1. Data Controller
Responsible for data processing on this website:
Michael LinderCallsign/Nickname: OE8YML
Nötsch 219, 9611 Nötsch
Österreich
E-Mail: [email protected]
2. Purpose of Data Processing
This website serves as a voluntary guestbook for the amateur radio net DMR Runde.
This is not a logbook, not a social network, and not a tracking tool. It is a data-minimal, voluntary guestbook.
3. Legal Basis
Your data is processed based on your voluntary consent according to Art. 6(1)(a) GDPR.
4. Collected Data
When using the guestbook, the following data is stored:
- Callsign/Nickname: Your entered amateur radio callsign
- Message: Your entered greeting message (max. 300 characters)
- Timestamp: Date and time of the entry
5. Data Not Collected
The following data is explicitly not stored:
- IP addresses (only used temporarily for spam protection, not logged)
- Cookies (except technically necessary session cookies)
- Tracking or analytics data
- Location data
- Device information
6. Data Retention
Your entries are stored indefinitely as long as the guestbook is operated. You can request deletion of your entries at any time.
7. Your Rights
You have the following rights regarding your personal data:
- Right of access (Art. 15 GDPR): You can request information about your stored data.
- Right to erasure (Art. 17 GDPR): You can request deletion of your entries.
- Right to withdraw consent (Art. 7(3) GDPR): You can withdraw your consent at any time.
- Right to complain: You have the right to lodge a complaint with a supervisory authority.
8. Contact for Privacy Inquiries
For all inquiries regarding your data (access, deletion, withdrawal), please contact:
Please include your callsign in your inquiry so we can identify your entries.
9. Technical Security Measures
We implement technical measures to protect your data and prevent abuse:
- Input validation and sanitization
- Protection against automated requests (rate limiting)
- Encrypted transmission (HTTPS, if configured)
10. Cloudflare (CDN & Security)
This website uses services from Cloudflare, Inc., a US company providing Content Delivery Network (CDN), DDoS protection, and security services.
Processed Data
- IP addresses: For routing and security functions
- HTTP request data: Headers, URLs, and metadata
- Security information: For detecting and preventing attacks
Functions
- CDN: Caching and delivering static content from nearby servers
- DDoS protection: Protection against Distributed Denial-of-Service attacks
- SSL/TLS: Encryption of data transmission
- Security: Blocking malicious traffic and bot attacks
Legal Basis & Privacy
The use of Cloudflare is based on our legitimate interest in providing this website securely and efficiently (Art. 6(1)(f) GDPR).
Cloudflare is certified under the EU-U.S. Data Privacy Framework, ensuring adequate protection for data transfers to the USA.
For more information, see Cloudflare's privacy policy. Cloudflare Privacy Policy
11. Voluntary Participation
Using this guestbook is completely voluntary. You can participate in the radio net without leaving a guestbook entry. Your participation in the net is not tied to using this guestbook.
12. Changes to this Privacy Policy
We reserve the right to update this privacy policy as needed. The current version is always available on this page.
Last updated: January 2026