Technology Trivia

10

What is the common name for the type of battery used in most consumer and racing drones, known for its high energy density?

68

What technology allows a drone to maintain a fixed position in the air without pilot input, using GPS and barometric sensors?

27

What Chinese technology company manufactures the Mavic, Phantom, and Air series of consumer drones?

27

What U.S. federal agency requires recreational drone pilots to register aircraft weighing over 250 grams?

80

What does the abbreviation 'FPV' stand for in the context of drone piloting?

63

What annual event challenges amateur radio operators to set up temporary stations and make as many contacts as possible in 24 hours?

66

What is the highest class of amateur radio license in the United States, granting full privileges on all bands?

19

What digital mode, developed by Nobel Prize-winning physicist Joe Taylor, allows amateur radio operators to make contacts with extremely weak signals?

65

What type of antenna, consisting of a horizontal wire fed at the center, is one of the simplest and most popular HF antennas?

84

What does the amateur radio term 'CQ' mean when transmitted?

57

What is the name of the international system that divides the world into grid squares for identifying locations in amateur radio?

67

What ionospheric layer is primarily responsible for long-distance HF radio propagation during the daytime?

83

What does the Q-code 'QTH' mean in amateur radio communication?

22

What frequency band is most commonly associated with beginner ham radio operators holding a Technician license in the United States?

37

What type of RC car chassis features the motor and drivetrain mounted along the center spine for balanced weight distribution?