27.3" convention for compliance with ISO 9660 Level 2 interchange requirements. All documents and detached PDS labels are stream format files, with a carriage return (ASCII 13) and a line feed character (ASCII 10) at the end of the record. This allows the files to be read by MacOS, DOS, Windows, UNIX, and VMS operating systems. UNIX system users may see an unnecessary carriage return character (^M) at the end of each line. Mac users may see an unnecessary line feed character (^J) at the start of each line. ASCII tabular data files (.TAB) are formatted so that they may be read directly into many database management systems (DBMS) or spreadsheet programs on various computers. All fields are of fixed length and are separated by white space or commas. Character fields are left justified, and numeric fields are right justified. The records are of fixed length, and the last two bytes of each record contain the ASCII carriage return and line feed characters. This allows a table to be treated as a fixed length record file on computers that support this file type and as a normal text file on other computers. PDS labels are object-oriented. The object to which the label refers (e.g. SERIES, TABLE, etc.) is denoted by a statement of the form: ^object = location in which the caret character (^, also called a pointer in this context) indicates that the object starts at the given location. For an object in the same file as the label, the location is an integer representing the starting record number or byte of the object (the first record/byte in the file is 1). For an object located outside the label file, the location denotes the name of the file containing the object, along with the starting record or byte number. For example: ^TABLE = ("RPWS_LP_T_2013207_T93_V1.TAB",1) indicates that the TABLE object begins at record 1 of the file RPWS_LP_T_2013207_T93_V1.TAB, in the same directory as the detached label file. Below is a list of the possible formats that use the ^object keyword. ^object = n ^object = n ^object = ("filename.ext",n) ^object = ("filename.ext",n) where n is the starting record or byte number of the object, counting from the beginning of the file (record 1, byte 1); default is record number. indicates that number given is in units of bytes. filename upper-case file name. ext upper-case file extension. ============================================================================= Errata ============================================================================= There is a file called ERRATA.TXT found at the root level of this volume which contains a list of known deficiencies or caveats associated with data on this volume at the time this revision was released. If you find an error on this volume, please report the error to the PDS Operator at the PPI Node of the PDS. Email pds_operator@igpp.ucla.edu Telephone (310) 206-6073 U.S. Mail PDS Operator c/o Dr. Raymond Walker UCLA - IGPP Los Angeles, CA 90095-1567 Only through support and feedback of the users of these data can an effective errata list be maintained. ============================================================================= Volume Contents and Structure ============================================================================= This section describes the volume structure and naming conventions. Below is a tree diagram of the volume, followed by a description of the directory function and key files in each directory. [CORPWS_LP03] (root directory) | |- AAREADME.TXT Plain text describing volume contents, | organization, and use (this file) | |- ERRATA.TXT Describes known deficiencies or caveats in the | data on this volume. | |- VOLDESC.CAT High level description of volume contents. | |- [BROWSE] Contains browse plots depicting the data. | | | |- [ENCELADUS] Plots of plasma parameters derived from RPWS | | LP sweeps for Enceladus encounters. | | | |- [SATURN] Plots of plasma parameters derived from RPWS | | LP sweeps in Saturn's inner magnetosphere. | | | |- [TITAN] Plots of plasma parameters derived from RPWS | LP sweeps for Titan encounters. | |- [CATALOG] Information on data sets and how they are | processed and produced, on Cassini spacecraft | and mission, on RPWS instrument, on cognizant | personnel, and on references to various | related documents. | |- [DATA] Contains the primary archive products which | | are text tables of calibrated Langmuir probe | | measurements or derived plasma parameters. | | | | | |- [ENCELADUS] Plasma parameters derived near Enceladus | | | | | |- RPWS_LP_E_yyyyddd_Enn_Vm.LBL | | |- RPWS_LP_E_yyyyddd_Enn_Vm.TAB | | Label and ASCII table files containing plasma | | parameters including electron number density, | | electron temperature, and spacecraft potential, | | derived from RPWS LP sweeps in the vicinity of | | Enceladus. | | | | | |- [SATURN] Plasma parameters derived near Saturn's inner | | | magnetosphere | | | | | |- RPWS_LP_S_yyyyddd_nnn_Vm.LBL | | |- RPWS_LP_S_yyyyddd_nnn_Vm.TAB | | Label and ASCII table files containing plasma | | parameters including electron number density, | | electron temperature, and spacecraft potential, | | derived from RPWS LP sweeps in the vicinity of | | Saturn's inner magnetosphere. | | | |- [TITAN] Plasma parameters derived near Titan | | | | | |- RPWS_LP_T_yyyyddd_Tnn_Vm.LBL | | |- RPWS_LP_T_yyyyddd_Tnn_Vm.TAB | | Label and ASCII table files containing plasma | | parameters including electron number density, | | electron temperature, and spacecraft potential, | | derived from RPWS LP sweeps in the vicinity of | | Titan. | |- [DOCUMENT] Instrument paper, RPWS calibration document, | RPWS users' guide. | |- [INDEX] Volume index of archive products. ============================================================================= Contacts ============================================================================= The person most directly responsible for the construction and release of this archive volume is Mr. Steven Joy. He was the PPI Node Data Administrator at the time this volume was created and understands as much about the volume structure and data organization as anyone. Other PPI personnel who may be aware of issues related to this archive volume include Dr. Jan-Erik Whalund, Dr. William Kurth, and Dr. Raymond Walker, the PDS/PPI Node manager. For questions or problems regarding this volume, please contact the PDS/PPI operator: Email pds_operator@igpp.ucla.edu Telephone (310) 206-6073 U.S. Mail PDS Operator c/o Dr. Raymond Walker 3845 Slichter Hall UCLA - IGPP Los Angeles, CA 90095-1567 For questions regarding PDS Standards or other archive volumes available from the PDS, please contact PDS Operator at the PDS Central Node (at JPL): Email pds_operator@jpl.nasa.gov U.S. Mail Planetary Data System, PDS Operator Jet Propulsion Laboratory Mail Stop 202-101 4800 Oak Grove Dr. Pasadena, CA 91109-8099 ============================================================================= Disclaimer ============================================================================= The PDS and the Planetary Plasma Interactions (PPI) Node in particular, assume no legal liability for errors on this volume. All users are encouraged to verify the "correctness" of the data prior to submitting any publications or other work based on these data. Errors on this volume should be reported back to the PPI Node of the PDS through the ERRATA reporting procedures described above. ============================================================================= Acknowledgements ============================================================================= These data were collected under the auspices of the Cassini Project. Donald A. Gurnett was the Radio and Plasma Wave Science Principal Investigator. The archiving effort at The University of Iowa was supported by L. Granroth and C. Piker. This archiving effort was supported by the Planetary Plasma Interactions Node of the Planetary Data System. Assistance was provided by J. Mafi of the University of California, Los Angeles. =============================================================================