Colorado QRP Club Meeting - March 11, 2017

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General Meeting - March 11, 2017 Line

Our March, 2017 meeting was a fun and informative mix of old and new technologies that captivated all those present. Vince Kumagai (KIØRB) provided the main topic of discussion and demonstration - he presented his project to restore a Hammarlund SP-600 JX-14 receiver. The SP-600 is known for its massive proportions, super-smooth tuning and great performance for the technology available in that era (1950s). Unfortunately, all early production SP-600s used leakage-prone molded capacitors that require replacement when undertaking a project of this kind.
The SP-600 Vince is restoring was manufactured sometime around 1953. The Allied Knight-Kit Star Roamer he brought along was manufactured sometime between 1965 and 1972 before the company closed. Vince provided a lot of background and history, along with construction and safety tips, for this and other projects. Well done Vince!

For a bit of Show and Tell others provided some quick demos throughout the meeting. Vice President Ed Comfort (KCØZLR, CQC # 832) demonstrated the jyetech.com DSO 138 oscilloscope that he built from a kit (It was reviewed in the January 2016 issue of QST. Pete (WK8S, CQC # 037) demonstrated the mcHF QRP transceiver (manufactured by MØNKA in the United Kingdom). Shel Radin (KFØUR CQC # 889) demonstrated the Bioenne battery power he used for his National Parks On The Air operation last year. Club president Scott Garcia (KCØHSV, CQC # 795) provided construction tips and techniques on the Elecraft K2 he had built.

All photos and videos by Roger J. Wendell (WBØJNR, CQC # 007)
Please click on any of these "thumbnail" images for a larger view!

1. KIØRB	2. KIØRB	3. KIØRB	4. KIØRB	5. KIØRB
6. KIØRB PowerPoint	7. KIØRB PowerPoint	8. KIØRB PowerPoint	9. KIØRB PowerPoint	10. KIØRB
11.KIØRB	12. KIØRB	13. KIØRB Tube Tester	14. Knight-Kit Star Roamer	15. Knight-Kit Star Roamer
16. KIØRB Tube Tester	17. KIØRB Tube Tester	18. KIØRB Tube Tester	19. KIØRB Tube Tester	20. KIØRB Tube Tester
21. KIØRB	22. KIØRB	23. KIØRB	24. KIØRB	25. KIØRB
26. KIØRB	27. KIØRB	28. KIØRB	29. Capacitors	30. KIØRB
31. KIØRB	32. KIØRB	33. KIØRB	34. ABØCD	35. KCØZLR
36. KIØRB	37. KCØHSV	38. WK8S	39. N1FN	40. Capacitors
41. KCØZLR	42. KCØZLR	43. KCØZLR	44. KCØZLR	45. KCØZLR
46. WK8S	47. WK8S	48. WK8S	49. WK8S	50. WK8S
51. mcHF QRP xcvr	52. LiFePO₄ Battery	53. LiFePO₄ Battery	54. WK8S	55. WK8S
56. KFØUR	57. Elecraft KX3	58. K2, KX3, KX2	59. KFØUR	60. ABØCD
61. KCØHSV	62. KCØHSV	63. KCØHSV	64. Elecraft K2	65. Elecraft K2

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Roger J. Wendell, WBØJNR