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Radio & Radar Crossword Puzzle
June 28, 2020

Here is the RF Cafe custom-made technology-themed crossword puzzle for the week of June 28th. Each week for two decades, for the sake of all avid cruciverbalists amongst us, I have created a new technology-themed crossword puzzle using only words from my custom-created lexicon related to engineering, science, mathematics, chemistry, physics, astronomy, etc. You will never find among the words names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort. You might, however, find someone or something in the otherwise excluded list directly related to this puzzle's technology theme, such as Hedy Lamarr or the Bikini Atoll, respectively. Enjoy!

cruciverbalist: [noun]  cruci- ("cross") +‎ verbal ("words") +‎ -ist ("agent, person") -- A person who constructs crosswords.

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

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

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

Radio & Radar Crossword Puzzle for June 28, 2020 - RF Cafe


1. Type of antenna with four-sided loops (2 wds.)

9. Type of logic gate (pl.)

10. Printer output resolution unit (abbr.)

11. Amateur Radio Association (abbr.)

12. Chemical symbol for francium

13. Chemical symbol for argon

17. Intermodulation (abbr.)

19. S12 or S21 (abbr.)

21. Under sampled

23. Chemical symbol for erbium

24. Digital data error checks

27. Word used in describing 2-D and 3-D object dimensions; i.e., 10 mm __ 25 mm

29. Spurious RF products created by metal joints (abbr.)

31. Ham radio organization (abbr.)

32. Chemical symbol for thallium

33. Logarithmic ratio (abbr.)

37. Using the moon as a passive reflector to establish a signal path; moonbounce (abbr.)

38. Modulation type (abbr.)

39. Ceramic tip used in wire bonding

43. Set of poles

44. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)

47. MS database

49. RF integrated circuit (abbr.)

51. Fundamental electrical component w/units of ohms (pl.)

56. Chemical symbol for gadolinium

57. Variable Frequency Oscillator

58. Intel x86 command for " jump if above"

59. Cyanide (abbr.)

60. Impenetrable physical barrier

61. BASIC looping keyword

66. Chemical symbol for neon

67. Made an adjustment to misalignment

71. Unit of frequency (archaic, abbr.)

72. Archaic term for an outdoor antenna (pl.)

74. Last stage in a transmitter (abbr.)

75. A measure of receiver quality (abbr.)

76. 10E1 numerical prefix

78. Related to FM by a differential

79. Type of distribution, squared

82. Powers pneumatic devices

84. One of the Ws in WWW

86. Additive used to reduce a mixture's volatility (pl.)

1. Type of matrix barcode used with laser scanning(abbr.)

2. Country of RF Cafe's residency

3. Type of current

4. Nearest and furthest points to the center of gravitational attraction for a body in orbit (pl.)

5. Chemical symbol for nickel

6. Chemical symbol for europium

7. 1e-6 mA

8. The "A" in BGA

9. Type of logic gate

12. Type of modulation (abbr.)

14. Radio Amateurs of Canada (abbr.)

15. Electrical safety organization (abbr.)

16. Reduced in amplitude

17. Infrared (abbr.)

18. Unit of inductance (abbr.)

20. Cable termination type

21. MS's server-side script engine for dynamically-generated web pages (abbr.)

22. Big Blue

23. Captain Kirk's starship

25. 1.602E-19 Joules

26. Unit for 1,000 watt-seconds (abbr.)

28. Signals that are just above the frequency range of human hearing of approximately 20 kHz

30. Type of digital filter (abbr.)

31. Unit of current

33. Direct Memory Access (abbr.)

34. 1/000 of an amp (abbr.)

35. Opposite of a LO

36. Ham-ese for Young Lady

38. Added catalyst

39. European equivalent to the U.L.

40. Oscillator type that is referenced to an external source (abbr., pl.)

41. Smartphone display (abbr., pl.)

42. The constellation in which Canopus is located

45. Unit of inductance (abbr.)

46. Unit of volume (abbr.)

47. Chemical symbol for arsenic

48. Early computer display screen resolution (abbr.)

50. Curly-Q type light bulb (abbr.)

52. Engineering Change Order (abbr.)

53. One port of an amplifier

54. Coefficient of temperature (abbr.)

55. Chemical symbol for rhodium

61. Finite Element Analysis (abbr.)

62. Effective frontal area presented to a microwave interrogation system (abbr.)

63. Effective Radiated Power (abbr.)

64. Akin to an EE, CE, AE, etc.

65. Chemical symbol for platinum

66. Type of rechargeable battery (abbr., pl.)

68. Half of the diameter (pl.)

69. Imaging device (abbr.)

70. Radio signals from the cosmos (abbr.)

71. 300 kHz to 3 MHz

73. Chemical symbol for lawrencium

75. Home state of Los Alamos lab (abbr.)

77. The Microwave Office software company (abbr.)

78. Chemical symbol for lead

80. Network department (abbr.)

81. Chemical symbol for terbium

82. Chemical symbol for aluminum

83. Return-to-Zero (abbr.)

85. Chemical symbol for einsteinium

See solution below

2020 Crossword Puzzle 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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Radio & Radar Crossword Puzzle Solution for June 28, 2020 - RF Cafe

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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 tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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