This week's custom crossword puzzle contains many words and clues specific to antennas (marked
with an asterisk*). All the other words and clues pertain strictly to the subjects of engineering, science,
physics, astronomy, chemistry, etc. As always, you will find no references to numbnut movie stars or fashion designers. Enjoy.
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

|
1. 2-element, 1/2 wavelength antenna fed at the center* 5. "Calling any amateur radio station" 7. Unit
of length (abbr.) 9. Software device for tracking elapsed time (pl.) 13. Type of logic gate 14. Nuclear
reaction that powers both the sun and a hydrogen bomb 15. Numerical basis for decibels (abbr.) 16. Exponent that
returns the original number 19. Negative temperature coefficient (abbr.) 21. Network department (abbr.) 22.
Temperature-compensated crystal oscillator (abbr.) 23. Filter type that blocks lower frequencies (abbr.) 26.
Father of radio 29. French mathematician Siméon-Denis _______ 32. Chemical symbol for tin 34. One state of
matter 35. Time taken for one complete oscillation of a vibrating object 36. Type of digital filter (abbr.) 37.
Unit of liquid measure (abbr.) 40. Amateur radio abbreviation for the Oceania region (abbr.) 42. Unsupported span
46. Chemical symbol for gallium 47. Online auction site 48. Chemical symbol for aluminum 49. Chemical symbol
for calcium 50. Chemical symbol for tantalum 51. Antenna radiated power measurement (abbr.) 52. Opposite of
O.D. 53. Describes particles such as quarks, leptons, and gauge bosons 56. Unit of length (abbr.) 59.
Modulation type (abbr.) 60. Output intercept point (abbr.) 63. Aluminum Gallium Arsenide 65. The UK's largest
defense electronics contractor (abbr.) 67. Read-only (abbr.) 69. Type of broad bandwidth antenna with geometry
similar to a dunce cap* 71. Halves of bytes 73. Abbreviation for peak voltage 74. Charged particles 75. Type
of flip-flop 76. A feedback scheme to level out the receiver audio volume (abbr.) 79. Stock symbol for Harris
Communications 80. It can follow an MS 82. ______ array antenna* 84. Unit of current 86. Web's most popular
radio frequency engineering site (2 ltrs. + 1 wd.) 87. Unit of length (abbr.) 88. Mate to a TX 89. Impurity in
a semiconductor |
1. Basic PN junction component (pl.) 2. Switch position 3. ___ periodic antenna* 4. Chemical symbol for
erbium 5. Chemical symbol for californium 6. Result of division 7. Type of single-element antenna* 8.
Chemical symbol for manganese 9. Chemical symbol for thallium 10. Charged particle 11. Chemical symbol for
magnesium 12. Mate to a pin 17. Permeability-tuned oscillator (abbr.) 18. Type of distribution, squared 20.
Type of unidirectional antenna* 21. Multifunctional silicon devices (abbr., pl.) 24. Greek letter 25. Feed type
used on parabolic antennas* 27. Chemical symbol for radium 28. Chemical symbol for neptunium 30. Opposite of
I.D. 31. Chemical symbol for silicon 33. Its chemical symbol is Nb 37. *QUARTER 38. One of Dilbert's
workmates 39. Trans European Trunked RAdio 41. Software drafting tool (abbr.) 42. Software engineering tool
(abbr.) 43. Current-voltage phase mnemonic 44. Computer communication scheme (abbr.) 45. Straight line
emanating from a point source 46. Image file format name extension 54. Small unit of resistance 55. ________
function, mathematically relates output to input 57. Type of antenna with circular, triangular, or rectangular
cross-section* 58. Device for interfacing waveguide or coaxial cable with a reflector dish* 59. Brightest star in
the Aquila constellation 61. One port of an amplifier 62. Peak Inverse Voltage 63. A common battery cell size
64. Chemical symbol for silicon 65. Early predecessor to an online forum (abbr.) 66. Chemical symbol for aluminum
68. Type of feed used in curved dish antennas* 70. Printer output resolution unit (abbr.) 72. Notch type filter
(abbr.) 77. 30 MHz to 300 MHz 78. Using the moon as a passive reflector to establish a signal path; moonbounce
(abbr.) 80. Last stage in a transmitter (abbr.) 81. Morse Code for "from" 82. Max or min voltage of a waveform
(abbr.) 83. Ham abbreviation for "distant station" 84. Analog-to-Digital (abbr.) 85. Unit of capacitance
(abbr.) |
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.
2021 | 2020
| 2019 | 2018
| 2017 | 2016
| 2015 | 2014
| 2013 | 2012
| 2011 | 2010
| 2009 | 2008
| 2007 | 2006
| 2005 | 2004
| 2003 | 2002
| 2001 | 2000
| Sudoku
December 25 December 18 December 11 December 4
November 27
November 20
November 13
November 6
October 30 October 23 October 2 September 25 September 18 September 4
August 28
August 21
August 14
August 7
July 31
July 24
July 17
July 10
July 3
June 26
June 19
June 12
June 5
May 29
April 10
March 20
March 13
March 6
February 28
February 21
February 7
January 31
January 24
January 17
January 10
January 3

|