41.   In California, each condor is released with a radio transmitter on each wing.

42.   In the base is a microchip linked to a tiny radio transmitter.

43.   It also has a contract with the WhereNet Corp. to buy miniature radio transmitters.

44.   Last year Priscilla shed a collar carrying a tiny radio transmitter, but one of her yearlings still bore a transmitter.

45.   Leasing charges on radio transmitters for FM radio stations have been hiked.

46.   No matter where the bears are let go, the Game and Fish will track their progress by radio transmitters, seeing if they adapt.

47.   On the ground, radio transmitters would send navigational signals to missile interceptors heading for battle.

48.   Once radio transmitters become cheap enough, Poor also has ideas for equipping individual Federal Express packages and FedEx drop boxes with chips to communicate the location of packages.

49.   One uses amplifiers and antennas similar to radio transmitters, but they shoot concentrated microwaves.

50.   Only when a shooter puts on a special wristband containing a tiny radio transmitter does a squeeze of the trigger fire the weapon.