I'm not sure who the appropriate IT contact is at Arch Reactor these days, hence emailing to this list. I'm consulting for Elite Fiber, the ISP that provides service to Arch Reactor, and our monitoring system shows that we lost connectivity to the radio on Arch Reactor's roof around 9:58am today and it hasn't come back.
If the building is not experiencing a power outage or the radio is not down for some other reason known to you, and you'd like us to investigate why the radio is offline, please let us know.
Nathan Schrenk
Elite Fiber