The time-lag was roughly three seconds for a distance of 203.7 light-years.
There is, as a rule—in the economists' term—far too great a "time-lag" in the making of the best reputations.
Ewing draws attention to a curious consequence of this time-lag.
They don't understand how they can talk to us without even the time-lag between Earth and Lunar City.
That isn't much to depend ...