Legal
Cookies
Last updated 14 Oct 2026
This website uses one cookie, and it is needed for the site to work, so we do not ask for consent. We use no advertising, analytics or tracking cookies.
| Name | What it is for | How long |
|---|---|---|
arc.sid |
Keeps you signed in, and protects forms against forgery | 14 days after your last visit |
If you choose a light or dark theme, your choice is kept in your browser's local storage (arc-theme). It never leaves your browser.
Signing in, buying and managing licences happen at account.arcturussdr.com, HamTEK's licence server, which sets its own cookies for sign-in. Payments are taken on our reseller's secure checkout, which sets the cookies it needs for that.
Our visitor statistics use no cookies at all: see the privacy notice.