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  2. Radio control - Wikipedia

    en.wikipedia.org/wiki/Radio_control

    Industrial remote controls work differently from most consumer products. When the receiver receives the radio signal which the transmitter sent, it checks it so that it is the correct frequency and that any security codes match. Once the verification is complete, the receiver sends an instruction to a relay which is activated. The relay ...

  3. Radiosonde - Wikipedia

    en.wikipedia.org/wiki/Radiosonde

    The first known example was the electrocution of a lineman in the United States who was attempting to free a radiosonde from high-tension power lines in 1943. [ 14 ] [ 15 ] In 1970, an Antonov 24 operating Aeroflot Flight 1661 suffered a loss of control after striking a radiosonde in flight resulting in the death of all 45 people on board.

  4. First-person view (radio control) - Wikipedia

    en.wikipedia.org/wiki/First-person_view_(radio...

    Drone racer wearing FPV goggles and holding a radio controller. First-person view (FPV), also known as remote-person view (RPV), or video piloting, is a method used to control a radio-controlled vehicle from the driver or pilot's viewpoint.

  5. General Atomics MQ-9 Reaper - Wikipedia

    en.wikipedia.org/wiki/General_Atomics_MQ-9_Reaper

    The General Atomics MQ-9 Reaper (sometimes called Predator B) is an unmanned aerial vehicle (UAV, one component of an unmanned aircraft system (UAS)) capable of remotely controlled or autonomous flight operations, developed by General Atomics Aeronautical Systems (GA-ASI) primarily for the United States Air Force (USAF).

  6. Long-range optical wireless communication - Wikipedia

    en.wikipedia.org/wiki/Long-range_optical...

    Long-range optical wireless communication or free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking over long distances. "Free space" means air, outer space, vacuum, or something similar.

  7. Conar Instruments - Wikipedia

    en.wikipedia.org/wiki/Conar_Instruments

    The National Radio Institute (NRI) established the Conar Instruments division in the fall of 1961 and announced it in their bimonthly publication, The NRI News. [1] Conar was an expansion of the National Radio Institute's student supply division that functioned primarily to supply test equipment to their students and graduates.