Firefox add-on that allows you to view the HF propagation conditions.
Version: 0.73.16HF radio propagation status displayed in your browser status bar. Shortwave radio enthusiasts, ham radio operators and others can use this to monitor solar conditions that impact radio propagation.
Operating System: Mac OS X
Propfire is a web browser extension that allows users to view HF propagation conditions on their web browser status bar. Ham Radio operators and other shortwave radio enthusiasts will be able to monitor propagation conditions using this Firefox extension.
You should notice the solar propagation information circled in the image above. This data is retrieved from the NOAA website and is periodically updated in your browser as you surf the web. (assuming you are using Firefox).