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1) Alouette 2 electron density data maxmize
Resource ID:spase://VSPO/NumericalData/Alouette2/CEP/PT60S
Start:1966-02-21 00:00:00 Observatory:Alouette 2 Cadence:60 seconds
Stop:1967-02-16 00:00:00 Instrument:Cylindrical Electrostatic Probes Resource:NumericalData
Alouette 2 ionospheric electron density data at 1-5 min resolution

2) CNOFS PLP 1-sec plasma preliminary data maxmize
Resource ID:spase://VSPO/NumericalData/CNOFS/PLP/PT1S
Start:2008-05-09 00:00:00 Observatory:Communication/Navigation Outage Forecasting System (C/NOFS) Cadence:1 second
Stop:2008-09-14 18:34:58 Instrument:C/NOFS Planar Langmuir Probe (PLP) Resource:NumericalData
Plasma structures at 400-850km altitudes in the equatorial ionosphere have been measured by the C/NOFS Planar Langmuir Probe (PLP). This PLP data set contains 1-sec resolution ion number density and its standard deviation, electron density, electron temperature, spacecraft potential, and spacecraft position in geodetic coordinates. As of 5/13/2010, the data were preliminary.

3) CRRES electric field and convection drift data maxmize
Resource ID:spase://VMO/NumericalData/CRRES/LPI/PT30S
Start:1990-10-11 00:00:00 Observatory:CRRES Cadence:30 seconds
Stop:1991-10-13 00:00:00 Instrument:Langmuir Probe Instrument Resource:NumericalData
This data set includes the electric field and convection drift information from the CRRES spacecraft. The langmuir probe instrument data is at 30 s resolution. The files include the electric field vectors, elcetric field magnitude, and the convection drift vectors from both the spherical sensors and the cylindrical antennas.

4) Dynamics Explorer 2 Langmuir Probe (LANG) maxmize
Resource ID:spase://VMO/NumericalData/DE2/LANG/PT0.5S
Start:1981-08-05 00:00:00 Observatory:Dynamics Explorer 2 Cadence:0.5 seconds
Stop:1981-02-19 00:00:00 Instrument:Langmuir Probe (LANG) Resource:NumericalData
Dynamics Explorer 2 Langmuir Probe (LANG)

5) DE 2 500ms LANG Te and Ni Data maxmize
Resource ID:spase://VSPO/NumericalData/DE2/LANG/PT0.5S
Start:1981-08-05 00:00:00 Observatory:Dynamics Explorer 2 Cadence:0.5 seconds
Stop:1983-02-16 00:00:00 Instrument:Langmuir Probe (LANG) Resource:NumericalData
This data set contains electron temperatures and ion densities obtained at 500ms resolution from the DE 2 Langmuir Probe (LANG). Data are available in ASCII from nssdcftp and in CDF format from CDAWeb (as well as CDAWeb plots and lists).

6) DMSP SSIES Thermal Plasma ASCII Files and Browse Plots maxmize
Resource ID:spase://VSPO/NumericalData/DMSP_5D-2/SSIES/PT4.0S
Start:1995-03-29 00:00:00 Observatory:DMSP_5D-2 Cadence:4.0 seconds
Stop:2005-12-31 00:00:00 Instrument:SSIES Special Sensor Topside Thermal Plasma Monitor Resource:NumericalData
DMSP SSIES thermal plasma plots and ASCII files. Based on drift meter (IDM), retarding potential analyzer (RPA) and Langmuir probe instruments. 4-s resolution. Vx, Vy, Vz, Ti, Te and fractions of H, He, O. Numerous DMSP spacecraft

7) Explorer 22 Electron Density and Temperature Data maxmize
Resource ID:spase://VSPO/NumericalData/Explorer22/CEP/PT60S
Start:1964-10-10 00:00:00 Observatory:Explorer 22 Cadence:60.00 seconds
Stop:1967-08-26 00:00:00 Instrument:Langmuir Probe Resource:NumericalData
Explorer 22 (Beacon Explorer B) electron density and temperature data at 1-5 minute resolution, non-continuous, from Langmuir probe - cylindrical electrostatic probe

8) Explorer 31 Electron Density and Temperature Data maxmize
Resource ID:spase://VSPO/NumericalData/Explorer31/CEP/PT60S
Start:1965-10-29 00:00:00 Observatory:Explorer 31 Cadence:60.00 seconds
Stop:1968-08-20 00:00:00 Instrument:Cylindrical Electrostatic Probes Resource:NumericalData
Explorer 31 (DME-A) electron density and temperature data at 1-5 minute resolution, non-continuous, from Langmuir probe - cylindrical electrostatic probe

9) FAST AC Fields, ~5 sec resolution maxmize
Resource ID:spase://VWO/NumericalData/FAST/ACF/PT5S
Start:1996-08-30 02:02:17 Observatory:FAST Cadence:5 seconds
Stop:2002-10-25 00:11:32 Instrument:Electric Field and Langmuir Probe Experiment Resource:NumericalData
FAST AC Fields Key Parameter CDF files consists of AC Electric and Magnetic fields measurements spanning a range from approximately 32 Hz to 2 MHz. The time range of each file is roughly 24 hours and consists of several passes over the auroral zone of approximately 20 minute duration, the time resolution is one spin period (approximately 5s). The orbital period of FAST is 133 minutes.

