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This custom RF Cafe electronics-themed crossword puzzle for May 21st contains
words and clues which pertain exclusively to the subjects of electronics, science,
physics, mechanics, engineering, power distribution, astronomy, chemistry, etc.
If you do see names of people or places, they are intimately related to the aforementioned
areas of study. Being that "T" is the 21st letter of the alphabet, it is used as
the first and/or last letter of many words in today's crossword puzzle. 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. What is the natural conversion of one element
into another by radioactive decay
10. Unit of length (abbr.)
12. Mr. de Forest's
first name
13. Greek letter used for frequency
14. Unit of liquid measure
(abbr., pl.)
15. Synchronous Digital Hierarchy
16. Type of logic gate
18.
Raise a number to the 3rd power
20. Ultra High Voltage (abbr.)
22. Morse Code
for "from"
23. 1/000 of an inch
24. Device for matching antenna impedance
to transmitter impedance (pl.)
26. Powers pneumatic devices
27. Chemical symbol
for silver
28. 2 x SSB
29. Opposite of I.D.
30. 1/100 meter (abbr.)
31. Service of the ARRL that helps hams solve technical problems (abbr.)
32.
Amateur radio abbreviation for the Oceania region (abbr.)
34. Ham's code for
"Shall I increase power?"
35. Chemical symbol for tin
37. Chemical symbol
for nobelium
38. Chemical symbol for cesium
39. Switch position
41. Chemical
symbol for scandium
42. Type of logic gate (pl.)
43. Chemical symbol for radon
44. Negative temperature coefficient (abbr.)
45. Last stage in a transmitter
(abbr.)
47. 1,000 seconds (abbr.)
48. Temporary Engineering Change document
(abbr.)
49. Upper frequency (abbr.)
50. ___/IP scheme for networked connectivity
52. Structures of columns and rows
56. ___/IP scheme for networked connectivity
57. ________ _____ - Degrees of separation between two lines meeting at a common
vertex (2 wds., abbr.)
59. Software drafting tool (abbr.)
61. A common lamp
tube gas
63. Chemical symbol for chlorine
64. Logic family (abbr.)
65.
Big Blue
67. Type of current flow (abbr.)
68. Oscillator type that is referenced
to an external source (abbr.)
70. Chemical symbol for helium
71. The sending
of radio signals (pl.) |
1. British aircraft designer of the WWI Camel and
Pup
2. Chemical symbol for aluminum
3. On-the-air meeting of hams at a set
time, day and radio frequency
4. Chemical symbol for selenium
5. Balun with
both ports unbalanced
6. The Brits call it a valve
7. Slang for when a professor
hints at an exam problem (abbr.)
8. International Telecommunications Union
9. Workplace safety group (abbr.)
10. Frequency Division Duplex
11. Junction
between two different metals that produces a voltage related to a temperature difference
(pl.)
17. Slang for transmitter and/or receiver
18. Mr. Piper's famous yellow
airplane
19. Chemical symbol for erbium
21. Digital encoding of the transmission
mode in the vertical sync portion of an SSTV image (abbr.)
24. Thin Shrink Small
Outline Package (abbr.)
25. System On Chip
28. Deutsche Industrie Normenausschuss
30. Stock symbol for Harris Communications
32. Unix, Linux or Windows (abbr.)
33. Frequency (pl.)
36. Gun safety and education organization (abbr.)
38.
Cyanide (abbr.)
40. Negative temperature coefficient (abbr.)
43. Readability,
Signal, and Tone (QoS report type)
46. Schematic label for voltage supply node
48. Base of the decimal number system
49. U.S. Spectrum allocation agency
51. Set of poles
53. Army-Navy specification prefix
54. Light ray
55. Plural
of locus
58. Automated Test Equipment (abbr.)
60. Sound-pressure level derived
using A-weighting
62. Voltage-current phase mnemonic
66. Chemical symbol for
manganese
68. Unit of time (abbr.)
69. Local Oscillator (abbr.) |
See solution below
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