These tools are currently available to everyone. In the future, tool users will be asked to register. This will help us to understand who is using the tools and assist in our efforts to improve them. Your feedback on these tools will help too.
Note: The HF and Digital HF Prediction tools are designed for modern browsers. IE 9 and earlier are not supported (nor is IE compatibility mode).
|HAP, Min-Max HAP, URSL, GRAFEX, Air Route, LAMP and Frequency selection.
|Digital HF Prediction
|Reliability and other features of digital HF radio.
Consult each tool's Help for more detailed information on how to operate the tool.