It seems FAST isn't a complete substitute for Arecibo. https://en.wikipedia.org/wiki/Five-hundred-meter_Aperture_Spherical_Telescope#Comparison_with_Arecibo_Ob

It seems FAST isn't a complete substitute for Arecibo. https://en.wikipedia.org/wiki/Five-hundred-meter_Aperture_Spherical_Telescope#Comparison_with_Arecibo_Observatory https://en.wikipedia.org/wiki/Five-hundred-meter_Aperture_Sp...