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aareadme for Prognoz-7
This directory contains magnetic field data obtained in the outer
magnetosphere and in the solar wind by Prognoz 7 between 1978/11/11
and 1979/05/30.
The Prognoz 7 satellite was launched 30 October 1978 into an orbit with
perigee 500 km and apogee 203000 km, orbital period was 98 hours
The data were obtained by an SG-70 fluxgate magnetometer provided by
IZMIRAN's Space Magnetic Research Laboratory. The magnetometer had
a range of +/- 60 nT and an accuracy of about 0.3 nT.
It made one vector measurement every 10.24 sec.
Data files contain ASCII records with time information and magnetic field
and spacecraft position data in both GSE and GSM coordinate systems. Each
file has data for one day on day boundaries. A table of start/stop times
of continuous data is provided as prognoz6.tab. The files are named
pYYMMDD.pr6, showing year month, and day of data
Magnetic and position data format:
Word Format Description
1 I3 Year
2 I3 Month
3 I3 Day
4 I3 Hour
5 I3 Minute
6 I3 Second
7 F7.2 Btotal [nT]
8 F7.2 Bx [nT], GSE
9 F7.2 By [nT], GSE
10 F7.2 Bz [nT], GSE
11 F7.2 By [nT], GSM
12 F7.2 Bz [nT], GSM
13 F8.2 X [Re], satellite position, GSE
14 F8.2 Y [Re], satellite position, GSE
15 F8.2 Z [Re], satellite position, GSE
16 F8.2 Y [Re], satellite position, GSM
17 F8.2 Z [Re], satellite position, GSM
Note that an FTPHelper interface to this dataset, providing data
subsetting and and graphical browsing, is available at
"http://ftpbrowser.gsfc.nasa.gov/"
IZMIRAN contact persons V. Petrov (vpetrov@izmiran.rssi.ru) and
V. Styazhkin (sva@izmiran.rssi.ru)
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Acknowledgement:
Use of these data in publications should be accompanied by
acknowledgements of the Space Physics Data Facility(SPDF) and IZMIRAN at Moscow
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Related data and directories:
SPDF Data and Orbits Services
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SPDF Contact: Natalia Papitashvili ,
Please acknowledge NASA's Space Physics Data Facility for data usage.
Authorizing NASA Official: Dr. R.E. McGuire, Head, SPDF, NASA Goddard Space Flight Center
301-286-7794, e-mail: Robert.E.McGuire@nasa.gov
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