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Radar Engineering Crossword Puzzle
August 16, 2015

Many of the words in this week's crossword puzzle pertain to radar engineering. All the rest of the words are related to technology, engineering, science, mathematics, aeronautics, ham radio, chemistry, etc. There are no names of Hollywierd actors, shoe designers, or romance novel titles. Enjoy.

I will be glad to create a special edition crossword for your newspaper, newsletter, etc.

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

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

Rada Engineering Crossword Puzzle for August 16, 2015 - RF Cafe


1. Type of 4 Across that exploits platform motions (acr.)

4. Aircraft tracking system (acr.)

8. Light rays

12. A type of digital modulation (acr.)

15. Automatic network analyzer (acr.)

17. Signal-to-noise ratio (acr.)

18. CDMA Development Group (acr.)

19. File name extension for an ASCII file

21. Chemical symbol for aluminum

23. Arithmetic Logic Unit (acr.)

25. Synchronous Digital Hierarchy (acr.)

27. Greek letter often used to represent an angle

28. Type of 4 Across used to guide airplanes in for a landing (acr.)

29. Chemical symbol for manganese

30. Type of memory (acr.)

32. Ham abbreviation for transceiver

34. Unit of length (abbr.)

35. Galilean moon

36. Very large unit of apparent power (acr.)

37. Adjust a pot

38. x, y, or z on Cartesian coordinates

39. Semiconductor lamp (acr.)

41. Base of the decimal number system

42. Ham abbreviation indicating contacts with all major land masses

43. Society of Civil and Structural Engineers (acr.)

45. Test document for verifying proper function (acr.)

46. Miniature threaded RF connector

48. Test instrument for measuring resistance

49. Parabolic antenna-to-waveguide interface component (2 wds.)

50. Personal Digital Cellular (acr.)

52. The UK's largest defense electronics contractor (acr.)

53. The "O" in ROM

56. Ham's code for "Answer in prearranged order."

58. Anatech Electronics Inc., (acr.)

59. Common average used for sinewaves (acr.)

62. Dual Tone Multi-Frequency (acr.)

65. International Telecommunications Union (acr.)

66. Ham's code for "Shall I increase power?"

67. __ + 51 Down, the name of this website

68. Chemical symbol for aluminum

70. The computer in 2001: A Space Odyssey

72. Circuit element connecting PCB layers

73. Type of current (acr.)

74. FCC Part 15 rules apply in this band (acr.)

75. Color quality

76. Semiconductor On Insulator (acr.)

78. Wireless application protocol (acr.)

80. Chemical symbol for lawrencium

81. Online service

82. Curly-Q type light bulb (acr.)

83. The "B" in BER

85. Computer monitor resolution measure (acr.)

87. Circuit for firing a 4 Across magnetron (acr.)

88. Movement pattern of a 4 Across display

89. Electro-mechanical control device

90. International Reply Coupon (acr.)

2. A common battery cell size

3. Rádio Nacional de Angola (acr.)

5. Chemical symbol for arsenic

6. The system than converts common website names to IP addresses (acr.)

7. Amateur Radio Direction Finding (acr.)

9. Name for a reflected 4 Across signal

10. Ticker symbol for Analog Devices

11. Chemical symbol for magnesium

12. Type of 4 Across for local air traffic control (acr.)

13. Chemical symbol for scandium

14. Antenna shape used with 4 Across (acr., pl.)

16. ___-AZIMUTH telescope mount

19. A common battery cell size

20. Large array of disparate radio frequency communications structures (2 wds.)

22. Shorthand for liquid oxygen

24. Internet address (acr.)

26. Web page language

27. Part of a male connector (pl.)

28. Common plastic insulation type (acr.)

29. Akin to EEs, CEs, AEs, etc.

31. State where Willow Run bomber factory was located during WWII (abbr.)

33. Chemical symbol for xenon

36. 1/000 of an amp (acr.)

37. Chemical symbol for scandium

40. Federal ofice that sponsors technical research as for 4 Across (acr.)

42. A processed or unprocessed semiconductor substrate

44. 10 decibels

47. Frequency Division Duplex (acr.)

51. 67 Across + ____, the world's best engineering website

52. Steady-state voltage reference

54. Negative temperature coefficient (acr.)

55. Chemical symbol for lutetium

56. Ham's code for "Is my transmission being interferred with?"

57. Chemical symbol for nobelium

60. Unit of inductance (acr.)

61. Crystal filter type (acr.)

63. Boob tube (abbr.)

64. 1/000 of an inch

66. Ham's code for "Can you acknowledge receipt?"

67. The "R" in DRC in substrate layout (singular form)

69. Part of an antenna's radiation pattern

71. Once around a circuit

74. Charged particle

75. Magazine on RF & microwaves topics (acr.)

77. Type of digital filter (acr.)

79. 4 Across display (acr.)

81. Sound frequency in the human hearing range (acr.)

82. Pure carrier (acr.)

84. Television (abbr.)

86. Infrared (abbr.)

See solution below


2015 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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Rada Engineering Crossword Puzzle Solution for August 16, 2015 - 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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