11.   One method is to locate calls by measuring the time it takes the signal to reach three nearby cell sites.

12.   The satellites send out radio signals to receivers that pinpoint their position by computing how long it took the signal to reach them.

13.   The signal almost reaches the state line.

14.   The times for all mission events are given as the times the signal reached Earth.

15.   The touch signal reaches the brain in a few hundredths of a second while the pain signal reaches the brain a second or two later.

16.   These fees are determined by the size of the audience that the radio signals reach.

17.   Those signals swiftly reached a cramped white van parked outside the arena where they became television graphics and data for ABC Sports.

18.   Its signal reaches almost all of the former Soviet Union.