73 Amateur Radio Today – August 1961

73 Amateur Radio Today – August 1961

Issue Contents:

Frequency Deviation Meter

– Another little garget to build from the brain of one of the top hams of all time …… K6BJ 6

Noise Limiter

– For the car. Transistorized printed circuited and the board is available …… W3BUL 8

SSB vs. AM

– Year-by-year count of band occupancy by SSB and AM. (SSB is winning) …… K0AXY 12

Square Antenna

– The Bi-square is easy to build and works out beautifully …… W8GUE/6 14

The Drake Receiver

– 73 rushes you info out the new Drake 2B. Amazing receiver as you will see …… Merritt 18

RTTY Converter

– Transistorized printed circuit. Board available. Best yet …… W5SFT 24

Two Meter Nuvistor – Cascode Converter

– If one Nuvistor is good why obviously two are better. Obviously …… WA2INM 28

Versatile Control Techniques

– Using those concentric TV controls in your ham rigs and receivers …… W4WKM 32

Impedance Bridge

– A whopper construction article. Details on building “professional” equipment …… K6CRT 33

Propagation Part 3

– Antenna height and angle of radiation importance during the coming minimum …… K2IGY 42

Simple as A-b-c

– Clarification (?) of the classes of amplifiers …… K5JKX/6 44

The Romance of Dixie Dan

– One of the better ham poems from our Renaissance man …… W6NKE 46

Propagation Charts for August

– What time to where when on what bands… Even inside the US… maybe …… K2IGY 48

Four Kinds of Ham

– A general discussion of stuff you’ve read before. The Golden Rule again …… K5JKX/6 50

Mobile Power Converters

– Transistor supply using filament transformers. Very clever… And cheap …… W2BXE 54

73 Tests the Finney 6 & 2 Meter Beam

– Interesting invention. You’ll want one if you read. Beware …… W3UZN 56

New Look At Old Ideas About Antennas

– The old timers really knew what they were doing… We can learn a lot …… K5JKX/6

Hiss Sputter or Crash

– Different types of noise and what to do about each of them …… K5JKX/6 66

Portable kW Transistor XMTR

– Newly released (early April) transistor makes shoe box kW simple …… K2PMM 72

73 Amateur Radio Today – August 1961

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