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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024
    Kirt Blattenberger,


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...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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Wright Brothers Crossword Puzzle
December 14, 2014

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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December 28
December 21
December 14
December 7
November 30
November 23
November 16
November 9
November 2
October 26
October 19
October 12
October 5

September 28
September 21
September 14
September 7
August 31
August 24
August 17
August 10
August 3
July 27
July 20
July 13
July 6

June 29
June 22
June 15
June 8
June 1
May 25
May 18
May 11
May 4
April 27
April 20
April 13
April 6

March 30
March 23
March 16
March 9
March 2
February 23
February 16
February 9
February 2
January 26
January 19
January 12
January 5

Wright Flyer "Kitty Hawk" - 1/24 scale model - RF Cafe111 years ago this week (December 17, 1903), Orville and Wilbur Wright made their historic first flight whereby a human and aircraft took off and flew under its own power. The Wright Flyer, piloted by Orville, took off from rails on a dune at Kill Devil Hills, NC, and remained airborne for 120 feet before landing on the beach below. The location was chosen for the orographic lift generated by the ocean winds blowing up the sandy slopes. This week's crossword commemorates the event by incorporating many relevant terms and clues. Enjoy!

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

Wright Brothers Crossword Puzzle for December 17, 2014 - RF Cafe

1. Wilbur and Orville's last name
5. Chemical symbol for radium
7. Abbreviation for peak voltage
9. Vacuum tube with three electrodes
13. Logarithmic unit of power
14. Device for allowing two surfaces to rotate wrt each other; e.g., rudder and vertical fin (pl.)
15. Switch position
16. Constellation : The lion
19. Below ELF
21. Chemical symbol for nobelium
22. Stock symbol for Conexant
23. Local Oscillator (abbr.)
26. Region between semiconductor doping potentials
29. Integrated radio front-end for the 300 MHz to 3 GHz band (abbr., 2 wds.)
32. Read-only (abbr.)
34. Ham award meaning Worked All Zones
35. Aircraft tracking system (pl.)
36. Hub of the solar system
37. Weight (abbr.)
40. 300 Hz to 3 kHz in audio (abbr.)
42. Generate frequencies with divide-by-N circuitry
46. Chemical symbol for praseodymium
47. Type of wire used to wind baluns and couplers
48. Chemical symbol for manganese
49. Chemical symbol for aluminum
50. Plural of 45 Down
51. High power density battery chemistry (abbr.)
52. Filter type that blocks upper frequencies (abbr.)
53. With 58 Down, place where the Wrights conducted their experiments (2 wds.)
56. Chemical symbol for nickel
59. Chemical symbol for beryllium
60. Bulk Acoustic Wave
63. One conductor in a flexible cable
65. Common gateway interface (abbr.)
67. Electronics manufacturer with "meatball" logo
69. The Wright brothers' primary manufacturing product
71. Put a new program on a computer
73. Chemical symbol for europium
74. One factor of a polynomial
75. Unit of time (abbr.)
76. Lowest power level capable of being demodulated (abbr.)
79. Type of chart
80. Greek letter
82. The "R" in RF Cafe (pl.)
84. Peak envelope power (abbr.)
86. The Wright brothers'' home town
87. Electrical safety organization (abbr.)
88. Chemical symbol for neon
89. Summers
1. One of the Wright brothers
2. Chemical symbol for gadolinium
3. Heterojunction Bipolar Transistor
4. Chemical symbol for thulium
5. Chemical symbol for rhodium
6. What the Wright brothers are famous for inventing
7. The Wright Flyer's engine featured this (pl.)
8. Unit of time (abbr.)
9. Part of a FOR loop
10. Radio frequency interference (abbr.)
11. Band between RF and BB
12. Ground ______, the lifting force within a wingspan of the ground
17. Semiconductor On Insulator (abbr.)
18. 3 kHz to 30 kHz
20. Kitty ___, North Carolina
21. Non-return to zero (abbr.)
24. Type of logic gate (pl.)
25. The Wright Flyer had an upper one and a lower one
27. Chemical symbol for radium
28. Chemical symbol for erbium
30. High speed (abbr.)
31. Upper frequency (abbr.)
33. The other Wright brother (see 1 Down)
37. Flight control surface method used on the Wright Flyer
38. Force required to impart an acceleration of one centimeter per second per second to a mass of one gram (pl.)
39. Type of telescope mount (abbr., pl.)
41. Network file transfer protocol (abbr.)
42. Electronic component package type (abbr.)
43. The computer in 2001: A Space Odyssey
44. Electroluminescent halogen (abbr., yes, I made that up but it's legit)
45. College degrees earned by many RF Cafe visitors
46. Part of a male connector
54. Not external
55. System used on the Wright Flyer's engine
57. Amplifier vendor in Palm Bay, FL, now part of Spectrum Microwave
58. With 53 Across, place where the Wrights conducted their experiments
59. Sent a ray of light
61. Type of current flow (abbr.)
62. 3-phase transformer configuration
63. Simple logic (abbr.)
64. Opposite of up (abbr.)
65. A common RS-232 serial bus command (abbr.)
66. Chemical symbol for gallium
68. Surplus
70. Mr. Piper's famous yellow airplane
72. Add two or more inputs
77. 2-way conversation, Ham term
78. Positive voltage lead color
80. Chemical symbol for platinum
81. One port of an amplifier
82. Chemical symbol for ruthenium
83. Chemical symbol for selenium
84. Last stage in a transmitter (abbr.)
85. Chemical symbol for palladium



See solution below





























Wright Brothers Crossword Puzzle Solution for December 17, 2014 - RF Cafe

everythingRF RF & Microwave Parts Database (h1) - RF Cafe
Triad RF Systems Amplifiers - RF Cafe
RF Cascade Workbook 2018 by RF Cafe

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