776: Which class of amplifier is least capable of linear amplification?

777: Dielectric puncture in capacitors is typically the result of:

778: According to CQ Magazine, which state has the most counties one must work in order to qualify for their USA-CA Award for working all counties?  

779: Vacuum tubes operate by __________.  

780: 1938 was the year the first electronic digital computer- the Attonisov Barry Computer- was made by the team of Dr.Attonisov and Dr. Barry?  

781: What frequencies in the VHF range were re-allocated from ham radio and now can only be used for limited digital purposes by ham radio operators?

782: Washington DC is in which call district?

783: How many watts does a hand held 340 milliwatt transceiver have?  

784: All of the following developments are attributed to ARRL founder Hiram Percy Maxim EXCEPT:  

785: Where did the term 'ham' originate?

786: Who sent the first Morse code signal across the Atlantic Ocean?  

787: When was the Morse code developed?

788: How long must a Canadian hold an amateur radio license before they can apply for a two letter callsign?

789: What is the purpose of a filament choke in the filament of a triode grounded grid amplifier?  

790: The callsign R5CC belongs to:

791: In a LC network, as you increase capacitance, what happens to the frequency?

792: What is the maximum filament voltage for a 4CX250B tube in UHF service

793: What is the maximum plate voltage for a 4CX250R tube?

794: What is the maximum filament voltage for a 4CX250F

795: What is the maximum Screen voltage for the 4CX250B?

796: What is the most cost effective way to make a high voltage rectifier that will handle 2 Kv at 1A ?  

797: Do ships at sea and registered vessels still use CW SOS on the highseas for emergency transmissions?    

798: How many 6146's were in the Viking Valiant?

799: What was the Dow-Key company famous for?

800: What did the Don Bosco company make?