10) FAST DCF Key Parameters maxmize
Resource ID:spase://VSPO/NumericalData/FAST/DCF/KP/PT5S
Start:1996-09-21 00:00:00 Observatory:FAST Cadence:5 seconds
Stop:2002-10-25 00:11:32 Instrument:Electric Field and Langmuir Probe Experiment Resource:NumericalData
This data set provides the 5-second (spin-averaged) FAST survey electric and magnetic field (Delta B) data within the low altitude auroral arc region. The three-axis searchcoil magnetometer (the AC magnetometer) provides measurement of structures and waves corresponding to ELF and VLF frequencies. Magnetic field power spectral densities are obtained between 10 Hz and 4 kHz on two axes, and from the third one that is sampled up to 2 MHz, the magnetic component of auroral kilometric radiation (AKR). Once the auroral electron precipitation is detected, survey data will shift from a slow to a fast survey mode at rates of 32 to 2048 samples per second. Slow survey data has ~0.06 s resolution, and fast survey, typically has ~0.5 ms resolution. There is a frequency-dependent sensitivity between 10^-8 and 10^-10 nT^2/Hz. Electric field power spectral densities are also provided for the same frequency ranges.

11) ISIS 1 Electron N and T data maxmize
Resource ID:spase://VSPO/NumericalData/ISIS1/CEP/PT60S
Start:1969-01-30 00:00:00 Observatory:ISIS 1 Cadence:60 seconds
Stop:1971-06-01 00:00:00 Instrument:Cylindrical Electrostatic Probes Resource:NumericalData
ISIS 1 ionospheric electron density and temperature data at 1-5 min resolution

12) ISIS 2 Electron N and T data maxmize
Resource ID:spase://VSPO/NumericalData/ISIS2/CEP/PT6S
Start:1971-04-14 00:00:00 Observatory:ISIS 2 Cadence:6 seconds
Stop:1973-03-31 00:00:00 Instrument:Cylindrical Electrostatic Probes Resource:NumericalData
ISIS 2 ionospheric electron density and temperature data at 6 sec resolution

13) Pioneer Venus Orbiter(PVO) hourly averaged plasma data maxmize
Resource ID:spase://VSPO/NumericalData/Pioneer_Venus/OPA/PT1H
Start:1978-05-21 00:00:00 Observatory:Pioneer Venus Orbiter Cadence:1 hour
Stop:1992-10-07 00:00:00 Instrument:Retarding Potential Analyzer (ORPA) Resource:NumericalData
This data set holds hourly data for the interplanetary solar wind near Venus from the Plasma Analyzer (OPA) experiment on the Pioneer Venus Orbiter spacecraft. Data coverage includes cruise (enroute to Venus from Earth, May - Dec. 1978) and orbital (Dec. 1978 to Oct. 1992) mission phases up through loss of telemetry on Oct. 8, 1992 before atmospheric entry. The data consist of hourly-averages of the derived plasma parameters for every spectrum returned by the OPA. Each record consists of the spacecraft ID, the date of the record, the hour of the day (spacecraft event time) at the start of the record, reserved (but not used) space for the magnetic field and its azimuthal and polar angles, the proton temperature (K), and the plasma density (cm-3), bulk speed (km/sec), and azimuthal and polar flow angles (degrees). Also included in each record is the RMS dispersion of the derived, averaged quantities. Measurements made inside the Venusian bow shock were mostly excluded. The ASCII hourly data here are described in plain text files (*.txt). Orbital data in heliocentric or Venus-centered coordinates are provided with both datatypes. The hourly data may also be browsed, plotted, and retrieved through the COHOWeb data system. Merged solar wind magnetic field and plasma data from PVO, transformed into more convenient heliographic/RTN coordinates, are available in COHO directory PIONEER_VENUS/MERGED.

14) San Marco-DL Electric Field AC and DC Data maxmize
Resource ID:spase://VSPO/NumericalData/SanMarco-DL/EFI/PT0.5S
Start:1988-04-20 00:00:00 Observatory:San Marco-DL Cadence:0.5 seconds
Stop:1988-06-19 07:00:00 Instrument:3-Axis Electric Field Instrument (EFI) Resource:NumericalData
This San Marco D/L Electric Field Experiment (EFI) data set was provided by the PI team on 12 magnetic tapes in ASCII format and constitutes the final EFI archiving product (filename: yymmddhhmm.dc). The data from the first tape are available online in this directory. The following parameters have been archived: (A) DC electric field (8 points per second) along the X and Y axes in spacecraft coordinates; (B) Variational (AC) electric fields averaged at 0.5 second intervals for all channels of each of the three spectrometers; (C) Some orbital parameters such as the altitude of the satellite, the geographic longitude and latitude, the local solar time and the dip latitude, and a day/night flag for the DC data; (D) Non- reduced plasma ion densities measured by the Ion Velocity Instrument (IVI). The DC portion of the EFI experiment is only valid for non-reduced IVI data > 2.5 volts corresponding roughly to an electron density of 10^4 electrons per cubic centimeter. Note that the AC data is valid at all plasma densities. More details can be found in the acformat_sfdu.txt and the voldesc_sfdu.txt files. Both of these files are ASCII text files. Further details about the San Marco spacecraft, experiment, and data sets can be found at the San Marco home page, http://crpsm.psm.uniroma1.it/

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