yes, you can absolutely do that. you can take any data format it for xml and serve it as rss. there are many tools online that are FREE. just have to read and pay attention. for some reason RSS cooktop or something to that affect comes to mind. there are also online sites where you can convert your static html or dynamic fed content to xml and serve it as rss.

Below is the legacy version of the Boonex site, maintained for Dolphin.Pro 7.x support.
The new Dolphin solution is powered by UNA Community Management System.