An add-on for Firefox that shows HF propagation conditions.
Not only is this extension useful for monitoring propagation conditions, but it's also easy to use. Simply install the extension on your Firefox web browser and start viewing solar propagation information circled in the image above. This data is retrieved from the NOAA website and is periodically updated as you surf the web.
Overall, Propfire is a great tool for anyone who wants to stay on top of HF radio propagation status. With its simple interface and easy-to-use features, it's definitely worth checking out.
Version 0.73.16: N/A