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RF Cafe Engineering & Science Crossword Puzzle
June 9, 2019

Since 2000, 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. 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 June 9, 2019 - RF Cafe

<click for full size to print>

ACROSSDOWN
1. Channel used for earth-to-satellite communications
5. Considered the 4th dimension
9. Greek letter
10. 300 kHz to 3 MHz
11. An electronic device that requires power to operate
13. 30 kHz to 300 kHz
14. Time division duplex (abbr.)
15. _____ conductor
16. Chemical symbol for lawrencium
18. Applies a lubricant
19. Abbreviation for peak voltage
20. 1/000 of an amp (abbr.)
21. Akin to an EE, CE, AE, etc.
22. Opposite of I.D.
23. CB slang for police speed radar (pl.)
26. Akin to EEs, CEs, AEs, etc. (abbr., pl.)
29. One component of a complex number (abbr.)
30. The "S" in CMOS
33. Chemical symbol for platinum
34. Readability, Signal, and Tone (QoS report type)
36. Restraining voltage input
40. Signal-to-noise ratio (abbr.)
42. Colorado Springs military school (abbr.)
43. Physics of accelerated motion
45. Rádio Nacional de Angola (abbr.)
47. Chemical symbol for manganese
50. Difference in voltage between the surface of the diffuse layer surrounding a colloidal particle and the bulk liquid beyond (2 wds.)
53. PC follower
55. Slang for transmitter and/or receiver
56. Prevent the direct physical transfer of signals from one point to another
58. Unit of length (abbr.)
59. Chemical symbol for thulium
60. Unit of time (abbr.)
61. Electromagnetic (abbr.)
62. International phonetic alphabet letter "Z"
63. Chemical symbol for helium
64. Tied a bundle of wires together
67. Gary Breed's fine magazine on RF & microwaves topics (abbr.)
68. Unit of time (abbr.)
69. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)
71. A common battery cell size
72. Ham abbreviation for transceiver
74. ECM response
75. Calendar that preceded the Gregorian calendar
1. Unit of inductance (abbr.)
2. Plain Old Telephone System
3. Intermodulation distortion (abbr.)
4. A measure of receiver quality (abbr.)
5. ___/IP scheme for networked connectivity
6. Things in a bill of material
7. Gigantic star in the constellation Cetus
8. 1.602E-19 Joules
9. The "D" in RFID (pl.)
11. Chemical symbol for gold
12. Traditional term for a person who enjoys helping newcomers get started in ham radio - a mentor
13. Type of antenna constructed from one or more winding(s) of wire or rods (pl.)
15. The scalar component of velocity
17. Flip-flop control input
19. Abbreviation for minimum voltage
24. Mass of an element
25. Angle described by sine/cosine
27. Refers to the IEEE802.11 networks (abbr.)
28. Telex-Over-Radio (abbr.)
31. One type of electron spin
32. Receiver power level circuitry (abbr.)
35. RF connector type
36. Chemical symbol for lanthanum
37. Discipline for aircraft navigation in low visibility environments (abbr.)
38. Barry ____, "Microwave Product Digest" magazine editor (c2014)
39. Chemical symbol for gadolinium
41. Type of flip-flop
44. Reliability measure
46. Anatech Electronics Inc., (abbr.)
48. Chemical symbol for neptunium
49. Third planet from the sun
51. Used lubricant
52. One of the first commercial software spreadsheets, (w/123)
54. Software device for tracking elapsed time
56. First name of a British scientist of falling apple fame
57. Modulation type (abbr.)
58. Used to remove oxidation during soldering
60. Type of programmable device (abbr.)
62. 6th Greek letter
65. Airflow rate (abbr.)
66. BS__ - the degree held by many RF Cafe visitors
67. The computer in 2001: A Space Odyssey
70. Chemical symbol for iron
71. Chemical symbol for gold
73. Chemical symbol for radon

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

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

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engineering &amp; Science Crossword Solution June 9

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