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