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Science & Engineering Crossword Puzzle
March 27, 2016

This week's crossword puzzle has a special message included that has to do with why you might be off work on Monday for a holiday. Oh, and it also happens to be the world's most revered religious time of commemoration, which to the delight of some and to the sorrow of others, is rapidly fading into the shadows of time. The colorful 'no-letter' squares were inspired by the type of candy I am eating as I make the puzzle. As always all the other words are from a hand assembled file of thousands of terms from science, engineering, mathematics, chemistry, astronomy, etc. 7 Across + 15 Across to all!

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

Science & Engineering Crossword Puzzle for March 27, 2016 - RF Cafe

1. Type of rechargeable battery (abbr., pl.)

6. Chemical symbol for platinum

7. _____ + 15 Across : Special RF Cafe Greeting

13. ______ House, technical book publisher

15. 7 Across + ______ : Special RF Cafe Greeting

17. Stock symbol for Boeing

18. Radio term for indicating the end of a transmission segment

21. Band between RF and BB

22. Computer monitor resolution measure (abbr.)

24. Network file transfer protocol (abbr.)

26. 1e3 uV

27. Current-voltage phase mnemonic

28. Voltage-controlled oscillator (abbr.)

30. Type of logic gate

32. Weight (abbr.)

34. Sound frequency in the human hearing range (abbr.)

36. Greek letter (micro)

37. Local Oscillator (abbr.)

38. 1E6 nanoseconds

40. Flip-flop control input (pl.)

43. Amateur radio abbreviation for the Oceania region (abbr.)

44. Switch position

45. Change connector type

47. Network department (abbr.)

48. High-speed circuit-switched data (abbr.)

50. Specialized mobile radio (abbr.)

53. Filter type that blocks frequencies in a specified band (abbr.)

54. Amateur radio enthusiast

56. Opposite of I.D.

58. Tough drill bit materials

61. Electrical safety organization (abbr.)

62. Audio Frequency Shift Keying (abbr.)

63. Oscillator type that is referenced to an external source (abbr., pl.)

65. Computer monitor (abbr., pl.)

66. Conductor of electricity with a diameter of 10e-9 meters or less

70. Solid state power amplifier (abbr.)

72. Analog-to-Digital (abbr.)

73. Chemical symbol for chromium

74. Chemical symbol for calcium

75. Chemical symbol for ruthenium

77. Army-Navy specification prefix (abbr.)

78. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)

81. Award offered by ARRL for contacting and confirming 100 or more different countries (abbr.)

83. The fourth state of matter, which occurs in stars and fusion reactors

86. Unit of liquid measure (abbr.)

87. Chemical symbol for radon

88. Internet protocol (abbr.)

90. Amateur Radio activity in June to practice emergency communications (2 wds.)

95. Word used in describing 2-D and 3-D object dimensions; i.e., 10 mm __ 25 mm

96. Electromagnetic (abbr.)

98. Unix, Linux or Windows (abbr.)

100. Unit of time (abbr.)

101. A type of digital modulation (abbr.)

103. Variable crystal oscillator (abbr., pl.)

105. CDMA Development Group (abbr.)

107. Marconi's transmitter configuration (2 wds.)

108. Helium, iron, silicon, and uranium, for example

1. 1e-6 mA

2. Infrared (abbr.)

3. Reliability measure (abbr.)

4. Form of energy arising from the kinetic energy of atoms and molecules

5. Chemical symbol for scandium

7. Hectare (abbr.)

8. Application Specific Integrated Circuit (abbr.)

9. Teflon (abbr.)

10. Title assigned to person with state license to practice engineering (abbr.)

11. 365.24 days (abbr.)

12. PNPs and NPNs

14. Chemical symbol for holmium

15. Chemical symbol for erbium

16. Connected to a copper rod driven into the ground

19. Abbreviation for minimum voltage

20. 1.602E-19 Joules

23. Another name for a test lead

25. Abbreviation for "power"

27. Bands between RF and baseband

29. Logic family

31. Nuclear explosion byproduct harmful to electronics (abbr.)

33. Test equipment (abbr.)

34. PC follower

35. Cellphone band below PCS

39. Official Space Shuttle designation (abbr.)

41. Service-Independent Building Blocks

42. European Telecommunications Standards Institute (abbr.)

43. Unit of resistance

46. Up in the air

49. Wireless phone regions

51. Unit of frequency (archaic, abbr.)

52. Chemical symbol for radium

54. Chemical symbol for helium

55. Chemical symbol for arsenic

57. Satellite TV system

59. Stock symbol for Raytheon

60. Printer resolution abbreviation

61. FCC's Universal Licensing System (abbr.)

62. Amateur Radio Direction Finding (abbr.)

64. Junk e-mail

65. CW signals onto which information is modulated

66. The design component of total product cost (abbr.)

67. Ovenized crystal oscillator (abbr.)

68. Ham abbreviation indicating contacts with all major land masses

69. Effective Radiated Power (abbr.)

71. Determination of cause and effect

73. Chemical symbol for californium

76. Electrical safety organization (abbr.)

79. "Calling any amateur radio station"

80. System for guiding aircraft (abbr.)

81. Singulated piece of IC wafer

82. Imaging device (abbr.)

84. Amateur Radio Association (abbr.)

85. Chemical symbol for tin

89. Related to FM by a differential

91. One port of an amplifier

92. Shorthand for liquid oxygen

93. Digital storage oscilloscope (abbr.)

94. Chemical symbol for silver

95. Filter type that blocks frequencies below and above a specified band (abbr.)

97. Minimal Shift Keying (abbr.)

99. Wavelength division multiplexing (abbr.)

101. Chemical symbol for argon

102. Mass unit (abbr.)

103. Abbreviation for peak voltage

104. Chemical symbol for selenium

105. European equivalent to the U.L.

106. Electronics manufacturer with "meatball" logo

See solution below


Visit the Crossword Express website - RF CafeTake a break from the drudgery by trying your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called " Magnum Opus") software.

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