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1. Seven- electrode tube.
2. Popular term used to designate transmission medium for radio waves.
3. Symbol for grid potential.
5. False statement.
6. Also called a "remote broadcast."
7. Eight-electrode tube.
10. Dielectric used in tuning capacitors.
11. Legal corporate entity (abbr.).
12. Type of relay contacts (abbr.).
15. Unit of magnetic intensity.
17. Effective value of an alternating current (abbr.).
18. The (Spanish).
19. Element No. 10 (abbr.).
24. It goes into a jack (abbr.).
25. To conclude by reasoning.
26. Insulating material often used in radios.
27. Elementary charge of negative electricity.
29. Sometimes called a "beam bender."
31. Symbol on a schematic.
32. Miniature tube with nine pins.
36. Pulse repetition frequency (abbr.) .
37. Abbreviation for the 28th element.
38. High -voltage TV transformer.
39. Not d.c.
40. Prefix meaning "electric."
42. Beverage.
43. Correlative of "either."
47. A system of weights for precious metals.
48. Antenna matching device.
51. Commonly called the "plate."
54. Electrical discharge through the air.
58. Grid potential (abbr.).
59. Space between the surfaces of two electrodes.
61. Type of tube
62. Suffix meaning "one who has to do with."
64. Tube designed to boost signal voltage. (abbr.)
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By William R. Shippee
Across
1. Six- electrode tube.
4. Alloy for PM speaker magnets.
8. And (Latin).
9. Ratio of output voltage to input voltage.
13. Abbreviation or "that is" (Latin).
14. Voice transmission on the ham bands.
16. Small change in the value of a variable.
20. Starting point on a golf course.
21. Control from afar (abbr.).
22. Prefix meaning "oil."
23. Apparatus found in a planetarium.
24. Greek letter.
26. Unit of relative power.
28. Effect produced by interference.
30. On the outside.
33. Intermediate frequency (abbr.).
34. Used In TV to deflect the electron beam.
35. Type of transistor.
38. To reduce signal amplitude gradually.
41. Quantity having magnitude and direction.
44. Prefix meaning "three."
45. Ratio of inductance to capacitance.
46. To change.
47. Type of receiver (abbr.).
48. To exist.
49. Italian monetary unit.
50. Egyptian sun god.
52. Automatic chrome control (abbr.).
53. Toward.
55. Capacitors sometimes do this.
56. Officer (abbr.).
57. Capacity for performing work.
60. To force onward.
63. Airport control system (abbr.) .
65. A high- vacuum, high -voltage diode.
66. Position of a periodic wave a any instant.
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