Jakob had pointed out that most of the network was down.  (I've been on vacation and hadn't been monitoring.)  Apparently stations went down in the last lightning storm (again!), either Fri or Sat.  I just:

Of course, this is now <tear down>, so we shouldn't be working to <maintain> the network.  Nevertheless, several groups are still running, using this period for post-cals, etc.  Eventually, DTU will rework the network for operation after we are gone.