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This custom RF Cafe electronics-themed crossword puzzle for April 30th contains
words and clues which pertain exclusively to the subjects of electronics, science,
physics, mechanics, engineering, power distribution, astronomy, chemistry, etc.
Every other row has words beginning with "R" and "F." If you do see names of people
or places, they are intimately related to the aforementioned areas of study. As
always, you will find no references to numbnut movie stars or fashion designers.
Need more crossword RF Cafe puzzles? A list at the bottom of the page links to hundreds
of them dating back to the year 2000. Enjoy.
Reproduction of this puzzle without the express permission
of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words
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1. Dilbert rodent
6. Wear on a component due
to repeated stress
11. Chemical symbol for helium
12. Chemical symbol for
arsenic
13. Engineering Change Order (abbr.)
15. Satellite of Jupiter discovered
by Galileo
16. Greek letter used for frequency
17. Chemical symbol for silicon
19. Basic storage unit of a database (pl.)
22. Upper frequency (abbr.)
23.
High frequency semiconductor (abbr.)
25. Hub of the solar system (pl.)
26.
One component of a complex number (abbr.)
27. The last transmission by a station
during a contact
28. European equivalent to the U.L.
29. International Telecommunications
Union
30. Last stage in a transmitter (abbr.)
31. Local Oscillator (abbr.)
33. Stock symbol for Lockheed Martin
35. Chemical symbol for nobelium
36.
Effective frontal area presented to a microwave interrogation system (abbr.)
37. Unit of length (abbr.)
39. Mr. Tesla's first name
40. Code used for automating
software task
41. Chemical symbol for radium
42. Wireless transmitting device
that opens a car door remotely
43. Shorthand for oxygen
44. Early computer
display screen resolution (abbr.)
46. Read-only (abbr.)
48. Unit of length
(abbr.)
49. Chemical element abbreviated Sn
50. Chemical symbol for rubidium
52. Thin metallic shield material around coax cable (pl.)
53. Chemical symbol
for bismuth
54. Parameter that is a figure of merit for receiver performance
in presence of multiple signals (abbr.)
56. DXing term used when validity of
DX station is in doubt
58. Part of this website's title
59. Units of current
63. Small unit of capacitance (abbr.)
64. Front edge of a wing (abbr.)
65.
Chemical symbol for calcium
66. Time division duplex (abbr.)
67. 1e-6 mA
69. Weight (abbr.)
71. Bend electromagnetic energy
72. Equation |
1. Chemical symbol for rhodium
2. Active Electronically
Scanned Array (abbr.)
3. Stock symbol for Boeing
4. Resistive component of
a capacitor's lumped element model (abbr.)
5. Temporary Engineering Change document
(abbr.)
6. BASIC looping keyword
7. Service of the ARRL that helps hams solve
technical problems (abbr.)
8. Galilean moon
9. Balun with both ports unbalanced
10. Chemical symbol for europium
14. Describes having installed BNC, SMA, N,
7/16, et al
18. International Amateur Radio Union (abbr.)
20. Erbium Doped
Fiber Amplifier (abbr.)
21. Stock symbol for Dell Computer
22. Gasoline, diesel,
etc.
24. Chemical symbol for selenium
25. Chemical symbol for scandium
29. Having to do with charged particles
30. Type of graph with a circular grid
32. The UK's equivalent of the FCC
34. Largest moon of Saturn
35. Type of
logic gate
38. Ham abbreviation for transceiver
45. Amateur Radio Direction
Finding (abbr.)
47. Orthogonal frequency-division multiplexing (abbr.)
48.
BSEE + 2 years
49. Image file format name extension
51. Filter type that blocks
frequencies in a specified band (abbr.)
53. Bandwidth (abbr.)
55. Release
control over
57. DXing term used when validity of DX station is in doubt
59.
A common battery cell size
60. Push to Talk (abbr.)
61. Radio Direction Finding
(abbr.)
62. Signal-to-noise ratio (abbr.)
64. Chemical symbol for lawrencium
65. Chemical symbol for chromium
68. Modulation type (abbr.)
70. Chemical
symbol for tantalum |
See solution below
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