internet radio

I'm interested in finding out more about how to use HAM to connect to the internet for Emergency Communications during a mass casualty event whereby the local internet connectivity is knocked out. Is there a forum here that deals with this? (I looked and didn't see such).

Please forgive me if the answer has been previously posed..I simply can not find it. I purchased a Grace Bravado - X Internet radio. I love the device and for the most part, selected feeds ( mostly air traffic control and a few public service feeds already in their database, I have been unable...