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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.
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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. Emitting a radio wave
9. Band between RF and BB
10. Shorthand for oxygen
11. Time delay (abbr.)
12. Stock symbol for Hewlett Packard
14. Satellite EHF Communications for Mobile Multimedia
16. Half of DSB
18. Computer messaging service
21.
30 kHz to 300 kHz
23. Local Oscillator (abbr.)
24.
Upward force generated by an airfoil
25. Brightest star
in the sky
28. Electric coronal discharge
30. Software
drafting tool (abbr.)
31. Programmable logic device (abbr.)
33. Type of logic gate (pl.)
35. Irratiated cosmic gas
37. Chemical symbol for radon
38. Unit of energy (pl.)
40. Stock symbol for Raytheon
41. Beat frequency oscillator
(abbr.)
43. This website's title, with 39 Down
44.
Chemical symbol for cesium
45. Mr. Morse's first name
46. Specialized mobile radio (abbr.)
49. Exponent that
returns the original number
50. Positive voltage lead
color
52. _____ Percy Maxim, founder of the ARRL
55.
Chemical compound containing at least one oxygen atom as
well as at least one other element (pl.)
57. Prefix meaning
ground or earth
58. Filter type that blocks frequencies
below and above a specified band (abbr.)
60. Chemical
symbol for europium
61. Part of a screw that engages
the driver (pl.)
62. Crystal filter type (abbr.)
64.
What common optical device produces images by reflection
66. Type of data conversion device (abbr.)
68. Chemical
symbol for neon
69. Ratio of circumference to diameter
70. Chemical symbol for beryllium
71. Added signal content
to offset losses or distortion |
1. Computer display unit
(pl.)
2. Microwaves & __ magazine
3. The antiparticle
of an electron
4. Wheel attachment point
5. Referring
to atoms
6. Time Division Multiplexing
7. Unit of
inductance (abbr.)
8. World's first satellite navigation
system (abbr.)
13. Ham's code for "Can you acknowledge
receipt?"
15. Roller bearing devices on sides of rack-mounted
equipment (pl.)
17. Company that markets Delphi software
19. Unit of processor calculation speed (abbr.)
20. Colorado
Springs military school (abbr.)
22. Upper frequency (abbr.)
26. Useful distance between Tx and Rx (pl.)
27. Unintended
frequency products from a mixer
29. Chemical symbol for
krypton
32. ___-AZIMUTH telescope mount
34. Created
an impenetrable physical barrier
36. Soaks up RF energy
37. International phonetic alphabet letter "R"
39. This
website's title, with 43A
42. Cooling device
43. Its
chemical symbol is Ce
44. Pass-Fail ________, defining
limits for acceptance test
47. Unit of inductance (abbr.)
48. 36 inches
51. What is the name of the unit of angular
measurement equal to one ninetieth of a right angle
53.
Government program to bring electricity to farms (abbr.)
54. Placed a blocking template over a PCB layout
56.
Chemical symbol for xenon
59. Attenuator
61. Communication
between stations by reflecting the radio waves off of the
ionosphere (pl.)
63. Ham abbreviation indicating contacts
with all major land masses
65. Indium phosphide
67.
Chemical symbol for cobalt
70. Chemical symbol for beryllium |
See solution below
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