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Across 3. an electrical arc 5. The original digital mode 10. confirmation of a QSO 11. I X R 13. a Ham's mentor 15. the "missus" 17. a swinging choke is a type of this device 19. basic unit of inductance 23. combination of resistance and reactance 25. a feedline section used at microwave frequencies 26. when a diode conducts it is biased this way 28. the part of an atom responsible for current flow 29. wires layed on the ground as part of a vertical antenna 30. a form of wave propagation where a low angle of radiation is NOT intended 31. the "emitter" of a vacuum tube 33. balanced type of feed cable 36. an undesired oscillation in an amplifier 37. 300 - 3000 MHZ 40. basic balanced antenna 42. rf transformers are often wound on these circular forms 44. Hilltop automated radio facility for extending range of signals 46. types of current, or a heavy metal rock band 47. the process of preparing wire ends with solder 48. cold 807? 49. controlling element of a vacuum tube 50. metal oxide semiconductor field effect transistor

Down 1. basic unit of capacitance 2. RG-8/u is this type of cable 4. an antenna is either horizontally, or vertically (or both) this 6. instrument used to measure rf power 7. type of avalanche diode 8. an antenna characteristic we try to minimize 9. an early "build it yourself" equipment supplier 12. the "movement" of radio waves through space 14. part of the atmosphere Hams exploit 16. multi-element directional antenna named after its inventor 18. 30 - 300 MHZ 20. type of antenna matching section 21. rare gas used in HV rectifier tubes 22. E / I 24. quartz frequency determining device for an oscillator 27. rear element on a beam antenna 32. forward element on a beam antenna 34. solder containing this is not ROHS compliant 35. box-like cube wire antenna 38. an element used in early solid state rectifiers 39. resistor used for safety in power supplies 41. the "C" in CRT 43. a gas produced by an electrical arc 45. a very poor operator