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  "Houston… tranquility base here. The Eagle has landed." Where were you 45 years ago when you heard on radio watched on a B&W TV like I did as Apollo 11's 'Eagle' lunar module touched down on the moon - with less than 30 seconds of fuel remaining? A short while later Neil Armstrong and Buzz Aldrin became humans #1 and #2, respectively, to step onto the lunar surface.
"We came in peace for all mankind," was plaque attached to the part of the lunar lander that stayed behind. Poor Michael Collins had to
be content with orbiting the moon
while is shipmates went to the surface. I created this special crossword puzzle this morning to commemorate the
Apollo 11 mission and all the dedicated
people who made it happen. BTW, have you seen my
Estes Saturn V model?
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
1. First man on the moon - Neil _________
7. One who attaches components to
a PCB
11. Forms into a specific shape
14. Electrical safety organization (abbr.)
15. JavaScript
(abbr.)
16. Chemical symbol for nickel
17. Software function selection mechanism
19. Type of current
21. Chemical symbol for berkelium
23. Possess luminosity
24. Variable Frequency Oscillator
27.
Modulation type (abbr.)
28. Decimeter (abbr.)
29. Branch of the armed forces
31. BS__ - the degree
held by many RF Cafe visitors
33. Chemical symbol for calcium
35. Logic family
37. BlackBerry or Palm
for example (abbr.)
38. Sets of 24-hour periods
40. Organization requiring 25 years of amateur service
for membership, abbr.
41. Greek letter often used to represent an angle
43. Curly-Q type light bulb
(abbr.)
46. PC follower
47. Switch position
48. Chemical symbol for strontium
50. Chemical symbol
for gadolinium
51. ___-back transformer
53. A keyboard key
54. Automatic network analyzer (abbr.)
56. Stock symbol for Linear Technologies
57. Electronics manufacturer with "meatball" logo
58. Stock
symbol for Boeing
60. Infrared (abbr.)
61. One who DXs
62. Chemical symbol for lanthanum
63.
Chemical symbol for calcium
65. Local Oscillator (abbr.)
66. Printer resolution abbreviation
67. Last
statement in a BASIC program
68. Type of e-mail address system (abbr.)
69. Chemical symbol for arsenic
70. ______ velocity - speed necessary to become free of the Earth's gravitational force
71. Chemical symbol
for tin
73. Application Specific Integrated Circuit (abbr.)
75. Signal amplitude degradation due to
inefficiency (pl.)
76. PC follower
78. Morse Code for "from"
79. Manned rocket series that went to
the moon
82. Megohm (abbr.)
84. Logarithmic ratio (abbr.)
86. Changes from one thing into another
88. Type of component package (abbr.)
89. Exponent that returns the original number
90. 1/000 of an inch
92. Television Interference (abbr.)
94. Chemical symbol for polonium
95. Start frequency (abbr.)
96.
Chemical symbol for zinc
97. RF computer network (abbr.)
98. A common battery cell size
100. Part of
this website's title
102. 30 kHz to 300 kHz
104. Digital intelligence
107. Programmable logic device
(abbr.)
109. Silicon transistor type
111. Finite Element Analysis (abbr.)
113. Chemical symbol for
plutonium
114. Unit of length (abbr.)
116. Chemical symbol for einsteinium
117. Chemical symbol for
thallium
119. System for guiding aircraft (abbr.)
121. Printer output resolution unit (abbr.)
123.
Cellular Telecommunications Industry Association
125. Under self-control (prefix)
127. Type of computer
display (abbr.)
128. Ham's code for "Your net frequency is High."
130. Type of current
131. Chemical
symbol for francium
132. A compiler directive
134. Network department (abbr.)
135. Chemical symbol
for rhodium
137. End of Life (abbr.)
139. Mr. Blattenberger of RF Cafe
141. Filter type that blocks
upper frequencies (abbr.)
143. 1.602E-19 Joules
144. RF ____, the world's best engineering website
146. Akin to an EE, CE, AE, etc.
148. Filter type that blocks lower frequencies (abbr.)
150. Chemical
symbol for europium
151. A popular spreadsheet
152. Any mathematical statement that declares the values
of two mathematical expressions to be equal
153. SI unit of solid angle |
1. Apollo 11 astronaut Buzz ______
2. Unit for 1,000,000 watt-seconds
(abbr.)
3. Half of DSB
4. Chemical symbol for radon
5. Lubricant
6. Gigahertz
7. What a
capacitor is used for regarding energy
8. Logarithmic unit of voltage (abbr.)
9. 1/6 inch printer's
measure
10. Government program to bring electricity to farms (abbr.)
11. Greek letter (micro)
12.
International phonetic alphabet letter "L"
13. That which has mass and occupies space (pl.)
18. Home
state of Los Alamos lab (abbr.)
