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- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 definition "[Source: National Space Science Data Center, http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=1990-105A-03 ] The primary purpose of the ionospheric/scintillation monitor, SSI/ES, is to measure electron density and temperature, hydrogen and oxygen ion density and temperature, the power spectrum of plasma irregularities, and the velocity components of bulk plasma flow at satellite altitude. The experiment consists of four sensors. The electrostatic analyzer measures electron parameters at least 1 m above the satellite surface. The ion retarding potential analyzer has a body-mounted electrostatic trap with a circular aperture to measure ion density and temperature. The driftmeter uses a planar electrostatic ion trap with a four-quadrant collector. The current is measured in pairs of quadrants and differenced to provide plasma drift velocities. The scintillation monitor obtains power spectrum irregularities by an ion trap with electrometer and amplifiers capable of measuring direct and alternating current in the frequency range from 20 Hz to 12 kHz. Group: Instrument_Details Entry_ID: SSI/ES Group: Instrument_Identification Instrument_Category: Solar/Space Observing Instruments Instrument_Class: Particle Detectors Short_Name: SSI/ES Long_Name: Special Sensor Ionospheric Plasma Monitor End_Group Group: Associated_Platforms Short_Name: DMSP 5D-3/F15 Short_Name: DMSP 5D-2/F11 Short_Name: DMSP 5D-2/F10 Short_Name: DMSP 5D-2/F9 Short_Name: DMSP 5D-2/F8 End_Group Group: Spectral_Frequency_Information Spectral_Frequency_Coverage_Range: 20 Hz to 12 kHz End_Group Online_Resource: http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=1990-105A-03 Creation_Date: 2008-09-26 Group: Instrument_Logistics Instrument_Owner: Department of Defense-Department of the Air Force (United States) End_Group End_Group" @default.
- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 id "1654660" @default.
- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 path_id 02c354fd-8e2d-4825-b786-aa4b0782d1d6 @default.
- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 path_id 5f5e4f2c-61b7-4694-8680-3fc5799f6171 @default.
- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 path_id b2140059-b3ca-415c-b0a7-3e142783ffe8 @default.
- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 path_label "Instruments" @default.
- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 path_label "Particle Detectors" @default.
- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 path_label "Solar/Space Observing Instruments" @default.
- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 prefLabel "SSI/ES" @default.
- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 reference "" @default.
- 4d2b0afb-7bcf-4168-b4b9-3c8a85b0a6e4 tag "Instruments" @default.