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116 results for “Radio Science”
Radio Science observations of Mars Express and Tianwen-1 spacecraft from the 2021 Maritan Solar Conjunction
<p>Phase scintillation dataset from the 2021 Martian solar conjunction is contained in the DATA.zip file. The Read Me pdf file contiants information useful to understanding the file naming conventions and their contents.</p>
Venus Express IMA solar wind data for VeRa radio science observations
<p>The Venus Express (VEX) Analyser of Space Plasmas and Energetic Atoms (ASPERA-4)<br>ion mass spectrometer (IMA) observed the the pristine solar wind parameters<br>at Venus between 2006 and 2014. Details can be found in<br>Barabash et al. (2007) Planetary and Space Science, Vol. 55 (12), pp. 1772-1792<br>The Analyser of Space Plasmas and Energetic Atoms (ASPERA-4) for the <br>Venus Express mission.</p> <p>This file is based on the VEX_IMA_SW_NVP_20060101.cef data file provided<br>by M. Fränz (MPI for Solar System Research, Goettingen, Germany) and contains only those ASPERA-4<br>solar wind observations used in the publication Peter et al. (2024) Icarus<br>The variability of the topside ionospheres of Venus and Mars<br>as seen by recent radio science observations (Appendix A4 Fig. 2).</p> <p>Data are based on hourly average IMA spectra obtained when VEX was at larger distance than<br>1 Venus radius from nominal bow shock (Martinecz 2009, PhD). Density and total velocity<br>are obtained by integration over the IMA_EXTRA proton spectrum. Dynamic pressure<br>by product of density and velocity. This file contains only orbits used for VERA analyis.</p>
Supporting material for Petricca et al. (2024), "Gravity and Radio Science Investigation at the Moons of Uranus to Reveal Subsurface Oceans and Characterize Interior Structures", JGR: Planets
<p>This archive contains the supplementary material for the paper "Gravity and Radio Science Investigation at the Moons of Uranus to Reveal Subsurface Oceans and Characterize Interior Structures", JGR: Planets</p> <p>Content of the dataset:</p> <ol> <li>Synthetic gravity fields for Ariel and Titania generated in the study</li> <li>SPICE kernels of the trajectory of the Uranus Orbiter and Probe designed at JPL</li> </ol> <p> </p> <p>---------------------------------------------------------------</p> <p>Synthetic gravity fields</p> <p>---------------------------------------------------------------</p> <p>The gravity fields are generated following the procedures described in Section 2.1.2 of the main paper. The hydrosphere thickness is assumed to be 190 km and 220 km for Ariel and Titania, respectively. The ocean density is fixed at 1050 kg/m^3. The syntethic topography is generated with pyshtools (Wieczorek and Meschede, 2018). The label of the file indicates the amplitude of the topography of each interface (ice shell or ocean floor) and the maximum degree of the spherical harmonics expansion. The files are formatted according to the Spherical Harmonics ASCII Data Record (SHADR) standard.</p> <p>The header of each file contains: reference radius (km), GM (km^3 / s^2), uncertatinty in the GM (not used and set to zero), maximum degree <em>l </em>of the<em> </em>expansion, maximum order<em> m </em>of the expansion, normalization (0 for unnormalized, 1 for 4pi normalization), reference latitude, reference longitude</p> <p>The columns contain: degree <em>l</em>, order <em>m</em>, coefficient C_<em>lm</em>, coefficient S_<em>lm</em></p> <p>---------------------------------------------------------------</p> <p>UOP trajectories</p> <p>---------------------------------------------------------------</p> <p>The reference positions and velocities of the UOP were generated by Damon Landau (JPL) as part of an internal study at JPL. These initial positions and velocities were numerically integrated by Flavio Petricca (JPL) using the dynamical models described in the main paper. For this reason, the trajectories only cover +- 8 hours from closest approach with each moon and not the entire tour.</p> <p>The ID of the spacecraft is set to -999. The simple text kernel provided here (id_name_map.txt) can be loaded in the kernel pool to associate the ID code with the SPICE names 'URANUS ORBITER PROBE' and 'UOP' for a more explicit and user-friendly access to the trajectories.</p>
Numerical data for Figures in Radio Science paper entitled "Flatness Error Compensation of Large Near-Field Scanning Frame Based on Cubic Spline Interpolation"
<p>Data format is EXCEL</p>
Data attached to Radio Science paper "Model to Scale Rain Attenuation Time Series with Link Elevation Angle for LEO Satellite Based Systems"
<p>Data attached to Radio Science paper "Model to Scale Rain Attenuation Time Series with Link Elevation Angle for LEO Satellite Based Systems"</p>
Data of the paper "A Technique for the Array Partitioning" submitted to Radio Science
<p>Data set of the case A of the paper. The .mat file contains the data, and the .m file uses the data to get the figures of the paper. </p>
Datasets related to the paper for Radio Science Special Section GASS2023 (Paper #2024RS008022)
Open the record for dataset details and reuse information.
