Geotail - Electric Field Detector (EFD)


PI of the experiment or contact person Koichiro Tsuruda
Institute of the PI or of the contact person (country) ISAS        (JPN)
E-mail of the PI or of the contact person tsuruda@fujitubo.gtl.isas.ac.jp
Type of experiment 2 orthogonal double probes, each of which is a pair of separated spheres
on wire booms that are located in the satellite spin plane and whose difference
of potential is measured. The separation distances between the pair of sensors
are variable and as great as 160 m tip-to-tip.
References about the experiment Electric Field Measurements on the GEOTAIL Satellite (E29.2)
Link(s) to Web site(s) http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1992-044A&ex=5
http://www-spof.gsfc.nasa.gov/istp/geotail/geotail_inst.html
Start experiment operation (dd-mm-yyyy) 24-07-1992
End experiment operation (dd-mm-yyyy) *****
Lifetime of the experiment (month) *****
Highest data rate 65 kbps
Preliminary results The morningside low-latitude boundary layer as determined from electric
and magnetic field measurements on GEOTAIL (R29.2)
Measured data (k, w, Bo, E(t), B(t), polarisation, Vphase, ...) Vector electric field
Data range DC - 40 Hz
± 90 V
Sensitivity ?????
Time resolution 64 s
Sampling rate ?????
Data formats and supports CD-Rom
Location of the data NSSDC and Online (CDAWeb and ftp://pwgdata.gsfc.nasa.gov/)
References about the data http://ndads.gsfc.nasa.gov/arms/archives_Geotail.holdings
High-resolution data (support, place, contact) ?????