26: When were 1x3 'K' prefix callsigns first issued in the continental US?

27: In what year were the first 2x3 (e.g. WB6ABC) callsigns issued?

28: In what year was it first possible for an Extra class licensee to request a 1x2 callsign of his own choice?

29: An FCC employee was once convicted and sent to jail for taking bribes to assign specific amateur callsigns.

30: How much did the ARRL License Manual of 1935 cost?

31: In what year did Fleming invent the 2-element (diode) vacuum tube?

32: In what year did Edwin Armstrong create the first triode tube oscillator?

33: In what year did Hiram Percy Maxim found the ARRL?

34: How many amateurs existed in 1917?

35: In what year was the 20 meter band authorized for amateur use?

36: How many US amateurs were there in 1936?

37: 2 and 1/2 meters, once referred to as UHF, was once an amateur band.

38: In what year was CQ magazine first published?

39: The 11 meter band (now CB radio) was once authorized for use by amateurs in what year?

40: In what year were phone transmissions first authorized on 40 meters?

41: When were the first Technician class licenses granted?

42: What was the size of the US ham population in 1958

43: In what year did amateurs lose the use of 11 meters and subsequently, CB radio was born?

44: CB Radio was created in 1958. In what year did the CB operator population first outnumber hams?

45: When was 146.52 Mhz first adopted as the 2 meter simplex frequency?

46: In what year was the ASCII computer code first allowed for use by amateurs on the air?

47: When were the first 10 year licenses issued?

48: When did the FCC stop giving amateur license tests and pass the duty over to the VEC program?

49: In what year was the first no-code Technician license granted?

50: How many US Amateur licenses are active today (1999)?