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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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Independence Day Radio Crossword Puzzle
July 12, 2020

This week's custom RF Cafe crossword puzzle contains some words particular to amateur radio, along with other tech-themed words and clues. Each week for two decades I have created a new technology-themed crossword puzzle using only words (1,000s of them) 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. Avid cruciverbalists amongst us: the gauntlet has been thrown down.

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.

Independence Day Radio Crossword Puzzle for July 12, 2020 - RF Cafe

 

ACROSS DOWN
1. Radio receiver scheme which mixes a second frequency (LO) with the incoming radio signals

12. Chemical symbol for francium

13. He developed an alphabet composed of dots and dashes

14. Band between RF and BB

16. Opposite of I.D.

18. BASIC looping keyword

21. System On Chip

22. Compressed image file format

24. Equalizer (abbr.)

25. Mr. Piper's famous yellow airplane

27. Resistive component of a capacitor's lumped element model (abbr.)

28. Electromagnetic radiation in the visible spectrum

30. Automaton

31. Greek letter used for resistance

34. PCB mask exposing ray (abbr.)

35. Hit a component with an electrostatic discharge

37. Logarithmic unit of voltage (abbr.)

38. Chemical symbol for erbium

39. Family of ICs with a certain component density level (abbr.)

41. Current-voltage phase mnemonic

42. Stock symbol for Intel

44. Just entering the nonlinear region

47. Sharp bend in I-V curve

49. One component of a complex number (abbr.)

50. Circuit for maintaining constant voltage (abbr.)

53. Ultra High Voltage (abbr.)

54. Ham's code for "Can you copy me?"

56. Test equipment (abbr.)

57. Abbreviation for acknowledge (also a common word used by Bill the Cat)

59. Permeability-tuned oscillator (abbr.)

60. Polling line state

62. Factor of a polynomial

63. Satellite milieu

66. Modulation type (abbr.)

67. Anatech Electronics Inc., (abbr.)

69. On-the-air meeting of hams at a set time, day and radio frequency

70. Chemical symbol for thulium

71. Rádio Nacional de Angola (abbr.)

73. Akin to WAC, only just in America

74. Most protruding part of planetary rings as seen from distance

76. Type of chart use for project planning

79. Possess luminosity

81. PC follower

82. Printer resolution abbreviation

83. Early computer display screen resolution (abbr.)

84. Low Noise Amplifier (abbr.)

85. Chemical symbol for nobelium

2. Unit of capacitance (abbr.)

3. Rate of a radar transmitter's output waveform (abbr.)

4. 1/100 meter (abbr.)

5. Electrical overstress (abbr.)

6. Systematic approach to locating the cause of a fault in an electronic circuit or system

7. A keyboard key

8. One component of a complex number (abbr.)

9. Compound used as the frequency determining element in microwave oscillators

10. A measure of receiver quality (abbr.)

11. Chemical symbol for cobalt

15. "Calling any amateur radio station"

17. Antenna structure that connects directly to the feed line (2 wds.)

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

20. Chemical symbol for ruthenium

22. JavaScript (abbr.)

23. Device used to make contact with a point to be measured

24. O-scope triggering method (2 wds.)

26. Filter type that blocks frequencies in a specified band (abbr.)

27. Radio signals from the cosmos (abbr.)

28. Chemical symbol for lutetium

29. CPS

32. 1e3 uV

33. Chemical symbol for argon

36. Unit of time (abbr.)

37. Type of current

40. Galilean moon

41. Network department (abbr.)

42. Infrared (abbr.)

43. Chemical symbol for calcium

45. Greek letter used for frequency

46. 1.602E-19 Joules

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

48. BS__ - the degree held by many RF Cafe visitors

51. One tier of a PCB

52. Unit of volume (abbr.)

54. Unit of liquid measure (abbr.)

55. Front end of a rocket (pl.)

58. Chemical symbol for krypton

59. Unit of time (abbr.)

60. Chemical symbol for radium

61. 10E1 numerical prefix

64. Chemical symbol for platinum

65. Electromagnetic (abbr.)

68. One port of an amplifier

69. 1e-6 mA

72. Chemical symbol for silver

73. Weight (abbr.)

74. A common battery cell size

75. Analog-to-Digital (abbr.)

77. Type of current flow (abbr.)

78. Chemical symbol for tantalum

79. Chemical symbol for gallium

80. Write-Once (abbr.)


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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Amateur Radio Crossword Solution for July 12, 2020 - RF Cafe

Triad RF Systems Amplifiers - RF Cafe
Copper Mountain Technologies (VNA) - RF Cafe
RIGOL Technologies (test equipment) - RF Cafe
 

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