73 Amateur Radio Today – October 1969
Issue 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
73 Amateur Radio Today – October 1969
