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March 29, 2009 Engineering & Science Crossword Puzzle

Note: A standard for crossword puzzles is when all words in a clue are capitalized, the solution is the abbreviation or acronym for that clue; e.g., Alternating Current = AC.

2009 Engineering & Science Crossword Puzzles

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

RF Cafe: Engineering & Science Crossword Puzzle

ACROSS
1. One of four of in the Cartesian coordinate system
9. One conductor in a flexible cable
11. Global System for Mobile Communications
13. Computer Assisted Design and Development
14. Ham's code for "Answer in prearranged order."
16. Large unit of apparent power
18. Chemical symbol for calcium
19. Network file transfer protocol, abbr.
21. Type of logic gate
23. Spongy material used in anechoic chambers
26. Galilean moon
27. Peak Envelope Power
29. Chemical symbol for silicon
30. 1/6 inch printer's measure; Electromagnetic
31. Oscillator manufacturer in Whippany, NJ (abbr.)
32. A class of subatomic particles that are composed of quarks and take part in the strong interaction
34. Structures of columns and rows
36. Analog-to-Digital
37. Describes the movement of a spacecraft in space when there is no thrust from the engines
40. Akin to an EE, CE, AE, etc.
41. Miniature RF connector
42. Chemical symbol for xenon
43. Electrical overstress, abbr.
45. Stock symbol for Advanced Micro Devices
46. No insulation
48. Ham abbreviation indicating contacts with all major land masses
49. Smaller moon of Mars
51. Ferromagnetic material having high electrical resistivity, used for inductors, pl.

DOWN
2. Unit of time, abbr.
3. Capacitor manufacturer in Huntington Station, NY
4. Constellation : The dragon
5. Aircraft tracking system
6. Type of logic gate
7. Chemical symbol for neodymium
8. Modem encoding method
10. Ham's code for "Unable to copy you."
12. Very large unit of apparent power, abbr.
14. Ham's code for "What is the correct time?"
15. Antenna capacitive element
17. Soak up RF energy
19. Connector gender
20. The "N" in SNR, pl.
22. A disk operation
24. Referring to a right triangle, the trigonometric function equal to the ratio between the side opposite a given angle, and the hypotenuse
25. Electron beam particle
26. Thing in a bill of material
28. Chemical symbol for palladium
31. Chemical symbol for chlorine
33. Stock symbol for RF Micro Devices
35. Open a fuse
38. Cabinet manufacturer in Cincinnati, OH
39. Enrico _____, nuclear physicist
41. Short Message Service
44. Crystal filter type
46. Digital transmission figure of merit
47. End Of Transmission
49. Morse Code for "from"
50. Chemical symbol for selenium


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