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RF Cafe Engineering & Science Crossword Puzzle
January 26, 2020

As with my hundreds of previous engineering and science-themed crossword puzzles, this one for January 26, 2020, contains only clues and terms associated with engineering, science, physical, astronomy, mathematics, chemistry, etc., which I have built up over nearly two decades. Many new words and company names have been added that had not even been created when I started in the year 2002. 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 January 26, 2020 - RF Cafe 

<click for full size to print>

ACROSS DOWN
1. U.S. military research & development agency (abbr.)
5. Color #5
10. __ + 35 Down + Workbook, RF Cafe's excellent Excel-based cascaded component system-level calculator
11. Amateur Radio Association (abbr.)
13. Galilean moon
16. Waveform limit definition
17. A common RS-232 serial bus command (abbr.)
19. Teflon (abbr.)
20. Abbreviation for acknowledge (also a common word used by Bill the Cat)
21. The "D" in RFID
24. Signal-to-noise ratio (abbr.)
25. Chemical symbol for nobelium
26. Positive voltage lead color
27. Logic family
29. Chemical symbol for silicon
30. Type of data conversion device (abbr.)
31. Chemical symbol for lithium
33. Original Equipment Manufacturer (abbr.)
35. Type of microwave oscillator
38. Chemical symbol for tantalum
40. Gasoline, diesel, etc.
42. Boolean expression (pl.)
43. Armored cable type
45. Reserves for
47. Temporary Engineering Change document (abbr.)
49. 1.602E-19 Joules
50. Unit of weight
51. Chemical symbol for cesium
53. Logarithmic unit of power (abbr.)
55. The cell band above DCN
56. __ + 63 Down, this website's title
58. Conductor size unit (abbr.)
60. Describes energy at rest
63. Software drafting tool (abbr.)
64. Cause a voltage or current waveform to gradually die out
66. SIP x 2
67. Mate to a plug
68. Type of reconfigurable memory (abbr., pl.)
71. Attenuator
73. Chemical symbol for iron
74. Satellite milieu
75. Force required to impart an acceleration of one centimeter per second per second to a mass of one gram (pl.)
1. Constellation : The dragon
2. Audio Frequency Shift Keying (abbr.)
3. Last stage in a transmitter (abbr.)
4. Emitted a flash during electrical discharge
6. One component of a complex number (abbr.)
7. Chemical symbol for europium
8. Effective Radiated Power (abbr.)
9. Logical negation (pl.)
12. Amateur radio operating mode for sharing realtime video (abbr.)
14. Circuit for firing a radar magnetron (abbr., pl.)
15. Archaic term for an outdoor antenna (pl.)
16. ELI the ICE ___
18. Chemical symbol for silicon
21. Digital Enhanced Cordless Telephone
22. Chemical symbol for calcium
23. Engineering Change Order (abbr.)
26. ______ cosine filter
28. High-temp wire insulation
30. This calculus operation yields current through an inductor
32. Network department (abbr.)
34. Elementary particle
35. 10 Across + _______ + Workbook, RF Cafe's excellent Excel-based cascaded component system-level calculator
36. Army-Navy specification prefix
37. Chemical symbol for ytterbium
39. A common battery cell size
41. Radio signals from the cosmos (abbr.)
44. Chemical symbol for xenon
46. Type of high frequency circuit substrate (abbr.)
48. Unlicensed radio type for personal and business use (abbr., pl.)
52. ____ Meet, a Ham's flea market
54. Weight (abbr.)
55. Attenuator configuration (hyph.)
56. Radio Amateur Civil Emergency Service (abbr.)
57. Electronics components & batteries supplier based in Japan
59. General Mobile Radio Service (abbr.)
61. Analog-to-Digital (abbr.)
62. End of soldering iron
63. 56 Across + ____, the world's best engineering website
65. Type of e-mail address system (abbr.)
69. 1/000 of an amp (abbr.)
70. Chemical symbol for scandium
72. Chemical symbol for dysprosium

See solution below

 

2020 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.

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Engineering & Science Crossword Solution January 26, 2020 - RF Cafe

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