Space Weather Euro News Vol.4 Issue 7 (27-03-2000)

Table of Contents:
1. ESA Space Weather Programme Study
2. STORMS Assessment Study in progress
3. Workshop on Multipactor, RF and DC Corona,  and Passive
     InterModulation in Space RF Hardware
4. Space Weather Session at EGS, Nice, France
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1. ESA Space Weather Programme Study
From: E. Daly                                            E-mail:

Following the invitation to tender for an ESA space weather
programme study,and evaluation of the proposals received,
ESA has decided to award parallel contracts to two
international consortiums. One consortium is lead by Alcatel
Space Industries and the other one by Rutherford Appleton
Laboratory. The studies will examine in detail the need for
and implementation of an ESA and/or other European space
weather programme, including space and ground segment
definition. More informations related to these studies will
be available with forthcoming SWEN issues and on a www site
dedicated to the project.

2. STORMS Assessment Study in progress
From: H. Koskinen                                     E-mail:

One of the about 40 responses to the Call for Proposals for the next
two flexi missions (F2 and F3) was the STORMS mission proposed H.
Koskinen (FIN), M. Candidi (I), M. Grande (UK), G. Haerendel (D),
J. Lemaire (B), R. Lundin (S), H. Reme (F), K. Szegö (HUN), and P.
Triska (CZ). After the review process by the SSWG of ESA in
February, the SSAC recommended the mission among 5 other
proposals for an assessment study (see

The proposed STORMS mission consists of three spacecraft on
equatorial elliptical orbits with a low-altitude perigee and the apogee
at 8-9 Re. The lines of apsides should be in different directions,
preferably separated from each other by 120 +/- 20 degrees. The main
scientific objectives of the mission are summarized as
- growth and decay of the ring current and the role of ionospheric
oxygen thereupon
- relationship of different currents systems on ground-based
determination of storms
- storm-substorm relationships
- physical mechanisms for injection of particles to the radiation belts
- forecasting of storms for space weather purposes
In order to address these topics, the strawman payload consists of
instruments measuring both charged and neutral particles, magnetic
and electric fields, and waves. Particular emphasis is given to the
energetic neutral atom (ENA) imaging from different simultaneous
vantage points which will give unprecedented possibilities for
understanding the dynamics of the ring current which is the key
element of the magnetospheric storms.

The assessment study was kicked-off on 22 March at ESA
Headquarters. The study scientist is Trevor Sanderson from ESTEC.
The results of the assessment study will be presented to the scientific
community on 12 September 2000 in Paris and the SPC will make the
final selection at its meeting on 11 and 12 October. If STORMS will
be among the two selected missions, it will become a major asset to
the European space weather activities giving ESA a leading role in the
investigation of some of the very key issues in the physics of space

Hannu Koskinen
Finnish Meteorological Institute and University of Helsinki

3. Workshop on Multipactor, RF and DC Corona,
   and Passive InterModulation in Space RF Hardware
From: E. Daly                                                E-mail:

The first announcement and call for papers of the
"Workshop on Multipactor, RF and DC Corona, and
Passive InterModulation in Space RF Hardware" is now
available on:

4. Space Weather Session at EGS, Nice, France
From: M. Hapgood              E-mail:

The programme for the Space Weather session (ST19) at the European
Geophysical Society's annual meeting is now available on the Web, see: for the oral papers for poster papers

The session will take place on 25 April 2000 at the Acropolis Centre in
Nice. See the meeting web site for information on meeting arrangements,
registration, hotels and travel to Nice. See Note that on-site
registration is available.


Note: This newsletter is an initiative of the ESA Space Systems Environment Analysis Section
and is intended to establish a prototype of a potential
mailing list or forum with news of interest for the Space
Weather community in Europe.

- SWEN contact group (which keeps SWEN informed of news coming from
  other channels)is currently:

 Eamonn Daly, ESA (excluding science programme)
 Richard Marsden, ESA science programme
 Maurizio Candidi, CNR
 Paul Cannon, URSI-Commission G
 Mike Hapgood,  EGS
 Hannu Koskinen, SCOSTEP working group on Space weather
 Pierre Lantos, ISES
 Henrik Lundstedt, Lund space weather center
 Goetz Paschmann, ISSI
 Jean-Yves Prado, CNES-ONERA working group on space weather
 Michael Rycroft, ISU
 Volker Bothmer, EGS-Solar Physics Secretary
 Wolfgang Baumjohann, MPE-German Representative

- SWEN archives are also available on:

- Please direct all replies and submissions to the
newsletter to:

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We are looking forward to receiving your inputs.

The SWEN editor

Alain Hilgers



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