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
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