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Issue Introduction - October 1982

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Contents

• Acknowledgements
• Contents
• Foreword
• The Principles of Television
• The Signal
• Scanning
• Colour TV
• Coding and Decoding
• The Phase Alternate Line System (PAL)
• The ‘Y’ Signal
• Colour Difference Signals
• The National Television System Committee Standard (NTSC)
• The Pal System
• Setting up your TV Station
• The Video Section
• The Rf Section
• Coaxial Feeders
• RF Connectors
• Aerials
• Aerial Polarisation
• Video Sources
• Monochrome Pattern Generator
• Four-Input Vision Switcher
• TTL RGB Colour Bar Generator
• PAL/NTSC Colour Encoder
• Rainbow Electronic Callsign Generator
• TTL RGB Switcher
• Fade-To-Black
• Computers as Video Sources
• Sinclair Spectrum
• The BBC
• BBC Listing 1: Test Card with Call sign
• BBC Listing 2: Colour Bars
• Colour from the BBC
• The Commodore Amiga
• The Atari ST
• The PC
• A 70cm Amateur Television Station
• A 70cm Down Converter
• Construction
• Parts List
• Alignment
• 70cm Preamplifier
• The GaAsFET Preamplifier
• Construction
• Alignment
• The Bipolar Preamplifier
• Power Supplies
• A 70cm ATV Transmitter
• Introduction
• Construction
• Initial Setting up Procedure
• Installation
• Setting Up
• Specialist Components
• Parts List
• An RF Probe
• Alignment
• A 24cm Amateur Television Station
• An Introduction to Amateur TelevisionContents
• A 24cm ATV Receiver
• A 24cm GaAsFET Preamplifier
• A 24cm Transmitter
• Component Listing
• A 24cm Solid State PA
• THE F3YX 24cm ATV Receiver and Transmitter
• A Remote Control Modular ATV Station
• Introduction
• The Visual Display Unit (VDU)
• Construction
• Card Interconnect
• The Central Processor Unit (CPU) Card
• VDU Parts List
• The Video Switcher
• Circuit Description
• Construction Notes
• The Relay Board
• Components
• The Serial Port
• Circuit Description
• The Firmware Operating System
• The Machine Code Monitor Commands
• Memory Map
• A Simple Test Program
• Keyboard Problems
• A Spectrum Computer Controlled ATV Repeater
• Operating an Amateur Television Station
• Operating ATV
• Amateur Television Repeaters
• ATV Contest Working
• Appendix A
• UK 625 Line PAL system I specification
• Appendix
• The Amateur Television Sections of the UK Band Plan
• Appendix
• UK Amateur Television Repeaters (as of March 1992)
• Repeater Channel Frequencies
• Appendix D
• BATC recommended Suppliers
• Appendix E
• The BATC Amateur Television Contest Rules
• Appendix F
• Printed Circuit Boards:
• Special Components:
• Special Components from Trevor Brown

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