This week's Amateur Radio crossword puzzle contains the usual collection of science, math, and engineering terms, and amateur radio. You'll never be 'challenged' to know terms relating to movie stars, leaders of obscure countries, or archaic pottery making terms. Enjoy.
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words 
| 1. Entity created by virtue of a changing magnetic field
7. Band between RF and BB
9. Method of sending high-speed digital signals on electric distribution wires, a Ham's nemesis (abbr.)
11. Short for potentiometer
12. Chemical symbol for erbium
13. Advanced Communication Technologies and Services (abbr.)
15. Equalizer (abbr.)
17. Digital Enhanced Cordless Telephone
20. Part of this website's title
21. Gun safety and education organization (abbr.)
23. Greek letter (micro)
24. Uppermost surface
26. RF ____, the world's best engineering website
29. Cellphone band below PCS
30. Basic storage unit of a database
32. Similar air-moving appendages of a fan (pl.)
34. Finite-Element Model
35. Ham's code for "Station is leaving the net."
37. Effective Radiated Power (abbr.)
38. What do we call the point that is the same distance from every point on the circumference of a circle
42. Logarithmic ratio (abbr.)
44. Opposite of a source (pl.)
48. Total Access Communication System (abbr.)
51. Type of logic gate
52. A keyboard key
54. Unit of liquid volume
55. The "S" in SOIC
57. 1e-6 mA
58. Name of the straight line joining the center of a circle to the circumference
60. Type of logic gate (pl.)
62. BASIC looping keyword
64. Manufacturer of project boxes
66. Plate or vane used to direct or control movement of fluid or air within confined area
69. Robert ______-Watt, "Father of Radar"
72. One port of an amplifier
74. Foot/12
76. Personal Digital Cellular
77. Amateur radio abbreviation for the Oceania region (abbr.)
79. Type of distribution, squared
80. Filter type that blocks frequencies in a specified band (abbr.)
81. UMTS terrestrial radio access (abbr.)
83. Weight (abbr.)
84. Switch configuration (abbr.)
87. Chemical symbol for aluminum
88. Base of the binary number system
90. Adjust a pot
91. Related to FM by a differential
92. The common connection for all parts of a circuit that connect to the negative side of the power supply (2 wds.) | 1. The "E" in BER
2. Test point (abbr.)
3. Unit of length equal to 5.5 yards
4. Thing in a bill of material
5. Semiconductor device type (abbr.)
6. Infrared (abbr.)
7. Multifunctional silicon devices (abbr.)
8. Unit of length (abbr.)
9. Nickname given to a satellite
10. Having no resistive component
13. Scheme to maintain proper frequency (abbr.)
14. Unit of conductance
15. Integrated data onto a carrier wave
16. Ham's code for "Shall I increase power?"
18. Mr. Piper's famous yellow airplane
19. The "C" in CDMA
22. Automatic repeat request used in AMTOR (abbr.)
24. Chemical symbol for tantalum
25. Scheduling graph types
27. Sound frequency in the human hearing range (abbr.)
28. Method of self-detection and self-fixing transmission of digital data (abbr.)
31. The system than converts common website names to IP addresses (abbr.)
33. Junk e-mail
36. Output intercept point (abbr.)
39. Negation prefix
40. Passing of a planet in front of the sun
41. Executes a function
43. Broadband Signal Intrusion (abbr.)
45. Chemical symbol for nickel
46. Adjustment dial
47. ESD protective apparel
49. Chemical symbol for calcium
50. Below ELF
53. A 3rd-order polynomial (pl.)
56. The "L" in VLF
59. Hub of the solar system
61. Parameter that is a figure of merit for receiver performance in presence of multiple signals (abbr.)
63. Radio Amateurs of Canada (abbr.)
65. Type of current
67. A BPF specification (abbr.)
68. End of transmission (abbr.)
70. Code for a type of electrical wire insulation (abbr.)
71. Rechargeable battery type (abbr.)
73. The "T" in ATE
75. Heterojunction Bipolar Transistor
78. Computer monitor (abbr., pl.)
81. FCC's Universal Licensing System (abbr.)
82. Conductor size unit (abbr.)
85. Min-to-max voltage of a waveform (abbr.)
86. Decimeter (abbr.)
87. Chemical symbol for arsenic
89. Type of logic gate |
See solution below
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