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Independence Day Radio Crossword Puzzle
July 12, 2020

This week's custom RF Cafe crossword puzzle contains some words particular to amateur radio, along with other tech-themed words and clues. Each week for two decades I have created a new technology-themed crossword puzzle using only words (1,000s of them) from my custom-created lexicon related to engineering, science, mathematics, chemistry, physics, astronomy, etc. You will never find among the words names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort. You might, however, find someone or something in the otherwise excluded list directly related to this puzzle's technology theme, such as Hedy Lamarr or the Bikini Atoll, respectively. Avid cruciverbalists amongst us: the gauntlet has been thrown down.

cruciverbalist: [noun]  cruci- ("cross") +‎ verbal ("words") +‎ -ist ("agent, person") -- A person who constructs crosswords.

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

Independence Day Radio Crossword Puzzle for July 12, 2020 - RF Cafe


1. Radio receiver scheme which mixes a second frequency (LO) with the incoming radio signals
12. Chemical symbol for francium
13. He developed an alphabet composed of dots and dashes
14. Band between RF and BB
16. Opposite of I.D.
18. BASIC looping keyword
21. System On Chip
22. Compressed image file format
24. Equalizer (abbr.)
25. Mr. Piper's famous yellow airplane
27. Resistive component of a capacitor's lumped element model (abbr.)
28. Electromagnetic radiation in the visible spectrum
30. Automaton
31. Greek letter used for resistance
34. PCB mask exposing ray (abbr.)
35. Hit a component with an electrostatic discharge
37. Logarithmic unit of voltage (abbr.)
38. Chemical symbol for erbium
39. Family of ICs with a certain component density level (abbr.)
41. Current-voltage phase mnemonic
42. Stock symbol for Intel
44. Just entering the nonlinear region
47. Sharp bend in I-V curve
49. One component of a complex number (abbr.)
50. Circuit for maintaining constant voltage (abbr.)
53. Ultra High Voltage (abbr.)
54. Ham's code for "Can you copy me?"
56. Test equipment (abbr.)
57. Abbreviation for acknowledge (also a common word used by Bill the Cat)
59. Permeability-tuned oscillator (abbr.)
60. Polling line state
62. Factor of a polynomial
63. Satellite milieu
66. Modulation type (abbr.)
67. Anatech Electronics Inc., (abbr.)
69. On-the-air meeting of hams at a set time, day and radio frequency
70. Chemical symbol for thulium
71. Rádio Nacional de Angola (abbr.)
73. Akin to WAC, only just in America
74. Most protruding part of planetary rings as seen from distance
76. Type of chart use for project planning
79. Possess luminosity
81. PC follower
82. Printer resolution abbreviation
83. Early computer display screen resolution (abbr.)
84. Low Noise Amplifier (abbr.)
85. Chemical symbol for nobelium
2. Unit of capacitance (abbr.)
3. Rate of a radar transmitter's output waveform (abbr.)
4. 1/100 meter (abbr.)
5. Electrical overstress (abbr.)
6. Systematic approach to locating the cause of a fault in an electronic circuit or system
7. A keyboard key
8. One component of a complex number (abbr.)
9. Compound used as the frequency determining element in microwave oscillators
10. A measure of receiver quality (abbr.)
11. Chemical symbol for cobalt
15. "Calling any amateur radio station"
17. Antenna structure that connects directly to the feed line (2 wds.)
19. Number system which uses only the digits 0 to 7
20. Chemical symbol for ruthenium
22. JavaScript (abbr.)
23. Device used to make contact with a point to be measured
24. O-scope triggering method (2 wds.)
26. Filter type that blocks frequencies in a specified band (abbr.)
27. Radio signals from the cosmos (abbr.)
28. Chemical symbol for lutetium
29. CPS
32. 1e3 uV
33. Chemical symbol for argon
36. Unit of time (abbr.)
37. Type of current
40. Galilean moon
41. Network department (abbr.)
42. Infrared (abbr.)
43. Chemical symbol for calcium
45. Greek letter used for frequency
46. 1.602E-19 Joules
47. Unit for 1,000 watt-seconds (abbr.)
48. BS__ - the degree held by many RF Cafe visitors
51. One tier of a PCB
52. Unit of volume (abbr.)
54. Unit of liquid measure (abbr.)
55. Front end of a rocket (pl.)
58. Chemical symbol for krypton
59. Unit of time (abbr.)
60. Chemical symbol for radium
61. 10E1 numerical prefix
64. Chemical symbol for platinum
65. Electromagnetic (abbr.)
68. One port of an amplifier
69. 1e-6 mA
72. Chemical symbol for silver
73. Weight (abbr.)
74. A common battery cell size
75. Analog-to-Digital (abbr.)
77. Type of current flow (abbr.)
78. Chemical symbol for tantalum
79. Chemical symbol for gallium
80. Write-Once (abbr.)

See solution below

2020 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.

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Amateur Radio Crossword Solution for July 12, 2020 - RF Cafe

Windfreak Technologies withwave microwave devices - RF Cafe
Windfreak Technologies Berkeley Nucleonics Model 855B Signal Generator - RF Cafe
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