MESSENGER V/H RADIO SCIENCE SUBSYSTEM 1 EDR V1.0
This data set contains archival raw, partially processed, and ancillary/supporting radio science data acquired during the MESSENGER mission. The radio observations were carried out using the MESSENGER spacecraft and Earth-based receiving stations of the NASA Deep Space Network (DSN). The observations were designed to be part of a data set that is of sufficient quality and quantity to generate high-resolution gravity field models of Mercury. Of most interest are likely to be the Orbit Data Files in the ODF directory. The data range from 2006 to 2014; there are gaps in the data.
MRO MARS RAW RADIO SCIENCE 1 V1.0
This data set contains archival raw, partially processed, and ancillary/supporting radio science data acquired during the Mars Reconnaissance Orbiter (MRO) mission. The radio observations were carried out using the MRO spacecraft and Earth-based receiving stations of the NASA Deep Space Network (DSN). The data set was designed primarily to support generation of high-resolution gravity field models for Mars and secondarily for estimating density and structure of the Mars atmosphere. Of most interest are likely to be the Orbit Data Files and Radio Science Receiver files in the ODF and RSR directories, respectively, which provided the raw input to gravity and atmospheric investigations, as well as the ionospheric and tropospheric media calibration files in the ION and TRO directories, respectively.
NEAR EROS RADIO SCIENCE DATA SET - EROS/FLYBY V1.0
The NEAR Eros Radio Science Data Set is a time-ordered collection of raw and partially processed data collected during the NEAR flyby of minor planet 433 Eros.
NEAR MATHILDE RADIO SCIENCE DATA SET - MFB V1.0
The NEAR Mathilde Radio Science Data Set is a time-ordered collection of raw and partially processed data collected during the NEAR flyby of minor planet 253 Mathilde.
PVO VENUS RADIO SCIENCE OPENLOOP ODR VERSION 1.0
The DSP-R is a computer-controlled subsystem that digitally samples a received spacecraft signal (both X and S-band) through the use of four analog-to-digital (A-D) converters. The digitized samples, along with the monitor data necessary to reconstruct the signal, are recorded on tape, and/or transmitted in realtime to SFOC. Analysis of variations in the amplitude, phase, and frequency of the signal provides information on the ring structure, atmospheric density, magnetic field, and charged-particle environment of planets which occult the spacecraft. Additionally, this signal is needed for gravity wave detection.
MARS EXPLORATION ROVER 1 RADIO SCIENCE SUBSYSTEM EDR V1.0
The Mars Exploration Rover 2 (MER1) Radio Science (RS) data archive contains raw radio tracking data collected during the surface lifetime of the MER1 Rover. The data contain potentially valuable information on the rotation dynamics of Mars, extending the previous data available from the Viking and Mars Pathfinder landers. For more information on the earlier investigations see [FOLKNERETAL1997A].
