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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024
Webmaster:
    Kirt Blattenberger,

    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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Radio Theme Crossword Puzzle
August 15, 2021

This Radio Theme crossword puzzle for August 15th, 2021, contains only words and clues related to engineering, mathematics, chemistry, physics, and other technical words. As always, this crossword contains no names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort unless it/he/she is related to this puzzle's technology theme (e.g., Hedy Lamarr or the Bikini Atoll). The technically inclined cruciverbalists amongst us will appreciate the effort. Enjoy!


Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

Radio Theme Crossword Puzzle for August 15th, 2021 - RF Cafe

ACROSS DOWN
1. MS database
5. Join a male and a female connector
9. Global System for Mobile Communications (abbr.)
10. Chemical symbol for manganese
11. 60 seconds
13. 1/100 meter (abbr.)
14. Exponent that returns the original number
15. Type of graph with a circular grid
16. Chemical symbol for tantalum
18. Unit of energy (pl.)
19. Filter type that blocks frequencies in a specified band (abbr.)
20. Chemical symbol for radon
21. Opposite of a LO
22. Type of flip-flop
23. Battery vendor
26. Semiconductor lamp
29. One component of a complex number (abbr.)
30. Difference in voltage between the surface of the diffuse layer surrounding a colloidal particle and the bulk liquid beyond (2 wds.)
33. Chemical symbol for beryllium
34. Unit of length equal to 5.5 yards
36. Creating an electric coronal discharge
40. Mr. Piper's famous yellow airplane
42. Term indicating profitability of a company (abbr.)
43. Being exactly the same in mathematics
45. Greek letter
47. 1/000 of an amp (abbr.)
50. Rms current times rms voltage (2 wds.)
53. Pure carrier (abbr.)
55. Transmit Incremental Tuning (abbr.)
56. Amateur radio operators trade this with each other after making contact (2 wds.)
58. Centimeter (abbr.)
59. Type of logic gate
60. Upper frequency (abbr.)
61. Electromagnetic (abbr.)
62. The Brits call it a valve
63. Chemical symbol for selenium
64. Control and monitoring board
67. Finite Element Analysis (abbr.)
68. Read-only (abbr.)
69. Unit of angular measurement equal to one ninetieth of a right angle
71. Test equipment (abbr.)
72. Personal Handy Phone System (abbr.)
74. Physical unit by which power is measured
75. Mr. Pascal's first name
1. Chemical symbol for arsenic
2. Logic family
3. Using Earth's natural satellite as a passive reflector to establish a signal path (abbr.)
4. Chemical symbol for tin
5. 1/000 of an inch
6. Association of North American Radio Clubs
7. Another word for each complete winding of an inductor
8. Radio signals from the cosmos (abbr.)
9. General Mobile Radio Service (abbr.)
11. Chemical symbol for molybdenum
12. Ethoxyethane
13. Frequency unit
15. Device used to make contact with a point to be measured
17. Part of CAD
19. Word used in describing 2-D and 3-D object dimensions; i.e., 10 mm __ 25 mm
24. Its unit is the dalton (2 wds.)
25. "Pi" pad, "T" pad, etc.
27. Set of poles
28. Precision approach radar (abbr.)
31. Chemical symbol for niobium
32. Plural of locus
35. Device under test (abbr.)
36. Chemical symbol for strontium
37. Type of e-mail address system (abbr.)
38. Active Electronically Scanned Array (abbr.)
39. Electronics manufacturer with "meatball" logo
41. Word used in describing 2-D and 3-D object dimensions; i.e., 10 mm __ 25 mm
44. Low altitude earth orbit
46. Innovative Power Products, Holbrook, NY (abbr.)
48. Chemical symbol for argon
49. Temperature-compensated crystal oscillator (abbr., pl.)
51. A popular spreadsheet
52. International phonetic alphabet letter "R"
54. Sent a telegram
56. Unit of liquid volume
57. Modulation type (abbr.)
58. Citizens Broadband Radio Service (abbr.)
60. Field Programmable Gate Array (abbr.)
62. Transformer interwinding connections
65. On-the-air meeting of hams at a set time, day and radio frequency
66. BS__ - the degree held by many RF Cafe visitors
67. Finite Element Analysis (abbr.)
70. Modern battlefield technique (abbr.)
71. Chemical symbol for thallium
73. Chemical symbol for helium

See solution below

 

2021 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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December 5

November 28

November 21

November 14

November 7

October 31

October 24

October 17

October 10

October 3

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September 5

August 29

August 22

August 15

August 8

August 1

July 25

July 18

July 11

July 4

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May 2

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April 18

April 11

April 4

March 28

March 21

March 14

March 7

February 28

February 21

February 14

February 7

January 31

January 24

January 17

January 10

January 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Radio Theme Crossword Puzzle Solution for August 15th, 2021 - RF Cafe

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