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RF Cafe Engineering & Science Crossword Puzzle
April 28, 2019

Since 2000, I have been creating custom technology-themed crossword puzzles for the brain-exercising benefit and pleasure of RF Cafe visitors who are fellow cruciverbalists. 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. A database of thousands of words has been 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.

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 April 28, 2019 - RF Cafe

<click for full size to print>

ACROSSDOWN
1. An abrupt change in a parametric value (pl.)
14. Network configuration type
15. Readability, Signal, and Tone (QoS report type)
16. RF ____, the world's best engineering website
18. Part of this website's title
20. "Texting" (abbr.)
21. Personal Digital Cellular
22. Special diode type that can be switched (abbr.)
23. Chemical symbol for lutetium
24. Original Equipment Manufacturer (abbr.)
28. Type of e-mail address system (abbr.)
29. Electronic component package type (abbr.)
30. A compiler directive
33. Elementary particle
35. The design component of total product cost (abbr.)
36. Official Space Shuttle designation (abbr.)
37. Miniature threaded RF connector (pl.)
38. Automatic Packet Position Reporting System (abbr.)
39. Precision approach radar (abbr.)
40. Chemical symbol for molybdenum
42. Units of current
44. Unit of inductance (abbr.)
45. Temporary Engineering Change document (abbr.)
47. A common battery cell size
48. Chemical symbol for strontium
49. Aircraft navigation system (abbr.)
51. In geometry, what is a figure having ten straight sides called
52. Navigational device that measures star positions
53. Peripheral Component Interface (abbr.)
54. Part of a FOR loop
56. Chemical symbol for polonium
57. Original Equipment Manufacturer (abbr.)
58. 30 kHz to 300 kHz
60. Tom _______, "High Frequency Electronics" magazine editor (c2014)
62. Type of logic gate
63. Powers pneumatic devices
65. Shorthand for electronic magazine
66. Battery cell chemistry type (abbr.)
68. Digital storage oscilloscope (abbr.)
69. Temporary Engineering Change document (abbr.)
70. Form a resistor lead
71. Society of Civil and Structural Engineers (abbr.)
72. Digital pattern coding type
73. Precision landing system (abbr.)
75. 24 hours
76. Opposite of I.D.
77. The system than converts common website names to IP addresses (abbr.)
79. Low Noise Amplifier (abbr.)
81. BlackBerry or Palm for example (abbr.)
83. Chemical symbol for radon
84. One of the W's in WWW
85. Powers pneumatic devices
86. Term used in soldering to describe the condition that occurs when the metals being soldered are hot enough to melt the solder so it flows over the surface
88. Type of source used by a Norton equivalent circuit
2. Network department (abbr.)
3. Official Space Shuttle designation (abbr.)
4. College grounds
5. Type of logic gate (pl.)
6. Total radiated power (abbr.)
7. Integrated Services Digital Network (abbr.)
8. Negative temperature coefficient (abbr.)
9. Multifunctional silicon devices (abbr., pl.)
10. Radio navigation systems
11. Discipline for aircraft navigation in low visibility environments (abbr.)
12. BS__ - the degree held by many RF Cafe visitors
13. Unintentionally impressing a signal on a transmission line
17. Radio receiver scheme which mixes a second frequency (LO) with the incoming radio signals
19. 10E-15 numerical prefix
23. Long Range Aid to Navigation
25. Lowest power level capable of being demodulated (abbr.)
26. Another word for a directional radiating device (2 wds.)
27. What is the study of objects travelling faster than sound
28. Silicon transistor type
31. Miniature threaded RF connector
32. Solid state power amplifier (abbr.)
33. Military Auxiliary Radio System
34. Type of logic gate (pl.)
41. Have a chemically induced effect
43. International phonetic alphabet letter "H"
45. ___/IP scheme for networked connectivity
46. Common gateway interface (abbr.)
49. Variable crystal oscillator (abbr.)
50. Type of data storage IC
55. Used logic gates
56. Part of a male connector (pl.)
59. The "F" in EMF
60. Type of chart
61. "Texting" (abbr.)
62. International phonetic alphabet letter "O"
64. Effective frontal area presented to a microwave interrogation system (abbr.)
65. Type of formation for a pushrod end where it connects to a control arm (hyph., pl.)
67. First lines in software that call external libraries
68. Decibels above or below a dipole antenna (abbr.)
74. Volt, meter, pint, pound, eg.
77. Deutsche Industrie Normenausschuss
78. Adjust a pot
79. Computer communication scheme (abbr.)
80. Flash caused by an electric current ionizing a gas or vapor
81. Abbreviation for "power"
82. Automated Test Equipment (abbr.)
84. Write-Once (abbr.)
87. Chemical symbol for tin

See solution below

 

2019 Crosswords Archive

Visit the Crossword Express website - RF CafeTake 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.

2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | Sudoku

December 29

December 22

December 15

December 8

December 1

November 24

November 17

November 10

November 3

October 27

October 20

October 13

October 6

September 29

September 22

September 15

September 8

September 1

August 25

August 18

August 11

August 4

July 28

July 21

July 14

July 7

June 30

June 23

June 16

June 9

June 2

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May 19

May 12

May 5

April 28

April 21

April 14

April 7

March 31

March 24

March 17

March 10

March 3

February 24

February 17

February 10

February 3

January 27

January 20

January 13

January 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engineering & Science Crossword Puzzle April 28, 2019 - RF Cafe

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