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RF Cafe Engineering & Science Crossword Puzzle
February 3, 2019

Each week, for the sake of all avid cruciverbalists amongst us, I create a new technology-themed crossword puzzle using only words from my custom-created lexicon related to engineering, science, mathematics, chemistry, physics, astronomy, etc. You will never find among the words names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort. You might, however, see someone or something in the exclusion list who or that is directly related to this puzzle's theme, such as Hedy Lamarr or the Bikini Atoll, respectively. Enjoy!

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


Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

RF Cafe Engineering & Science Crossword Puzzle February 3, 2019

ACROSS DOWN
1. French scientist after whom the unit of current is named (3 wds.)
13. Type of modulation (abbr.)
14. Common shorthand reference for a capacitor
15. Tweak a filter for the correct response
17. Home state of Los Alamos lab (abbr.)
22. Color quality
24. Chemical symbol for silver
25. Electrically charged region of the Earth’s atmosphere located approximately 40 to 400 miles above the Earth’s surface that refracts radio signals
31. Threaded fastener
33. Internet protocol (abbr.)
34. U.S. Spectrum allocation agency
36. Ham's code for "Can you acknowledge receipt?"
38. Chemical symbol for nickel
39. 1E6 nanoseconds
41. Used logic gates
43. Chemical symbol for gadolinium
45. Type of capacitors
47. Chemical symbol for praseodymium
48. Mr. Packard's (HP) first name
49. 1/000 of an amp (abbr.)
50. Chemical symbol for lanthanum
51. Gasoline, diesel, etc. (pl.)
52. Chemical symbol for einsteinium
53. Time taken for half the atoms of a radioactive sample to decay (hyph.)
55. Type of current
56. Stock symbol for Yahoo
58. Chemical symbol for selenium
59. European equivalent to the U.L.
60. FCC's Universal Licensing System (abbr.)
62. Mr. Piper's famous yellow airplane
64. Unit of time (abbr.)
65. Co-channel rejection ratio (abbr.)
67. Plane figure that has four straight sides, and four right angles (pl.)
71. Radio signals from the cosmos (abbr.)
72. Last statement in a BASIC program
74. Akin to an EE, CE, AE, etc.
75. IC socket type for easy insertion & removal (abbr., pl.)
78. Transmit Incremental Tuning (abbr.)
81. Chemical symbol for nobelium
83. Part of a directive antenna that derives energy from mutual coupling with the driven element (2 wds.)
2. A measure of receiver quality (abbr.)
3. Decimeter (abbr.)
4. BS__ - the degree held by many RF Cafe visitors
5. Type of current flow (abbr.)
6. Increase voltage linearly
7. Internet protocol (abbr.)
8. PC follower
9. Greek letter (micro)
10. Silicon transistor type
11. BS__ - the degree held by many RF Cafe visitors
12. Semiconductor company based in Norwood, MA (2 wds.)
16. Ionized trails of meteors used as a reflecting media (2 wds.)
18. Chemical symbol for magnesium
19. Thin metallic shield material around coax cable
20. Local Oscillator (abbr.)
21. Front edge of a wing (abbr.)
22. Sample-and-____
23. Electrical safety organization (abbr.)
26. Chemical symbol for neptunium
27. Archimedes is one type of this geometric shape (pl.)
28. High-speed multimedia (abbr.)
29. Part of this website's title
30. Official engineering change document (abbr., pl.)
32. "Calling any amateur radio station"
35. Chemical symbol for chromium
37. Type of chart used to plot immittance
38. Electric enclosure standard organization (abbr.)
40. A common semiconductor substrate
42. Exactly the same in mathematics
44. 10E1 numerical prefix (pl.)
46. RF ____, the world's best engineering website
47. Programmable Logic Device (abbr.)
53. Unit of time
54. 12 inches (pl.)
56. 36 inches
57. Amateur radio abbreviation for the Oceania region (abbr.)
60. A compiler directive
61. Type of component package (abbr.)
63. Chemical symbol for beryllium
64. Electrical safety organization (abbr.)
66. Cyanide (abbr.)
68. Chemical symbol for californium
69. Application Specific Integrated Circuit (abbr.)
70. Chemical symbol for gallium
71. Electromagnetic (abbr.)
73. Electronics Industry Association (abbr.)
75. Chemical symbol for zirconium
76. Start frequency (abbr.)
77. Chemical symbol for silicon
78. Greek letter
79. Test equipment (abbr.)
80. Morse Code for "from"
81. Chemical symbol for neon
82. Switch position

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

 

June 23

June 16

June 9

June 2

May 26

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF Cafe Engineering & Science Crossword Solution February 3, 2019

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