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This Radio Theme Christmas Crossword Puzzle for December 19th has many words
and clues related to RF, microwave, and mm-wave engineering, optics, mathematics,
chemistry, physics, and other technical subjects. There is also a holiday greeting
contained within. As always, this crossword contains no names of politicians, mountain
ranges, exotic foods or plants, movie stars, or anything of the sort unless it/he/she
is related to this puzzle's technology theme (e.g.,
Reginald Denny or the
Tunguska
event in Siberia). The technically inclined cruciverbalists amongst us will
appreciate the effort. Enjoy
Reproduction of this puzzle without the express permission of
RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words
1. 1,000 seconds (abbr.)
3. He developed a law
stating the sum of all currents into and out of a node is zero
9. Chemical symbol
for calcium
11. Brings together
12. Chemically reacted to harden
13. Intermodulation
distortion (abbr.)
16. Logic family
17. High Definition Television
18.
Material testing organization (abbr.)
20. BS__ - the degree held by many RF Cafe
visitors
21. Chemical symbol for einsteinium
23. Readability, Signal, and
Tone (QoS report type)
25. Unlicensed FCC Part 95 realm for personal and business
radio use (abbr.)
26. One component of a complex number (abbr.)
27. Amateur
Radio on the International Space Station (acr.)
29. Crystal face
31. The "S"
in CES, the world's largest yearly convention of gadget and device manufacturers
34. _____ + 79 Across is my holiday greeting to you. Thanks for being an RF Cafe
patron!
36. Wheel attachment point
38. Rádio Nacional de Angola (abbr.)
39. Greek letter
40. Stock symbol for Raytheon
41. Start frequency (abbr.)
42. Unit of time (abbr.)
43. Chemical symbol for antimony
45. 10E1 numerical
prefix
47. Akin to an EE, CE, AE, etc.
48. Electromagnetic (abbr.)
50.
An abbreviation for "receiver"
52. Alternative name for Beta Persei
54. Connector
type
56. Type of modulation (abbr.)
57. Network department (abbr.)
58.
300 kHz to 3 MHz
60. Opposite of a LO
62. Home state of Los Alamos lab (abbr.)
63. Chemical symbol for europium
65. Engineering Change Notice (abbr.)
67.
Dilbert rodent
70. Negation prefix
72. Chemical symbol for lanthanum
73.
Chemical symbol for platinum
74. Logarithmic ratio (abbr.)
75. Unix, Linux
or Windows (abbr.)
76. Chemical symbol for bismuth
78. Chemical symbol for
arsenic
79. 34 Across + _________ is my holiday greeting to you. Thanks for being
an RF Cafe patron!
84. Morse Code for "from"
85. Filter type that blocks frequencies
below and above a specified band (abbr.)
86. Chemical symbol for palladium
87. Last stage in a transmitter (abbr.)
89. Chemical symbol for gallium
90.
Type of current flow (abbr.)
92. Having to do with tube and/or transistor circuits
93. Pulse used to initiate a circuit action
97. Electromagnetic surveillance
thwarting technology
101. Precision approach radar (abbr.)
102. ___/IP scheme
for networked connectivity
103. Chemical symbol for tin
104. Unit of length
(abbr.) |
1. Unit for 1,000 watt-seconds (abbr.)
2. 60/40,
PbSn, for example
3. Cutting instrument (pl.)
4. FCC Part 15 rules apply in
this band (abbr.)
5. Chemical symbol for copper
6. Chemical symbol for helium
7. U.S. Spectrum allocation agency
8. LCD display vendor
9. What do we call
the point that is the same distance from every point on the circumference of a circle
(British spelling)
10. Analog-to-Digital (abbr.)
14. Type of current
15.
Lowest power level capable of being demodulated (abbr.)
16. Sound frequency in
the human hearing range (abbr.)
17. Part of a screw that engages the driver (pl.)
19. Steel, brass, aluminum, etc.
22. Half of DSB
23. Flip-flop control input
(pl.)
24. Constellation : The bull
25. Curly-Q type light bulb (abbr.)
28. Small representative graphic
30. Stock symbol for Conexant
32. Stock symbol
for Harris Communications
33. A processed or unprocessed semiconductor substrate
35. Chemical symbol for radium
36. Emitted a flash during electrical discharge
37. Last statement in a BASIC program
41. Anetnna region of space where Z = 120
42. The fourth state of matter, which occurs in stars and fusion reactors
44.
Name of the second series in the spectrum of hydrogen
46. Surrounding environmental
conditions
47. 1e3 μV
49. 1E6 nanoseconds
51. Centimeter (abbr.)
53. Chemical symbol for gadolinium
55. Unit of inductance (abbr.)
57. Initial
current when a motor is first turned on
59. LCD display vendor
61. One port
of an amplifier
64. Chemical symbol for radon
66. Wire
68. Boob tube (abbr.)
69. Chemical symbol for europium
71. The LM741 was the first
75. Number system
which uses only the digits 0 to 7
77. First name of a British scientist of falling
apple fame
80. Chemical symbol for rubidium
81. Internet protocol (abbr.)
82. Test point (abbr.)
83. Chemical symbol for mendelevium
84. Another name
for Sirius (2 wds.)
88. Between-series connector
89. Electronics manufacturer
with "meatball" logo
91. Chemical symbol for cesium
94. World's first satellite
navigation system (abbr.)
95. Gallium nitride chemical symbol
96. Chemical
symbol for erbium
98. Radio signals from the cosmos (abbr.)
99. Wire diameter
unit (abbr.)
100. Parts per million (abbr.) |
See solution below
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