Space Weather Euro News Vol.4 Issue 16 (15-09-2000) 

Table of Contents: 
1.Opening of the CLS operational space weather service
2.Call for Papers for the 7th Spacecraft Charging Technology Conference
3.Vacancies in Space Environments and Effects Analysis at ESA 
4.Some ESA Tender Actions from ESA EMITS
   \"/          *                                            SPACE WEATHER
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*****************************************************************  1. Opening of the CLS operational space weather service
From: JY Prado-CNES / A. Blusson-CLS 
e-mail:   /

Opening of the CLS operational space weather service.

At the end of last year, the Paris-Meudon Regional Warning Center of ISES (the International Space Environment Service) had to terminate its solar and geomagnetic forecast service. The daily predictions have been transfered to SIDC (Sunspot Index Data Center located at the Royal Observatory of Belgium) for public and scientific needs and to CLS (a commercial CNES subsidiary company) at Toulouse for space agencies and commercial needs.

During the Space Weather week in Boulder, a decision from the ISES Directing Board meeting held on 6 May, 2000 approved that the SIDC take over most of the activities previously performed at the observatory of Meudon and accepted the Collecte Localisation Satellite (CLS) as an associated member reporting to SIDC.

Since january 1st, CLS is performing daily forecast of F10.7 and Ap parameters for the following two weeks. These informations are available for registered users.

Starting from october, a new data release policy will be adopted:
- free access from anonymous users to the forecast for the coming two days and indices 
- free release to registered users of the forecast for the day and next day
- paying services for identified users. The already existing service is the forecast of F10.7 flux and Ap indices for the coming 15 days. Additional or different data products can be offered. 
Contact Annick Blusson ( for inquiring about the commercial and technical matters.

A report about the first semester of forecast performances is available (in French) and can be asked to Jean-Yves Prado (

2. Call for Papers for the 7th Spacecraft Charging Technology Conference
From: Alain Hilgers                                         e-mail:

7th Spacecraft Charging Technology Conference 2001: A Spacecraft Charging Odyssey 

Hosted by the European Space Agency at the ESTEC Conference Centre Noordwijk, The Netherlands
23-27 April 2001

Conference web site:


Spacecraft electrostatic charging was probably the first recognized problem-causing spacecraft-plasmainteraction process. This motivated the start of this series of conferences. Spacecraft charging remainsan important driver for space technology. Furthermore, several other aspects of the spacecraft plasma-interaction have been discovered and are now of interest from a scientific standpoint. The purpose of this 7th conference is to provide a forum to discuss the overall aspects of spacecraft plasma interactions and their impact on spacecraft technology and space plasma science instrumentation.


Key toics include:

Spacecraft charging and electrostatic sheaths; 

Spacecraft charging environments including relationships to "space weather"; 

In flight investigations and instrumentation (observations of charging, discharging and environments; instrument calibration issues); 

Spacecraft anomalies and other effects; 

Penetrating electrons and effects; 

Charging of dust and debris; 

Arcing, including "secondary arcs" and stimulated discharge; 

Active devices (e.g., tethers, high voltage systems, electric thrusters, plasma contactors... ); 

Numerical and quantitative methods; 


Material characterisation including passive charging control and new materials;

Engineering procedures, standards & guidelines; 

Policy issues (Business, Collaboration, Standardisation, Insurance, IP, Technology transfer,...); 


Submission of abstracts: 15 October 2000
Notification of acceptance: 15 November 2000
Issue Programme: 15 January 2001
Conference: 23-27 April 2001


European Space Agency
Centre National d'Etudes Spatiales, F
Defense and Evaluation Research Agency, UK
National Aeronautics and Space Administration, US

*****************************************************************  3.Vacancies in Space Environments and Effects Analysis at ESA
From: E. Daly                                                     e-mail:

Applicants from ESA member states with suitable education are welcome:

*****************************************************************  4. Some ESA Tender Actions from ESA EMITS

        (Open from 31/08/2000 to 12/10/2000, Act.Ref.: 00.117.02) 

       (Open from 30/08/2000 to 11/10/2000, Act.Ref.: 00.117.01) 

       (Open from 24/08/2000 to 13/10/2000, Act.Ref.: 00.117.04)

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 Programme Directorate 
 Michael Rycroft, ISU 
 Volker Bothmer, EGS-Solar Physics Secretary 
 Wolfgang Baumjohann, MPE-German Representative 
 Jinbin Cao, Chinese Space Weather Activity Representative 
 Barbara Poppe, NOAA Space Environment Centre 

- SWEN archives are also available on:     

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

- To subscribe to the newsletter send your email address to:

- Please update your e-mail address if it has been changed. 
Please send both your new and old e-mail address to the editor for easier 
updating of your file. 
We are looking forward to receiving your inputs. 
The SWEN editor 

Alain Hilgers 

Jean-Baptiste Alberico