RF Cafe Engineering Crossword Puzzle w/Weekly Headlines
September 17, 2017

For the sake of avid cruciverbalists amongst us, each week I create a new crossword puzzle that has a theme related to engineering, mathematics, chemistry, physics, and other technical words. At least 10 clues in this puzzle with an asterisk (*) are pulled from this past week's (9/11 - 9/15) "Tech Industry Headlines" column on the RF Cafe homepage (see the Headline Archives page for help). Enjoy!


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

RF Cafe Engineering Crossword Puzzle w/Weekly Headlines September 17, 2017

ACROSS DOWN
1. Wide-_______ Developments: What You Need to Know *
6. Powerful mathematics software used by engineers
10. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)
11. One component of a complex number (abbr.)
13. Type of distribution, squared
15. Chemical symbol for ytterbium
17. Semi Chip Execs More Bullish on ___ Lithography *
19. Filter type that blocks lower frequencies (abbr.)
20. Chemical symbol for iron
21. Chemical symbol for lanthanum
22. Digital encoding of the transmission mode in the vertical sync portion of an SSTV image (abbr.)
24. Qualcomm and _____ to Cooperate on 5G New Radio Release-15 Specs *
25. Professional, Citizen Research Suggests _______ Briefly Affected HF Propagation *
26. Unit for 1,000,000 watt-seconds (abbr.)
28. Test point (abbr.)
30. Researchers Print the Unprintable: ______ *
34. Radio control system manufacturer
38. Chemical symbol for radium
39. International phonetic alphabet letter "P"
40. 2 Radio ________ Are Among 3 New ISS Crew Members *
44. A coherent monochrome light source
46. 5G Startup Aims to Beat Intel, ________ *
48. What glass device is used for focusing light
51. Chemical symbol for chlorine
52. Image storage format
53. Soak up RF energy
56. Chemical symbol for antimony
58. Modern battlefield technique (abbr.)
60. _______ Explores LPGAN Tech for Space-Based IoT *
64. Another word for each complete winding of an inductor (pl.)
67. Positive voltage lead color
68. Chemical symbol for europium
69. Time delay (abbr.)
70. Chemical symbol for aluminum
71. Programmable Logic Device (abbr.)
74. Local Oscillator (abbr.)
75. Mate to a bolt
77. Ratio of circumference to diameter
78. 2 Radio Amateurs Are Among 3 New ___ Crew Members *
80. Has ______ Become a National Threat? *
81. Multiplies out a factored expression
1. He stated the law that the pressure of a given mass of gas is inversely proportional to its volume at constant temperature
2. Chemical symbol for neon
3. Direct Memory Access (abbr.)
4. Electronics manufacturer with "meatball" logo
5. A digital counter input line to establish an initial value
7. Type of current flow (abbr.)
8. Code for a type of electrical wire insulation
9. High power density battery chemistry (abbr.)
12. Chemical symbol for europium
14. Finite Element Analysis (abbr.)
16. Data safeguard
18. Volt-ohmmeter (abbr.)
20. First-in, first-out, abbr.
22. Abbreviation for peak voltage
23. Network department (abbr.)
27. Type of flip flop
29. The fourth state of matter, which occurs in stars and fusion reactors (pl.)
31. A digital counter input line to establish an initial value
32. Greek letter
33. Transportation accident investigation agency (abbr.)
35. Chemical symbol for tantalum
36. The American manned lunar project
37. Stock symbol for Boeing
41. Akin to an EE, CE, AE, etc.
42. Chemical symbol for argon
43. Prefix meaning "water"
44. Local Oscillator (abbr.)
45. Modulation type (abbr.)
47. Automatic Calibration System (abbr.)
48. Chemical symbol for lithium
49. Home state of Los Alamos lab (abbr.)
50. Mr. Morse's first name
54. Bit rate unit
55. Chemical symbol for beryllium
57. Spurious signal produced in a receiver
59. Wireless application protocol (abbr.)
61. One component of a complex number (abbr.)
62. Opposite of O.D.
63. Elementary particles
64. Logic family (abbr.)
65. 10E-9 numerical prefix
66. Threaded tuning rod in a coil
72. Filter type that blocks upper frequencies (abbr.)
73. Country of RF Cafe's residency
76. Chemical symbol for thallium
78. Internet protocol (abbr.)
79. Chemical symbol for tin

Answer below

 

2017 Crosswords Archive
2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | Sudoku
December 31
December 24
December 17
December 10
December 3
November 26
November 19
November 12
November 5
October 29
October 22
October 15
October 8
October 1
September 24
September 17
September 10
September 3
August 27
August 20
August 13
August 6
July 30
July 23
July 16
July 9
July 2
June 25
June 18
June 11
June 4
May 28
May 21
May 14
May 7
April 30
April 23
April 2
March 26
March 19
March 12
March 5
February 26
February 19
February 12
February 5
January 29
January 22
January 15
January 8
January 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF Cafe Engineering Crossword Solution w/Weekly Headlines September 17, 2017