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    Kirt Blattenberger,

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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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Engineering & Science Crossword Puzzle

January 8, 2012

2012 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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Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

RF Engineering Crossword Puzzle, 1/8/2012 - RF Cafe

ACROSS DOWN

1. Gallium nitride chemical symbol

4. Balanced-to-unbalanced device

9. Relative power level unit (abbr.)

12. Nearest and furthest points to the center of gravitational attraction for a body in orbit

13. _____ rule, a 1950s engineer's tool

14. Device to assist in the performance of a chore

16. Adjust

17. Chemical symbol for europium

18. Ratio of circumference to diameter

19. What name is given to the most frequently occurring number in a series of numbers

20. ______ velocity - speed necessary to become free of the Earth's gravitational force

23. Created upward force with an airfoil

25. ___-AZIMUTH telescope mount

27. Repositions

28. Computer monitor cable type (abbr.)

29. Electric coronal discharge

31. (fUpper + fLower) / 2

32. Greek letter used for resistance

34. Ham's code for "What is your location?"

36. Voltage limiter

37. Unit of frequency

38. Existing in only 2 dimensions

43. European space probe which visited Halley's comet

48. Digital Enhanced Cordless Telephone

49. Chemical symbol for aluminum

51. Decimeter (abbr.)

52. Its chemical symbol is Fe

53. Commercial Off-the-Shelf

54. Metric length unit

56. Geometric entity with only length

57. Half of DSB

58. Queries an input for changes

59. "Texting" (abbr.)

1. General Packet Radio Service

2. Application Specific Integrated Circuit (abbr.)

3. Electric enclosure standard organization (abbr.)

4. RF engineer's degree

5. Arithmetic Logic Unit (abbr.)

6. Chemical symbol for lithium

7. User Datagram Protocol

8. Apollo 11 astronaut ____ Armstrong

9. Dual Tone Multi-Frequency

10. Turn on the computer

11. The "C" in CDMA

12. Automated Test Equipment (abbr.)

15. Semiconductor lamp

21. Cellphone band above DCS

22. Scientific formula

24. Precision landing system (abbr.)

25. Chemical symbol for argon

26. Chemical symbol for terbium

27. 1/1000000 prefix

30. Turn on a repeater by transmitting on its input freq (2 wds.)

33. Automatic network analyzer (abbr.)

34. Unit of liquid measure (abbr.)

35. CPS

36. Printer output resolution unit (abbr.)

38. Personal Digital Cellular

39. Low altitude earth orbit

40. Advanced Communication Technologies and Services (abbr.)

41. Transportation accident investigation agency (abbr.)

42. Increase voltage linearly

43. General Mobile Radio Service (abbr.)

44. Applies a lubricant

45. Adjust

46. Unit of weight (pl.)

47. Exponent that returns the original number

50. Constellation : The lion

51. Keyboard key

55. Chemical symbol for thallium


See solution below

RF Engineering Crossword Puzzle Solution, 1/8/2012 - RF Cafe

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