726: What is the defining characteristic of a Hartley oscillator?
727: True or False: Noise temperature can be converted directly to noise figure.
728: In the 2000 motion picture "Vertical Limit," mountain climbers send Morse code to each other by triggering the "push-to-talk" switches on their hand-held radios.
729: In the 2000 motion picture "Vertical Limit," the brother and sister mountain climbers that send Morse code to each other over their hand held radios are ham radio operators.
730: How Many Questions Are There On The Element 2, Technician Class Exam?
731: What famous phrase was W2OY known for saying in his CQs.
732: In the old days, loop modulation was essentially a carbon mike connected to a tank loop. What identified a loop mod user?
733: A BC 454 radio is known as what line.
734: What was the "SOS" predecessor?
735: Was it ever allowed to select your callsign by using your initials?
736: Who was the manufacturer of the "Benton Harbor Lunchbox"
737: What was "negative cycle loading"
738: Name the ship that Marconi used for his radio work.
739: To change the frequency of a crystal you would 'grind it'. This raised or lowered the frequency?
740: What was the call sign prefix for "Canal Zone"?
741: What is the base to emitter DC voltage of a germanium transistor used in a ham rig?
742: In 1960 what was the lower edge of the 75 meter US phone band?
743: A 'cage' antenna was common in the early days. What was it's advantage.
744: You would most likely find a 'grid-leak' where?
745: Webster Bandspanner is...
746: What was King Hussein's call sign?
747: Arthur Godfrey was a Ham.
748: What was the first year of the ARRL ?
749: A GFI is what?
750: In the old days hams would connect two flashlight bulbs to their open-wire feeders. Why?