31.   But the radio signal it beams out is between a hundred and a thousand times weaker than those emitted by mobile telephones.

32.   Changes in a radio signal from the spacecraft should provide an indication of decelerations and the landing.

33.   Controllers were baffled when radio signals from the main antenna disappeared, indicating touchdown, then reappeared.

34.   Continuous radio signals from those satellites are used widely for navigation.

35.   Each ground station in the WAAS system will use tracking programs to compare the exact distance to a GPS satellite with the range implied by its radio signal.

36.   Each spike represents an incoming radio signal.

37.   Early radio signals and pictures from the robotic craft encouraged flight controllers here to proclaim success.

38.   DogWatch has switched from the standard AM radio signal to a more precise FM signal for its transmitters to avoid that problem.

39.   Each driver uses a transmitter that converts hand movements to radio signals on a specific frequency.

40.   Every second, the transceiver polls the vests for new information by sending a radio signal to and from each vest and each base.