20. Centimeter (abbr.)
22. Send Morse Code
25. One possible go-no-go
test result
26. Amateur radio abbreviation for the Oceania region (abbr.)
28. Direct Digital Synthesis
(abbr.)
30. 36 in. (abbr., pl.)
32. Chemical symbol for einsteinium
33. "Calling any amateur radio
station"
34. One type of electron spin
36. Coefficient of temperature (abbr.)
39. Amateur Radio
Association (abbr.)
42. Gary Breed's fine magazine on RF & microwaves topics (abbr.)
44. Chemical symbol
for iron
45. Lower sideband (abbr.)
46. Army-Navy specification prefix
47. Orthogonal
frequency-division multiplexing (abbr.)
49. Ham-ese for Young Lady
52. Chemical symbol for ytterbium
54. Connector vendor headquartered in Bristol, PA
55. Term used in soldering to describe the condition that
occurs when the metals being soldered are hot enough to melt the solder so it flows over the surface
56.
Geometric entity with only length
57. Key feature in a high level overvoltage protection device
59.
Dilbert's female co-worker
60. Internet protocol (abbr.)
63. Apollo 11 astronaut Michael _______
64.
Digital encoding of the transmission mode in the vertical sync portion of an SSTV image (abbr.)
66. Digital
storage oscilloscope (abbr.)
67. Type of reconfigurable memory (abbr.)
69. Alternative name for Beta
Persei
72. Stock symbol for National Semiconductor
73. Stock symbol for Advanced Micro Devices
74.
Opposite of O.D.
76. Amateur Teleprinter Over Radio (abbr.)
77. Part of a FOR loop
79. __________
Test - used to verify compliance with manufacturer published specifications
80. Number system which uses
only the digits 0 to 7
81. Family of ICs with a certain component density level (abbr.)
83.
Communication between stations by reflecting the radio waves off of the ionosphere
85. Operational range of
frequencies (pl.)
86. Type of capacitor dielectric
87. Sample-and-____
89. Switch position
91.
Low- to mid- frequency connectors
93. Unit of apparent power (abbr.)
99. Ham's code for "Answer in
prearranged order."
101. Small unit of capacitance (abbr.)
102. Once around a circuit
103. Method
used to sell off wireless spectrum to corporations
105. Chemical symbol for terbium
106. Nordic Mobile
Telephone
108. Chemical symbol for aluminum
110. Chemical symbol for platinum
112. International
phonetic alphabet letter "E"
115. Minutes of Use (abbr.)
116. Apollo ______ - first men on the moon
118. Ham's code for "Shall I stop sending?"
120. "Calling any amateur radio station"
122.
Multifunctional silicon devices (abbr.)
124. Type of current flow (abbr.)
125. Sound frequency in the
human hearing range (abbr.)
126. Internet address (abbr.)
127. Complex Instruction Set Computer
129.
Chemical symbol for neon
133. Chemical symbol for selenium
135. Chemical symbol for radium
136. Gary
Breed's fine magazine on RF & microwaves topics (abbr.)
138. Stock symbol for Lockheed Martin
140. Using
the moon as a passive reflector to establish a signal path; moonbounce (abbr.)
142. It can follow an MS
144. Chemical symbol for chlorine
145. Equalizer (abbr.)
147. Chemical symbol for erbium
149. Ratio
of circumference to diameter |
See solution below
 Take a well-deserved break and try your hand at some of these goodies.
Every word in the RF Cafe crossword puzzles is specifically related to engineering,
mathematics, and science. There are no generic backfill words like many other puzzles
give you, so you'll never see a clue asking for the name of a movie star or a mountain
on the Russia-China border.
All of these crossword puzzles were created using the fabulous
Crossword Express (now called "Magnum Opus") software.
2024 | 2023
|2022 | 2021
| 2020 | 2019
| 2018 | 2017
| 2016 | 2015
| 2014 | 2013
| 2012 | 2011
| 2010 | 2009
| 2008 | 2007
| 2006 | 2005
| 2004 | 2003
| 2002 | 2001
| 2000 |
Sudoku
Cruciverbalist:
A cruciverbalist is a person who is skilled at creating or solving crossword
puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and
"verbalist" from "verbal," indicating a person who deals with words.
cruciverbalists are often responsible for designing
crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and
the techniques used in constructing and solving crosswords. They aim to make puzzles
that are both challenging and enjoyable for crossword enthusiasts.
December 28
December 21
December 14
December 7
November 30
November 23
November 16
November 9
November 2
October 26
October 19
October 12
October 5
September 28
September 21
September 14
September 7
August 31
August 24
August 17
August 10
August 3
July 27
July 20
July 13
July 6
June 29
June 22
June 15
June 8
June 1
May 25
May 18
May 11
May 4
April 27
April 20
April 13
April 6
March 30
March 23
March 16
March 9
March 2
February 23
February 16
February 9
February 2
January 26
January 19
January 12
January 5
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