Ionosphere Monitoring and Prediction Center


The IMPC disclaimer specifies or delimits the scope of rights and obligations that may be occur during the usage of the IMPC website and the IMPC products.

Personal data privacy

By accessing the DLR website or using other DLR online services such as mobile applications, certain information about users, such as internet protocol (IP) addresses, record of navigation through the site, software used and time spent, as well as similar information, will be stored on DLR servers. This information will not specifically identify users and the information will be used internally for website traffic analysis only. 


Cookies are small files that allow you to store specific information about the device on your access device (PC, smartphone, etc.). They serve for user-friendliness of web pages and thus also serve you (for by saving log-in data). On the other hand, they are used to record the statistical data of the website so that we are able to analyze them for the purpose of improving the offer. You can influence the use of cookies. Most browsers have an option that blocks out cookies or that restricts the storage of cookies. However, we would like to draw your attention to the fact that the use and, in particular, the usage comfort without cookies can be restricted.

Java Script

This site uses JavaScript to make certain operations on the site more user-friendly as well as navigation within the site. JavaScript is required to use the IMPC website. The simple scripting language JavaScript provides the user with various interaction possibilities, such as, for example, modify, reload or generate content. Your language core is standardized as ECMAScript (ECMA 262). For more information, see

General Privacy Policy

DLR takes your privacy seriously. The DLR is committed to protecting the privacy of all persons who use the sites, mobile applications or other online services the DLR, and to treat any personal information confidential. DLR will treat your data strictly confidential and not disclose it to anyone.


The information contained on the present webpage is given free of charge and for general information purposes only in order to get an overview on the scientific subject. No contractual relationship of any kind and no relationship comparable to a contractual relationship of any kind is engendered through this information between users of the webpage and DLR as the provider for the information. DLR makes no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the information given on this webpage, for any purpose whatsoever. Any reliance you place on such information is therefore strictly at your own risk. 
DLR cannot be held liable either for mistakes in editorial or technical aspects, nor for omissions, nor for the correctness of the content because of the information on the present webpage being free-of-charge and being of pure scientific nature. In particular, DLR does not guarantee completeness or correctness of information contained in external websites which can be accessed via links from DLR's websites. Despite accurate research on the content of such linked external websites, DLR cannot be held liable for their content. Only the content providers of such external sites are liable for their content. Should you notice any mistake in technical or editorial aspects of the DLR site, please do not hesitate to inform us. DLR declares to the best of its knowledge that at the time of linking, no illegal content could be identified on the linked pages. DLR as the content provider of the present webpage has no influence on the content, design or authorship of the linked / connected pages of others. Therefore DLR is not responsible and cannot be held liable for contents of linked / connected pages which were changed after having been linked by DLR. This applies to the content of the linked pages and references as well as entries placed by the other content providers on the linked pages such as in guest books, in discussion forums and in mailing lists. Only the content providers of such linked pages and content as well as referenced content can be held liable for illegal, incorrect or incomplete content and particularly for damages arising from the use or disuse of such information.

Note on the legal form of cooperation

The cooperation of the partners within the IMPC has no independent legal personality. Only a scientific exchange is conducted between the research centers, organizations and universities listed as cooperation partners. A society or company-like relationship, association or similar legal subject is not engendered by the scientific cooperation. No co-operation partner is entitled to represent any other cooperation partner or all cooperation partners towards third parties.

Technical Maintenance

T-Systems Solutions for Research GmbH
Solution Center Internet & Electronic Publishing
Bunsenstr. 10
D-37073 Göttingen

E-Mail: DLR-Infomaster

Texts, photos, images, video and other copyrighted material – terms and conditions of use

The content providers are anxious to respect all copyrights in the graphics, sound files, video sequences and text documents and all rights in trademarks etc. belonging to third party copyright holders or proprietors or to use its own graphics, sound files, video sequences and text documents etc. or to use license-free graphics, audio, video clips and texts etc. Certain content such as images, photos, graphics, videos, sound files, text documents, trademarks etc. contained on this website originate from third party sources, copyright holders, originators, proprietors and authors which are cited in the reference or on the reference list. If you wish to use this third party content, please contact the respective third party copyright holder or proprietor for permission or licence of use. Certain third party content may have multiple copyright holders. In such cases, it is common practice and strongly advisable to apply the conditions of use of the third party copyright holder mentioned in the source reference. In cases of doubt, please contact this person or entity.

Certain images, photos, graphics or videos on the web portal originate from other sources. If you wish to use these images, photos, graphics or videos, please contact the copyright holder.

Certain images, photos, graphics or videos may have multiple copyright holders. In such cases, it is common practice to apply the conditions of use applied by the copyright holder mentioned in the source reference. In cases of doubt, please contact this person or entity. These images are identified accordingly.

Where expressly stated, DLR images are covered by a Creative Commons Attribution 3.0 Germany (CC BY 3.0) license. This license grants permission to reproduce or distribute the work, to make the work and/or its contents publically available, to alter or edit the work and/or its contents and to make commercial use of the work, provided that you explicitly mention DLR as its source in a clearly legible format. Examples: ‘Photo: DLR, CC-BY 3.0’, ‘Images: DLR, CC-BY 3.0’, ‘Video: DLR, CC-BY 3.0’.

The license has no influence on the following rights:

The Creative Commons license does not extend to the DLR logo, its constituent elements or other elements of DLR's corporate visual identity such as the "blue marble". The DLR logo must not be used by persons who are not DLR employees or who have not been granted permission for its use by DLR.

The rights to which everyone is entitled through copyright law or legal permission (in some countries, established as the fundamental doctrine of fair use); the copyright entitlements of the legal owner; rights of other persons, either with regard to the object of the license itself or in reference to its use, for example the personal rights of photographed persons.

Note: In the event of distribution, you must notify others of all license conditions applicable to this work. You will find detailed information and a legally binding license contract here.

Images by DLR not indicated 'CC-BY 3.0' are not licensed under the Creative Commons license model. Permission of use for these images and videos is granted as follows: They may be used by press and other media, or for personal information or educational purposes. Commercial use is subject to DLR permission.

Copy Rights

In case of questions concerning usage of images please refer to:
Dr. Jens Berdermann

In case of further questions concering DLR image material please refer to:

Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)
Communications; Department Crossmedia
Linder Hoehe
D- 51147 Köln

Telephone: +49 2203 601-2116
Facsimile: +49 2203 601-3249
E-Mail: bildredaktion [at]