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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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RF Cafe Engineering Crossword Puzzle w/Weekly Headlines
July 1, 2018

At least 10 clues with an asterisk (*) in this technology-themed crossword puzzle are pulled from this past week's (6/25 - 6/29) "Tech Industry Headlines" column on the RF Cafe homepage. For the sake of all the avid cruciverbalists amongst us, each week I create a new technology-themed crossword puzzle using only words from my custom-created 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, see someone or something in the exclusion list who or that is directly related to this puzzle's theme, such as Hedy Lamar 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

RF Cafe Engineering Crossword Puzzle w/Weekly Headlines July 1, 2018

1. Caffeine from 4 Cups of ______ Protects Heart *

4. FCC to Take Comment on Opening More Mid-Band ________ *

8. Wired Equivalent Privacy (abbr.)

10. Ham's code for "Shall I send more slowly?"

11. Early programming language

13. Relative power level unit (abbr.)

15. Material testing organization (abbr.)

17. Components

18. 10E1 numerical prefix

19. Branch of the armed forces

21. Read-only (abbr.)

22. Amateur radio abbreviation for the Oceania region (abbr.)

23. Third planet from the sun

25. SIgnal to Noise And Distortion (abbr.)

27. Chemical symbol for thallium

28. Silicon transistor type (abbr.)

29. Sporadic E-layer ionospheric propagation (hyph.)

32. Electronics manufacturer with "meatball" logo

33. Chemical symbol for manganese

34. Chemical symbol for magnesium

35. Study for a test just before taking it

37. ___ Equipment Billings Rose 19% in May *

38. Unit of length (abbr.)

40. One port of an amplifier

41. Chemical symbol for cobalt

42. Crystal face

43. Stock symbol for Raytheon

44. Why Proposed __ Copyright Law May Cause Chaos (abbr.) *

45. Generalized Multiprotocol Label Switching (abbr.)

47. Russia Warns Against Trump's 'Alarming' Plans for U.S. _____ Domination *

49. Band between RF and BB

50. Chemical symbol for cobalt

51. Mr. Dirac's first name

53. Chemical symbol for silicon

54. Equivalent of Windows on Apple products

56. Asynchronous Digital Subscriber Line (abbr.)

59. Official Space Shuttle designation (abbr.)

61. Number system which uses only the digits 0 to 7

62. Exponent that returns the original number

64. Peak envelope power (abbr.)

66. ARISS-Russia Testing Undeployed ________ from + [49 Down] (abbr.) *

67. Rising Concerns over Hackers Using Satellites to ______ U.S. *

1. Cellular Telecommunications Industry Association

2. Name the French mathematician who is recognized as the founder of number theory

3. Modern battlefield technique (abbr.)

4. Longitudinal shape-forming structural element

5. Inventor of the incandescent light bulb

6. Chemical symbol for tantalum

7. Popular computer device interface (abbr.)

9. Online auction site

10. Unit of liquid measure (abbr.)

12. Remove insulation from a wire

13. Type of data conversion device (abbr.)

14. Supreme Court Rules Warrants Required for _________ Location Data *

16. Use a filter to assure the spectral content of transmitted signal

17. Related to FM by a differential

18. Reorg Puts ___ in Charge of Security Clearances (abbr.) *

20. Its chemical symbol is Re

23. Volkswagen _________ a Win at Pikes Peak Hill Climb *

24. Chemical symbol for radon

25. Greek letter, used to indicate summation (pl.)

26. Test equipment vendor

30. Unit of length (abbr.)

31. Centimeter (abbr.)

33. Unit of inductance (abbr.)

36. Army-Navy specification prefix

37. European equivalent to the U.L.

39. Unit of frequency (archaic, abbr.)

41. Continuous Tone Coded Squelch System (abbr.)

42. Create a power supply output w/o a ground reference

43. Chemical symbol for radium

45. Ground fault interrupter (abbr.)

46. PC Card - with 68 pin interface

48. Existing in only 2 dimensions

49. ARISS-Russia Testing Undeployed + [66 Across] + from ___ (abbr.) *

51. Compliment to a zero in a polynomial

52. Chemical symbol for arsenic

55. Common shorthand reference for a capacitor (pl.)

57. Morse Code for "from"

58. Upward force generated by an airfoil

60. Greek letter

63. Test equipment (abbr.)

65. Chemical symbol for platinum

See solution below

2018 Crosswords Archive

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.