ACROSS

1. Test equipment that provides a time-domain signal display (pl.)
10. Ham's code for "Shall I stop sending?"
11. Scheduling graph types
12. Transmit Incremental Tuning (abbr.)
14. A common RS-232 serial bus command (abbr.)
17. Logarithmic unit of ratio (abbr., pl.)
18. A feedback scheme to level out the receiver audio volume (abbr.)
20. Common test for verifying high voltage tolerance w/o breakdown
21. Heavenly body having a tail
23. Uppermost surface
24. Permeability-tuned oscillator (abbr.)
26. Low Noise Amplifier (abbr.)
28. Abbreviation for peak voltage
29. Multifunctional silicon devices (abbr.)
30. Type of data storage IC
31. 300 Hz to 3 kHz
33. Centimeter (abbr.)
34. Type of flip-flop
35. One state of matter
37. A BPF specification (abbr.)
39. Morse Code for "from"
40. Coordinated Universal Time (abbr.)
41. Printer output resolution unit (abbr.)
43. Opposite of I.D.
45. Yard (abbr.)
46. Direction of carbon fiber strands
47. Radio Direction Finding (abbr.)
48. Unit of time (abbr.)
49. Balun with both ports unbalanced
51. Automaton
53. Used to remove oxidation during soldering
55. Numerical prefix for 10^2
57. Negation prefix
58. Graphics workshop software
59. ECM response
61. Orthogonal frequency-division multiplexing (abbr.)
62. Precision approach radar (abbr.)
64. Method of sending high-speed digital signals on electric distribution wires, a Ham's nemesis (abbr.)
67. Unix, Linux or Windows (abbr.)
68. Army-Navy specification prefix
70. 3 MHz to 30 MHz
72. Chemical symbol for calcium
73. Systematic approach to locating the cause of a fault in an electronic circuit or system

DOWN

1. Method of connecting redundant power supplies
2. Remove insulation from a wire
3. Filter type that blocks upper frequencies (abbr.)
4. Semiconductor lamp
5. Probable location of an element's electron
6. Official Space Shuttle designation (abbr.)
7. Chemical symbol for cesium
8. A popular spreadsheet
9. Chemical symbol for silicon
10. Unit of liquid measure (abbr.)
13. Chemical symbol for terbium
15. Test point (abbr.)
16. Small DIP package (abbr.)
18. Ad-hoc on demand distance vector (abbr.)
19. Abbreviation for minimum voltage
20. Communication between stations by reflecting the radio waves off of the ionosphere
22. RF connector type
23. Boob tube (abbr.)
24. PCB fabricator in Baltimore, MD - also the brightest star in Canis Minor
25. Greek letter
27. Modulation type (abbr.)
29. Network department (abbr.)
32. Small unit of capacitance (abbr.)
34. Used to remove oxygen from or add hydrogen to a compound
35. Network configuration type
36. Switch configuration (abbr.)
38. Unit of electrical charge
39. Force required to impart an acceleration of one centimeter per second per second to a mass of one gram
40. Electrical safety organization (abbr.)
42. Band between RF and BB
44. Connector type
49. Unit of inductance (abbr.)
50. Negative temperature coefficient (abbr.)
52. Masses
53. Frequency Division Duplex
54. Chemical symbol for xenon
56. Amateur radio abbreviation for the Oceania region (abbr.)
58. Sound frequency in the human hearing range (abbr.)
60. Unit of frequency (archaic, abbr.)
61. Shorthand for oxygen
62. Short for potentiometer
63. Airport Surveillance Radar (abbr.)
65. The cell band above DCN
66. Be behind in phase
68. Astronomical Unit (93E6 miles)
69. Chemical symbol for niobium
70. Chemical symbol for holmium
71. Unit of length (abbr.)

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