Privacy policy

This is a translation for convenience. The German Datenschutzerklärung is the legally binding version.

Controller

In short

The application needs no account, sets no cookies, uses no analytics or tracking services and loads no content from third party servers. All calculations (satellite orbits, passes, Moon and EME) run in your browser.

Visiting the website

When you visit, your browser transmits technically necessary data to the server, in particular the IP address, date and time, the requested address and the browser identifier. This data is needed to deliver the page and to keep the service secure (Art. 6 (1) (f) GDPR, legitimate interest in a secure and functioning service).

The application itself does not write an access log. The upstream web server (reverse proxy) may log requests to defend against attacks and for troubleshooting. Such logs are deleted after 14 days at the latest and are not combined with other data or passed on to third parties.

Storage in your browser

Your settings (location as QTH or locator, minimum elevation, favourites, list filters, time zone, language, last opened view, EME band and the last DX station entered) are stored only in your browser's local storage (localStorage) so that they are available on your next visit. They are not sent to the server. You can delete them at any time in your browser settings (clear site data).

Location

The ⌖ button lets you take your location from your device. This only happens after you explicitly allow it in your browser (Art. 6 (1) (a) GDPR). The coordinates are only used and stored in your browser and are not sent to the server.

External data sources

The server itself downloads and caches orbital data, satellite information and images from CelesTrak, the SatNOGS DB and NASA/JPL Horizons. Your browser has no contact with these services and your IP address is not passed to them. Only when you click a link to an external website do you leave this service; the privacy policy of the respective provider applies there.

Your rights

You have the right of access (Art. 15 GDPR), rectification (Art. 16), erasure (Art. 17), restriction of processing (Art. 18) and objection (Art. 21), as well as the right to lodge a complaint with a data protection supervisory authority, for example the State Commissioner for Data Protection of Saxony-Anhalt. An email to the address above is sufficient for any request.

Last updated: November 2026