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Here is your custom made RF theme crossword puzzle for March 27th, 2022. R's
and F's are prominent in this crossword. All RF Cafe crossword puzzles are custom
made by me, Kirt Blattenberger, and have only words and clues related to RF, microwave,
and mm-wave engineering, optics, mathematics, chemistry, physics, and other technical
subjects. 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.,
Reginald Denny or the
Tunguska
event in Siberia). 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
1. Aircraft tracking system
5. French mathematician
who is recognized as the founder of number theory
10. Refused to absorb energy
16. ISDN BRI channel
17. Circuit element connecting PCB layers
18. BS__ -
the degree held by many RF Cafe visitors
20. Applies a lubricant
21. Unit
of inductance (abbr.)
23. PC follower
25. Nordic Mobile Telephone
26. Unit
of length (abbr.)
28. Network file transfer protocol (abbr.)
29. ampere-hour
(abbr.)
30. Angular distance between one event and another in a regularly recurring
cycle
33. Unit of admittance
34. Software engineering tool (abbr.)
36.
Temperature-compensated crystal oscillator
37. Plural of locus
38. Greek letter
39. Device for matching antenna impedance to transmitter impedance
41. Rádio
Nacional de Angola (abbr.)
43. Peak envelope power (abbr.)
44. Chemical symbol
for tantalum
45. Electro-mechanical switching device
47. Opposition to the
flow of an electrical current
50. Chemical symbol for scandium
53. Type of
flip flop
54. 90 degrees (2 wds.)
59. Summed
62. One type of electron spin
64. High Data Rate
65. Ham's code for "Station is leaving the net."
66. Engineering
Change Notice (abbr.)
67. Mars has two of these
70. Electronics Industry Association
(abbr.)
71. Unit of frequency (archaic, abbr.)
73. Miniature threaded RF connector
(pl.)
75. Semiconductor lamp
76. Voice-operated transmit (abbr.)
77. Part
of an optical cable bundle
78. Chemical symbol for neon
79. U.K. equivalent
of the IEEE
81. Electromagnetic (abbr.)
83. Logic family
84. Chemical symbol
for magnesium
85. Unit of time (abbr.)
88. Solid of rotation whose sides are
the hypotenuse of a right triangle
90. European equivalent to the U.L.
91.
Chemical element abbreviated Sn
93. Adds two or more inputs
95. Digital signal
measurement of transition from 90% to 10% of pk-pk value (2 wds., pl.)
96. Web's
most popular radio frequency engineering site (2 ltrs. + 1 wd.)
97. Physical
unit used to measure capacitance |
1. Radio Direction Finding (abbr.)
2. Ham abbreviation
for "distant station"
3. Change connector type
4. Readability, Signal, and
Tone (QoS report type)
6. 1.602E-19 Joules
7. Like the inband portion of a
Chebyshev filter
8. 1/000 of an amp (abbr.)
9. _______ strength - measure
of resistance from breaking
11. A Ham contest to locate a hidden transmitter
(2 wds.)
12. Chemical symbol for lithium
13. 30 Hz to 300 Hz
14. Chemical
symbol for cesium
15. Decimeter (abbr.)
19. Using Earth's natural satellite
as a passive reflector to establish a signal path (abbr.)
22. 3 MHz to 30 MHz
24. Greek letter
26. ELI the ICE ___
27. Swap ____, a Ham's flea market
29. Asynchronous Communication Interface Adapter (abbr.)
31. Communication between
stations by reflecting the radio waves off of the ionosphere
32. Type of current
flow (abbr.)
33. 1/000 of an amp (abbr.)
34. Chemical symbol for copper
35. The portion of a cone which remains when its upper part has been cut off by
a plane parallel to its base
38. Television Interference (abbr.)
39. Tweaked
a filter for the correct response
40. A temperature scale
42. Chemical symbol
for argon
46. _____ + Microwave, waveguide products vendor in West Palm Beach,
FL
48. Chemical symbol for antimony
49. Chemical symbol for tin
51. The
base of a number system
52. Chemical symbol for silver
55. A statement that
has been proven on the basis of previously established statements
56. Gun safety
and education organization (abbr.)
57. Diode circuit to restrain voltage input
58. The property of matter by which it continues in its state of rest or uniform
motion in a straight line, unless acted upon by an external force
60. Weatherproof
cover for a radar antenna
61. Morse Code for "from"
63. Compliment to a zero
in a polynomial
68. Original Equipment Manufacturer (abbr.)
69. Chemical symbol
for neodymium
72. Unlicensed FCC Part 95 realm for personal and business radio
use (abbr.)
73. Signal-to-noise ratio (abbr.)
74. Greek letter, used to indicate
summation
77. U.S. Spectrum allocation agency
80. Chemical symbol for europium
82. Having power applied (slang)
84. Maximum Usable Frequency
86. Electronic
component package type (abbr.)
87. Band between RF and BB
88. Chemical symbol
for chlorine
89. Chemical symbol for nickel
91. Coefficient of temperature
(abbr.)
92. A measure of receiver quality (abbr.)
94. Chemical symbol for
strontium |
See solution below
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