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 Take 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.
2024 | 2023
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| 2002 | 2001
| 2000 |
Sudoku
Cruciverbalist:
A cruciverbalist is a person who is skilled at creating or solving crossword
puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and
"verbalist" from "verbal," indicating a person who deals with words.
cruciverbalists are often responsible for designing
crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and
the techniques used in constructing and solving crosswords. They aim to make puzzles
that are both challenging and enjoyable for crossword enthusiasts.
December 28
December 21
December 14
December 7
November 30
November 23
November 16
November 9
November 2
October 26
October 19
October 12
October 5
September 28
September 21
September 14
September 7
August 31
August 24
August 17
August 10
August 3
July 27
July 20
July 13
July 6
June 29
June 22
June 15
June 8
June 1
May 25
May 18
May 11
May 4
April 27
April 20
April 13
April 6
March 30
March 23
March 16
March 9
March 2
February 23
February 16
February 9
February 2
January 26
January 19
January 12
January 5
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
1. Type of logic gate
3. Applies more signal than a circuit can handle
9. BS__
- the degree held by many RF Cafe visitors
11. With 12 Across, 'Mr. Big' on Christmas
12. With 11 Across,
'Mr. Big' on Christmas
13. Radio Amateurs of Canada (abbr.)
16. Using the moon as a passive reflector
to establish a signal path; moonbounce (abbr.)
17. Gigantic star in Cetus
18. Official engineering change
document (abbr., pl.)
20. A common battery cell size
21. Min-to-max voltage of a waveform (abbr.)
23.
Uppermost surface
25. 1.602E-19 Joules
26. Chemical symbol for polonium
27. Configure a switch to make
electrical contact
29. Steel, brass, aluminum, etc.
31. Workplace safety group (abbr.)
34. A type of
average (pl.)
36. Equipment
38. Computer communication scheme (abbr.)
39. Automated Test Equipment
(abbr.)
40. Semiconductor lamp
41. Part of this website's title
42. Chemical symbol for mendelevium
43. Time delay (abbr.)
45. Chemical symbol for cesium
47. Chemical symbol for praseodymium
48. Chemical
symbol for tin
50. Stock symbol for Intel
52. 88 Down's was famously red (pl.)
54. Junk e-mail
56.
Chemical symbol for neon
57. Chemical symbol for magnesium
58. Chemical symbol for mercury
60. Chemical
symbol for neptunium
62. BS__ - the degree held by many RF Cafe visitors
63. Chemical symbol for europium
65. Engineering Change Notice (abbr.)
67. Low impedance amplifier stage that boosts power (pl.)
70. Antenna
gain unit (abbr.)
72. Chemical symbol for erbium
73. Chemical symbol for radon
74. Chemical symbol
for radium
75. Chemical symbol for calcium
76. Chemical symbol for einsteinium
78. Chemical symbol
for silver
79. Perform a calculus function
84. Filter type that blocks frequencies in a specified band
(abbr.)
85. Modulation type (abbr.)
86. Opposite of I.D.
87. Chemical symbol for erbium
89. Type
of current flow (abbr.)
90. Chemical symbol for silicon
92. Instrument designed to measure temperature
93. Another name for lamp cord (2 wds.)
97. Probable location of an element's electron
101. Colorado Springs
military school (abbr.)
102. Compress a computer file
103. 300 kHz to 3 MHz
104. Test point (abbr.) |
1. Unix, Linux or Windows (abbr.)
2. Line extending out from center
3. ESD protective
apparel
4. A common battery cell size
5. One type of electron spin
6. Chemical symbol for silver
7. Electronic warfare defense (abbr.)
8. Insulating cover over a solder joint
9. Galilean moon
10.
Chemical symbol for einsteinium
14. Chemical symbol for chromium
15. Permeability-tuned oscillator (abbr.)
16. Equalizer (abbr.)
17. Series of automated OS commands
19. Relating to the sun
22. Peak envelope
power (abbr.)
23. Forum feature allowing response under original subject
24. Earth, Mars, or Saturn
25. Science of assuring operation amid dense EM background noise (abbr.)
28. Workplace safety group (abbr.)
30. Object under which Christmas gifts are placed
32. Below ELF (not the Santa's helper type elf)
33.
Association of North American Radio Clubs
35. PC follower
36. Dielectric material used to form a hermetic
seal for thru-wall conductors
37. Type of data conversion device (abbr.)
41. Vehicular motivation used
by 11 & 12 Across
42. Where Jesus was born
44. The first of 11 & 12 Across' 41 Down
46. Measuring
a waveform at regular intervals
47. Chemical symbol for platinum
49. Chemical symbol for neptunium
51. Chemical symbol for neon
53. Type of component package (abbr.)
55. Army-Navy specification prefix
57. A series of numbers where there are as many numbers above it as below it in the series
59. Triangular
joint filler added for strength
61. Switch position
64. Chemical symbol for gadolinium
66. Studies
for a test just before taking it
68. Infrared (abbr.)
69. Chemical symbol for europium
71. Securing
device
75. Connector vendor
77. One of four lines used in ferrite core memories
80. Chemical symbol
for tantalum
81. Electromagnetic (abbr.)
82. Read-only (abbr.)
83. Analog-to-Digital (abbr.)
84.
The last of 11 & 12 Across' 41 Down
88. The 'most famous reindeer of all'
89. PC follower
91. Infrared
(abbr.)
94. Person responsible for program spending (abbr.)
95. Switch position
96. Chemical symbol
for radium
98. Return-to-Zero (abbr.)
99. The "B" in BER
100. Innovative Power Products, Holbrook,
NY (abbr.) |
See solution below
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