Having opened a Discord Server for a company in the past, $200k is about right for something of this size. KQED has the most-tech savvy listener population of a US radio station (the local NPR for SanFran and surrounding area)
Paying people to moderate it real-time will probably be most of the cost.
That’s gonna suck for everywhere except California and New York. Go look at a map of Federal spending and you’ll discover that the Red states need the rest of the county to prop them up.