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Radio Theme Crossword Puzzle
August 29, 2021

This Radio Theme crossword puzzle for August 29th, 2021, contains only words and clues related to engineering, mathematics, chemistry, physics, and other technical words. 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., Hedy Lamarr or the Bikini Atoll). 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


Radio Theme Crossword Puzzle for August 29th, 2021 - RF Cafe


2. Chemical symbol for radon

3. Heterojunction Bipolar Transistor

4. Width vs. length of a computer display

5. Decibels above or below a dipole antenna, abbr.

6. Chemical symbol for selenium

7. Software for circuit or system design

10. Performing a quantum event by penetrating a seemingly impassable barrier

12. Field Effect Transistor

14. Audio Frequency

15. Electromagnetic, abbr.

16. Peripheral Component Interface

18. Chemical symbol for strontium

20. Modern battlefield technique, abbr.

22. The Microwave Office company, abbr.

23. Ham abbreviation for transceiver

26. Error checking scheme, abbr.

27. Min-to-max voltage of a waveform

29. Type of current

30. Official Space Shuttle designation

32. Chemical symbol for tantalum

33. Microhenry, abbr.

36. Chemical symbol for praseodymium

37. Chemical symbol for antimony

39. Amateur Television

41. Rádio Nacional de Angola, abbr.

43. Defense contractor

44. S-Parameter measurement instrument

46. Antenna structure that connects directly to the feed line

48. Chemical symbol for californium

50. Chemical symbol for gadolinium

51. Antenna manufacturer in Merlin, OR

53. Bill & Dave's company

56. Akin to an EE or an IE, for physical parts

58. Greek letter

59. Surface Mount Device, abbr.

63. Local Oscillator

65. Galilean moon

67. Wire diameter unit, abbr.

69. Oscillator manufacturer in Whippany, NJ (abbr.)

74. Si or GaAs based device, eg.

77. Type of modulation, abbr.

79. 1/000 of an inch

80. Digital Storage Oscilloscope

84. European equivalent to the U.L.

86. Electrical safety organization, abbr.

88. Morse Code for "from"

90. Home state of Los Alamos lab

92. Archaic unit of length

94. Instruments for Industry, Ronkonkoma, NY, abbr.

97. Process by which a body moves back and forth through a central neutral position

99. System invented by John Napier that allows the processes of multiplication and division to be replaced by addition and subtraction

101. Armored cable type

102. Chemical symbol for polonium

103. Made self-controlling

105. Digital Storage Oscilloscope

107. PC follower

108. Test Point

109. Amplifier Solutions Corporation, abbr.

111. Chemical symbol for mendelevium

113. Chemical symbol for bismuth

115. Volt-ohmmeter, abbr.

116. Personal Digital Assistant

119. Transformer interwinding connection

120. Chemical symbol for europium

122. Chemical symbol for radium

123. 30 Hz to 300 Hz

125. Mate to an RX

126. Chemical symbol for lanthanum

129. Colorado Springs military school, abbr.

130. Shorthand for liquid oxygen

132. Chemical symbol for neodymium

134. Chemical symbol for silicon


ACROSS (con't)


87. Chemical symbol for neon

88. Decimeter, abbr.

89. Chemical symbol for zinc

91. Local Oscillator

92. Government program to bring electricity to farms

93. Electromagnetic Interference. abbr.

95. Part of a FOR loop

96. Type of logic gate

98. Foot, abbr.

100. Logarithmic ratio

102. Ratio of circumference to diameter

104. Opposite of I.D.

106. Brand of hobby knife

109. Chemical symbol for gold

110. Global System for Mobile Communications

112. End of soldering iron

113. Base Station Transceivers

114. Ad-hoc on demand distance vector

116. 10^-12 numerical prefix

117. Used lubricant

118. Thing in a bill of material

121. Length times width

124. Greek letter

125. Logic family

127. ___-AZIMUTH telescope mount

128. Test equipment manufacturer now known as Agilent

129. Leaded component type

131. Chemical symbol for iron

132. A measure of receiver quality, abbr.

133. Unix, Linux or Windows

135. BlackBerry, Jordana, etc.

136. Transmit Incremental Tuning, abbr.


1. Ham's code for "Does my frequency vary?"

5. Digital Signal Processor

8. Chemical symbol for niobium

9. Chemical symbol for beryllium

11. Band between RF and BB

13. Recorded

16. Chemical symbol for plutonium

17. Metal parts engineers, abbr., pl.

19. Finite-Element Model

20. Engineering Change Notice, abbr.

21. UMTS terrestrial radio access, abbr.

23. Einstein's paradoxical traveler

24. H2O

25. Adjacent Channel Power Ratio

28. ISDN BRI channel

31. Total Radiated Power

32. Greek letter

34. Oscillator manufacturer in Whippany, NJ (abbr.)

35. Amateur radio abbreviation for the Oceania region

36. Radio signal route, pl.

38. Chemical symbol for tin

39. Chemical symbol for argon

40. Chemical symbol for bromine

42. PC follower

43. Negation prefix

45. Unit of time, abbr.

47. Voltage-Controlled Oscillator

49. Enhanced Graphics Adapter

52. Chemical symbol for rhodium

54. Chemical symbol for francium

55. Time delay, abbr.

56. Chemical symbol for manganese

57. Innovative Power Products, Holbrook, NY, abbr.

59. Adjust a pot

60. Synchronous Digital Hierarchy

61. Original equipment manufacturer, abbr.

62. Voltage-current phase mnemonic

64. Deutsche Industrie Normenausschuss

66. Chemical symbol for nobelium

67. Greek letter (micro)

68. Kilocycles

70. Switch position

71. ___/IP communications scheme

72. Atmosphere, abbr.

73. Chemical symbol for lithium

75. Chemical symbol for magnesium

76. Chemical symbol for nickel

77. Femtofarad, abbr.

78. Electronic warfare defense, abbr.

80. Direct Memory Access

81. International Telecommunications Union

82. Line of Sight

83. High-speed logic family, abbr.

85. One port of an amplifier

See solution below


2021 Crosswords Archive

Visit the Crossword Express website - RF CafeTake 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


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 26

December 19

December 12

December 5

November 28

November 21

November 14

November 7

October 31

October 24

October 17

October 10

October 3

September 26

September 19

September 12

September 5

August 29

August 22

August 15

August 8

August 1

July 25

July 18

July 11

July 4

June 27

June 20

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June 6

May 30

May 23

May 16

May 9

May 2

April 25

April 18

April 11

April 4

March 28

March 21

March 14

March 7

February 28

February 21

February 14

February 7

January 31

January 24

January 17

January 10

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Radio Theme Crossword Solution for August 29th, 2021 - RF Cafe

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