GIOTTO RADIO SCIENCE ORIGINAL EXPERIMENT DATA V1.0
The Giotto Radio Science Original Experiment Data Set includes two types of data -- an Archival Tracking Data File (ATDF) from closed loop receivers and Original Data Records (ODRs) from open loop receivers.
Radio Science Documentation Bundle
This bundle contains documentation about data products that are collected using radio science and supporting equipment. With one exception, each member collection contains one or more versions of a single Software Interface Specification (SIS) or an equivalent document. A SIS describes the format and content of a data file at a granularity suffient for use -- typically byte-level, but sometimes bit-level. Examples of products and descriptions of their use may also be included in a collection, as appropriate. The exception is the DOCUMENT collection, which contains supporting material -- usually journal publications, technical reports, or other documents that describe investigations, analysis methods, and/or data but not at the level of a SIS. Members of the DOCUMENT collection were usually released once, whereas a SIS often evolves over many years.
VO2 MARS RADIO SCIENCE SUBSYSTEM RESAMPLED LOS GRAVITY V1.0
Line of sight (LOS) gravity data were obtained as part of the Radio Science Experiment by tracking 79 orbits of the Viking Orbiter 2. The data set consists of a table with the following columns: spacecraft latitude, longitude (degrees), accelerations, and altitude (km). The acceleration data were determined from differentiation of raw Doppler residuals and are expressed as units of mm/s**2. To obtain LOS gravity in milligals, accelerations need to be multiplied by 100. An acceleration of 1.20 mm/s**2, therefore, corresponds to 120 mgal, a large gravity anomaly.
MGS RADIO SCIENCE -- SCIENCE DATA PRODUCTS V1.0
This data set contains archival results from radio science investigations conducted during the Mars Global Surveyor (MGS) mission. Radio measurements were made using the MGS spacecraft and Earth-based stations of the NASA Deep Space Network (DSN). The data set includes high-resolution spherical harmonic models of Mars' gravity field generated by groups at the Jet Propulsion Laboratory and Goddard Space Flight Center, covariance matrices for some models, and maps for some models; these results were derived from raw radio tracking data. Also included are profiles of atmospheric temperature and pressure and ionospheric electron density, derived from phase measurements collected during radio occultations. The data set also includes analyses of transient surface echoes observed close to occultations during the first few years of MGS operations and a single set of power spectra acquired during a quasi-specular bistatic radar experiment in 2000. The atmospheric and surface investigations were conducted by Radio Science Team members at Stanford University. The data set also includes 93 line-of-sight acceleration profiles derived at JPL from radio tracking data collected near periapsis while Mars Global Surveyor was in its Science Phasing Orbit and below its nominal Mapping altitude of 400 km. The data were delivered to PDS in approximately chronological order at the rate of one CD-WO volume (typically 100 MB) every three months.
Cassini Orbiter Radio Science Subsystem Occultation and Electron Density
Derived data products from Cassini radio occultations at Titan and their accompanying documentation. Derived data products include: (A) time series of the frequency of the radio signal received at Earth during an occultation; (B) individual electron density profiles from occultations; (C) average electron density profiles from occultations; and (D) summary of average electron density profiles.
NEAR EROS RADIO SCIENCE DATA SET - EROS/ORBIT V1.0
The NEAR Eros Radio Science Data Set is a time-ordered collection of raw and partially processed data collected during the NEAR orbital mapping of the asteroid 433 Eros.
MRO RADIO SCIENCE DERIVED GRAVITY SCIENCE DATA PRODUCTS V1.0
This data set contains archival results from gravity investigations conducted during the Mars Reconnaissance Orbiter (MRO) mission. Radio measurements were made using the MRO spacecraft and Earth-based stations of the NASA Deep Space Network (DSN). The data set includes high-resolution spherical harmonic models of Mars' gravity field generated by groups at the Jet Propulsion Laboratory and Goddard Space Flight Center, covariance matrices for some models, and maps for some models; these results were derived from raw radio tracking data. Updates to the archive may include derived line-of-sight acceleration profile.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.