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RF Cafe Engineering & Science Crossword Puzzle
October 6, 2019

For two decades, I have been creating custom engineering- and science-themed crossword puzzles for the brain-exercising benefit and pleasure of RF Cafe visitors who are fellow cruciverbalists. This October 6, 2019, puzzle contains the names of at least ten advertisers* who help deliver RF Cafe to you every day. Otherwise, it uses a database of thousands of words which I have built up over the years and contains only clues and terms associated with engineering, science, physical, astronomy, mathematics, chemistry, etc. You will never find a word taxing your knowledge of a numbnut soap opera star or the name of some obscure village in the Andes mountains. You might, however, encounter the name of a movie star like Hedy Lamarr or a geographical location like Tunguska, Russia, for reasons which, if you don't already know, might surprise you. The jury is out on whether or not this type of mental challenge helps keep your gray matter from atrophying in old age, but it certainly helps maintain your vocabulary and cognitive skills at all ages.

* Click here for a list of RF Cafe advertisers.

cruciverbalist: [noun] cruci- ("cross") +‎ verbal ("words") +‎ -ist ("agent, person") -- A person who constructs or works crosswords.

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

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

Engineering & Science Crossword Puzzle October 6, 2019 - RF Cafe

1. Things in a bill of material

5. RF Connector __________ (RFCT), manufacturer of coaxial connectors and cable assemblies*

11. Filter type with high rate of out-of-band attenuation (aka 'elliptic')

15. Chemical symbol for neodymium

16. Foot/12

17. Unix, Linux or Windows (abbr.)

18. Shorthand for oxygen

19. Wheel attachment point

20. Akin to an EE, CE, AE, etc.

21. Unit of frequency (archaic, abbr.)

22. One component of a complex number (abbr.)

24. Complex Instruction Set Computer

25. Chemical symbol for radon

26. Multifunctional silicon devices (abbr.)

28. Type of logic gate (pl.)

30. PCB mask exposing ray (abbr.)

31. Chemical symbol for berkelium

32. ___ Directory, online listing of circuit board manufacturers and assemblers*

33. Unit of apparent power (abbr.)

35. Opposite of I.D.

36. Tune

37. European equivalent to the U.L.

38. Test equipment (abbr.)

39. MS's server-side script engine for dynamically-generated web pages (abbr.)

41. Web page language

44. Light ray

46. Antenna (abbr.)

47. Cause a circuit breaker to open

49. Electrical component the stores energy in a magnetic field

52. ECM response

53. What kind of a number is divisible only by itself and 1

54. Test point (abbr.)

55. _____ Test Equipment, sells rents, and repairs wide line of TE*

56. Very Long Baseline Interferometry (abbr.)

59. San Francisco ________, fabricator of PCBs*

60. Stock symbol for Intel

63. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)

64. Quickly changing portion of waveform

66. Switch configuration (abbr.)

69. Digital transmission figure of merit (abbr.)

70. Chemical symbol for platinum

71. Unit of time (abbr.)

72. Containing a contaminant

75. BS__ - the degree held by many RF Cafe visitors

77. Chemical symbol for cobalt

78. It can follow an MS

79. 1/000 of an amp (abbr.)

81. Opposite of I.D.

82. Gun safety and education organization (abbr.)

84. Akin to an EE, CE, AE, etc.

85. Unit of length (abbr.)

86. ____ Microwave, maker of circulator and isolators*

87. Chemical symbol for cadmium

88. Chemical symbol for zirconium

89. Radio signals from the cosmos (abbr.)

91. ____ Electronics, for a full line of low-PIM passive RF devices*

93. Network department (abbr.)

94. Pure carrier (abbr.)

96. Plural of locus

98. Boob tube (abbr.)

99. Factor of a polynomial

100. RF __________, co-founded by Murray Pasternack, a supplier of RF couplers, dividers, attenuators, and other passive components*

101. Wire

1. _________ _____ Products, maker of passive RF components*

2. Time delay (abbr.)

3. 1/1000000 prefix

4. Chemical symbol for tin

5. Aerodynamic force opposing drag

6. Chemical symbol for cobalt

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

8. What do we call a curve formed by a point which moves according to a mathematically defined rule

9. Shorthand for oxygen

10. International phonetic alphabet letter "Y"

11. European equivalent to the U.L.

12. Dilbert's female co-worker

13. Electromagnetic (abbr.)

14. ___-___ _________, producer of RF attenuators, resistors, and other passives*

21. Chemical symbol for molybdenum

23. 1.602E-19 Joules

25. Chemical symbol for rubidium

27. Unlicensed FCC Part 95 realm for personal and business radio use (abbr.)

29. Synchronous Digital Hierarchy

32. Modulation technique (abbr.)

34. Airport Surveillance Radar (abbr.)

38. RF connector type

40. Ratio of circumference to diameter

42. _____ Microwave, producers of RF power, bidirectional, and low-noise amplifiers*

43. _____-wise linear

44. Alloy of copper and zinc

45. Connector vendor headquartered in Bristol, PA

46. Type of current flow (abbr.)

48. Computer monitor resolution measure (abbr.)

50. Coordinated Universal Time (abbr.)

51. Intel 8086 or Motorola 6800 (abbr.)

52. Electromagnetic interference (abbr.)

57. Stock symbol for Lockheed Martin

58. Chemical symbol for beryllium

61. Chemical symbol for niobium

62. Temporary Engineering Change document (abbr.)

64. IC killer (abbr.)

65. Greek letter used for coefficient of reflection (pl.)

67. Type of Morse Code key

68. Base of the decimal number system

71. Pseudomorphic high-electron-mobility transistor, abbr.

73. _____-Carlo analysis

74. Have a chemically induced efffect

76. _____, manufacturer of microwave and millimeter-wave modular amplifiers and integrated assemblies*

78. Related to FM by a differential

80. Modulation type (abbr.)

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

83. Chemical symbol for argon

90. Part of a FOR loop

92. Chemical symbol for einsteinium

93. Internet protocol (abbr.)

95. Write-Once (abbr.)

97. Unit of volume (abbr.)

98. Chemical symbol for thallium

See solution below

2019 Crossword Puzzle Archive

Take a well-deserved break and try 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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RF Cafe Engineering & Science Crossword Puzzle October 6, 2019

RF Cafe Engineering & Science Crossword Puzzle
October 6, 2019