73 Amateur Radio Today – February 1969

73 Amateur Radio Today – February 1969

Issue Contents:

A Fast Scan Vidicon in Slow-scan Camera

– More on ATV …… K7VZZ 6

A Cheap and Simple Linear Amplifier

– More watts per dollar …… WB2PTU 10

The Beatnote Basher

– A selective audio filter …… WB6JXU 12

The Unijunction Transistor

– What they are and what they do …… VK3ZRY 14

What’s Out There

– Probing the universe for life …… W1EZT 24

Velcro

– A new material with ham potential …… K3AQH 32

TVI Suit

– Ham sued for one million …… Staff 36

>Nikola Tesla

– The master of electrical energy …… Elkhorne 38

Go Mobile

– Some pointers for new mobileers …… WB6ACM 58

Getting Your Extra Class License

– Part 1. AC-dC theory …… Staff 60

Is it Cold Down There?

– A common question in the Antarctic …… K6GKX 74

Ampheham

– Building project for odd connectors …… Staff 76

Be a Good Ham Not a Bad Egg

– The fine art of lending and borrowing …… W5NQQ 80

73 Visits FAA Center

– The electronic complex for aircraft control …… Staff 82

CW Only Here OM

– CW can be fun …… W6EKN 90

73 Amateur Radio Today – February 1969

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