Thanks. I wonder what percentage of the sky those larger SETI telescopes have looked at so far. I tried searching the SETI site, but had no luck. But anyway,

Thanks. I wonder what percentage of the sky those larger SETI telescopes have looked at so far. I tried searching the SETI site, but had no luck. But anyway, that's a small enough volume that it could plausibly be temporarily dead or quiet, as TFA argues.