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73 Magazine (October 1969)

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Book Id: WPLBN0003304704
Format Type: PDF eBook :
File Size:
Reproduction Date: 2011

Title: 73 Magazine (October 1969)  
Volume: Vol 1, No. 109
Language: English
Collections: Periodicals: Journal and Magazine Collection, 73 Magazine
Publication Date:
Publisher: Amateur Radio Publishing, Inc.


APA MLA Chicago

73 Magazine (October 1969). (1969). 73 Magazine (October 1969). Retrieved from

Description: 73 Magazine October 1969 (#109)

Table of Contents
A Super-Gain Antenna for 40 Meters - Nine db on 40 meters might be called "super" ...... W4NVK 8 DX Corner - WTW reports and other DX jazz ...... K2AGZ 12 FET Chirper - Signal source for peaking converters for optimum signal/noise ...... K6QKL 20 The Inside Info on Alexander Graham - Or how the telephone really works ...... W2FEZ 24 Leaky Lines - Similar to "Grumbles," but by a licensed amateur, not a CB'er ...... K2AGZ 28 Scope Calibrator - Gadget you can build to improve your scope ...... WlOLP 32 Vidiots That Have Known Me - Sense of humor test. If you flunk, go back to 11 meters ...... K1YSD 34 The Protector - Protects your gear from sudden line voltage surges and interruptions ...... WA0HKC 40 Slower Tuning Rates for Older Receivers - Just like band spread ...... W4RNL 42 Positive Identification of Calibrator Harmonics - Keeps you off 6950 and other poor DX bands ...... K5LLI 46 Adapting AM Transmitters to FM - Good Heavens, is everyone going on VHF FM? ...... WA4UZM 50 CB Sets on Six - No need to junk that CB rig when you get your Tech ticket ...... WB2FHW 52 Proportional Control Crystal Oven - You need this sort of thing for moonbounce work and such ...... W2CLL 54 A Crystal Filter Phasing Control - Look at the i-f response in Fig. 10 and be amazed ...... W2LT 58 Grounded Grid Filament Chokes - You need these for linear amplifiers ...... W2IK 62 Equipment Cabinets with Style - Make it look commercial ...... W2OLP 64 VHF-FM: Part I - Advantages and practices. When are you going on FM? ...... WB2AEB 66 Bring Back the Q Multiplier - Invaluable for CW, notches out AM carriers, etc ...... W8RHR 68 Activation in VP2 - Anguilla Island activated ...... VP2AC 70 The CR Beam - Two meter corner reflector beam ...... WA4FDQ 73 The ARRL Board and Amateur Radio - An ex-ARRL Director evaluates the latest board meeting ...... W7ZC 76 A Cheap and Easy Power Supply - For a sideband transceiver ...... K4FQU 83 Extra Class License Course, Part IX - Modulation. We'll have lots of arguments on this one ...... Staff 86 Ham Jamboree - Scouts hit the ham bands every October ...... WB6IZF 108 Operation Cat's Paw - Whimsy ...... W7ZC 116 Knight V-l07 VFO for Six and Two Meters - Test report by a happy user ...... K6GKX 123 Careers in the FAA - Get on the government payroll ...... W6JTT 124 Youth Forum - Teenagers, arise! ...... WA1GEK 132 Index courtesy of

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