NASA - National Aeronautics and Space Administration
CASSINI RSS RAW DATA SET - SROC23 V1.0

 
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Data set abstract The Cassini Radio Science Saturn Occultation experiment (SROC23) Raw Data Archive is a time-ordered collection of radio science raw data acquired on July 24, 2016, during the Cassini Extended Extended Mission. The DATA_SET_ID 'CO-S-RSS-1-SROC23-V1.0' includes the following components: Instrument host (i.e., 'CO' for CASSINI ORBITER) Target (i.e., 'S' for Saturn) Instrument (i.e., 'RSS' for Radio Science Subsystem) Data processing level number (i.e., '1') Description (i.e., 'SROC23') Version number (i.e., 'V1.0') Two types of measurements were obtained; these are known as closed-loop and open-loop recordings. The closed-loop system uses a phase-lock loop in the receiver to track the downlink signal, reporting both amplitude and frequency 10 times per second. In the open-loop system, the signal is simply converted to a baseband frequency range; the entire passband is sampled and recorded at 16000 samples per second. The data set includes three primary data types. Tracking and Navigation Service Data Files (TNFs) are the most primitive (and most voluminous) product of the closed-loop system. Orbit Data Files (ODFs) are compressed versions of TNFs, specifically targeted to spacecraft navigators and scientists interested in gravity fields. Radio Science Receiver (RSR) files are the primary data type from the open-loop system.
Additional Information
Mission Information CASSINI-HUYGENS
Dataset Information CO-S-RSS-1-SROC23-V1.0
Instrument Host Information CO
Instrument Information RSS
Other Resources
   
Software, Documentation and Other Ancillary Information
    PDS_VERSION_ID = PDS3
    RECORD_TYPE = STREAM
    OBJECT = TEXT
    PUBLICATION_DATE = 2017-10-01
    NOTE = "Description of contents of DOCUMENT directory "
    END_OBJECT = TEXT
    END

    The DOCUMENT directory contains documentation on the archival data
    set and files within the data set.

    The files are:

    DOCINFO.TXT

    A brief description of the files within the DOCUMENT directory
    (this file).


    CASRSSIS.TXT

    SIS for the Cassini Radio Science Raw Data Archive.


    CK_MM_SIS_000614.TXT

    SIS for C-Kernel files (CKF).


    DORS_002_020501.TXT

    SIS for Path Delay files from AWVR 1 and AWVR 2.


    SPK_MM_SIS_000525.TXT

    SIS for Spacecraft and Planetary Ephemerides (SPK) files.


    TRK_2_21_950831.TXT

    SIS for Earth Orientation Parameters (EOP) files.


    TRK_2_23_000531.TXT

    SIS for Ionosphere Calibration files (ION)
    and Troposphere Calibration files (TRO).

    TNFSIS.ASC and TNFSIS.PDF
    SIS for TNF (TRK-2-34 Files).



    Files contained within the document directory:

    CASRSSIS.TXT

    CK_MM_SIS_000614.TXT

    DOCINFO.TXT

    DORS_002_020501.TXT

    SPK_MM_SIS_000525.TXT

    TNFSIS.ASC

    TNFSIS.LBL

    TNFSIS.PDF

    TRK_2_21_950831.TXT

    TRK_2_23_000531.TXT