Sirix sent a time signal explaining when he would return.
A time signal is given when 15 minutes remain.
The watch was reading time signals from the same satellite that the museum's security system used.
I wish we could get a time signal from Earth.
At the end of the number there was a time signal followed by a commercial about a breakfast food.
This continued until the 1940s, when time signals began to be broadcast using the radio by the government.
Though its not the wrong position its just a less accurate time signal.
One sort of public time signal is a striking clock.
The 9:00 pm firing was later established as a time signal for the general population.
Since 1905 time signals have been transmitted by radio.
