from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative form of time signal.
from The Century Dictionary and Cyclopedia
- n. A signal operated from an observatory to indicate the time of day to persons at distant points.
Sorry, no etymologies found.
How the Lithians modulated them to carry information-not only messages, but the amazing navigational grid, the planet-wide time-signal system, and much more-was something as remote from Ruiz%Sanchez 'understanding as affine theory, although Cleaver said it was all perfectly simple once you understood it.
At the end of that four minutes it would be time for station identification and a time-signal, and the divers eight-second flashes before other programs came on the air.