Wiktionary
time-signal
n. (alternative form of time signal English)
Usage examples of "time-signal".
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.