RF Cafe Software
About RF Cafe
1996 - 2016
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 Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
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July 1961 Electronics WorldTable of Contents
People old and young enjoy waxing nostalgic about and learning some of the history of early electronics. Electronics World was published from May 1959 through December 1971. See all Electronics World articles.
Margaret LeFevre created a handful electronics-themed crossword puzzles for Electronics World magazine. Crosswords have been around for at least two centuries and come in many formats from having both x- and y-axis symmetry to symmetry about only one axis or even no symmetry at all. They can be square, rectangular, or have special shapes. This particular one has partial symmetry about the y-axis. Note that it is composed of two isolated regions with no open path between the regions. If you enjoy working crossword puzzles, there are plenty more which I have posted from electronics magazines, plus I have created hundreds of RF Cafe Crosswords.
Electronics Crossword Puzzle
By Margaret LeFevre
1. Message sending device of a ham station.
14. Component of a speaker.
15. Device for controlling transmitting frequency.
19. Department (abbr.).
20. Prefix meaning "one."
21. Chemical symbol for silver.
22. Temporary connector.
26. Glass shell of a vacuum tube.
30. Old measure of capacity (abbr.) .
31. West Africa (abbr.).
32. One of two equal parts.
33. A small island.
34. Engineering degree (abbr.).
35. The President's name contains these double letters.
36. Chemical symbol for rhenium.
38. Frequencies on either side of the carrier frequency.
45. Canadian province (abbr.).
46. Each (abbr.).
47. To cover a TV picture bit by bit.
48. Flat-bottomed boat.
49. Latin digraph retained in some scientific terms.
50. Schematic designation for a crystal rectifier.
51. Electrified particle.
54. A 45-rpm record (abbr.).
55. Chemical symbol for tin.
56. Code sending device.
58. Prefix meaning "formerly."
59. The Fifty (abbr.).
61. Indicated horsepower (abbr.).
63. Means of locomotion.
64. Suffix meaning "pertaining to."
65. Practical unit of potential.
67. One end of a magnet.
68. Man's name (var.).
70. Record of a station's activity.
73. This is used in tuning up a transmitter.
75. Diplomat (abbr.).
76. Attenuation network.
1. Circuit used to eliminate interference.
2. Amplifier-input resistor (abbr.) .
3. River in eastern France.
4. Compass point.
13. Greek letter used to designate "ohms."
16. It comes after "Blue Monday."
17. Conductor to radiate radio waves.
18. FCC permit to operate a ham station.
22. Supporting metal base on which parts are mounted.
23. Sixth note in the scale.
24. He (Fr.).
25. Unit of capacitance (abbr.).
26. Prefix meaning "two."
27. Objective case of "we."
28. In the place cited (abbr.).
29. Insulating wax with fairly low dielectric loss.
36. Device for converting radio waves back into their original form.
37. "Personal" listening device.
39. Religious pictures.
40. Man's nickname.
41. Printer's measure.
43. A master sergeant is one (abbr.) .
44.Birds of "Peace."
56. 1000 cycles.
57. Unit of time (abbr.).
60. Wise men.
64. Very small quantity.
66. Coil connection.
67. Vim and vigor.
69. A contributory insurance program for employees (abbr.).
70. Chemical symbol for lanthanum.
71. A ham operator.
72. The British Isles (abbr.).
73. Unit of inductance (abbr.).
Posted September 17, 2015