2003 - 2007 CQ-TV 201 to CQ-TV 220

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Issue 220 November 2007
Article Page
AGAF ATV Meeting 2007 22
An ATV Pioneer of the Early Days 24
Circuit Notebook 95 7
Colourful Times (Reprise) 26
Crystal-Locked Audio Subcarrier - Revisited 35
DATV at UK Microwave Round Table 13
Hi Again! 38
IBC Report – 40 years on 14
Progress Report on the ATV Project for the ISS 30
The Pre-War Corrie and Other Things 33
Treasurers Report 20
Video and Audio Over Cat 5 9
Video Mixer for Disposal 32
Issue 219 August 2007
Article Page
Circuit Notebook 94 5
Colourful Times 27
Experimental Television 21
Fatherland TV 29
The Ejector Seat 10
The Poor Man’s Digital ATV Transmitter 11
Thomas Telford 1757 – 1834 Engineer Extraordinary 23
TV Cameras Come and Go 30
Understanding Analog Video Signals 31
Issue 218 May 2007
Article Page
Ain’t No Dummy 10
Circuit Notebook 93 6
Get a Grip on Clamps, Bias and AC-coupled Video Signals 36
Memories of Winter Hill 22
Modifications to the Advanced TV Repeater 17
Pixel Power 12
Signalling Protocol Specification for the Advanced Repeater Project 14
Streaming ATV Repeater Video on the Internet 30
Terrestrial TV Switch-off 13
The Middlesex University Teaching Resources Televisor Kit 26
Vertical Interval Switching – A Tutorial 4
What, Yet Another ATV Record Attempt? 24
Zero Hunting Disc Monitor 31
Issue 217 February 2007
Article Page
Adding 3cm to the GB3BH Repeater 38
ATV Repeater Project 14
Autocycler for the Teletext Video Generator 32
A CVBS to YC Splitter 26
A Question of Gamma 23
Book Review 33
Circuit Notebook 92 11
DATV over IP 7
Embedded Audio 28
Gennum Calls Last Orders on Certain Analog Parts 31
IARU Region 1 Interim Meeting 5
Walkabout Antenna for 2.4 GHz 12
Issue 216 November 2006
Article Page
ATV Repeater Project 20
Circuit Notebook 91 11
Grande Bleue 2006 36
IBC 2006 – A Higher Definition View 17
SDI Mixer Wrap 13
Test and Modification of a 6 Channel Video Amplifier 34
To AC-Couple or Not to AC-Couple? That is the Question! 30
TV 70. Dicky Howett Reports on an Anniversary 37
Video Switch for Portable or Simple Shack Use 11
Why Do We Need Digital ATV? 9
Issue 215 August 2006
Article Page
A Decade of Change 39
An Improved Diplexer 16
BATC Accounts 2005 24
Circuit Notebook 90 13
Flying Camera 19
Introducing our Next President 6
Lens to Lens Part 3 28
Noah Part 2 9
SDI Routing Switcher Part 3 34
Issue 214 May 2006
Article Page
Audio/Video Switch for Dual SCART Connector 36
BVWS Meeting in Harpenden 34
Circuit Notebook 89 27
It Pays to Keep Your Eyes Open 25
Lens to Lens Part 2 14
NOAH – Design of an Aspect Ratio Converter 6
OFCOM Deregulates Amateur Radio Licensing 29
Receiver Pain from too much Gain? 12
Television Comes Home 26
Television Comes in Threes 30
Two Tone Generator with 500 and 1000 Hz 32
Issue 213 February 2006
Article Page
A Digital Measurement Technique 45
A Progress Report on the ATV Project for the ISS 25
ATV Repeater Update – December 2005 36
Circuit Notebook 88 27
Feelings 48
Lens to Lens Part 1 31
Project Development with PICs 12
The Alford Slot 41
The Care and Feeding of Vintage Broadcast Cameras 17
Tutorial on Video and Audio Switching 6
Veteran Marconi 49
You’ve Been Served 30
Issue 212 November 2005
Article Page
BATC Accounts for 2004 28
Circuit Notebook 87 24
DATV, Some More Experience 6
HF Weather Fax 30
Review of IBC 2005 12
Switch Your Hard Drives 23
Treasurers Report 2004 15
Using a Domestic VCR to Record NBTV Video 18
Issue 211 August 2005
Article Page
70cm DATV Down Under 15
AGAF at Ham Radio Fair 2005 in Germany 45
ARISS for ATV? 43
BS2 STAMP Repeater Controller 38
Easy 30W on 13cms 19
Even More About Digital Television 31
High Definition – What Is It and How do I Deal With It 26
In the Edit Suite – Part 5 6
LP Video Filter for Digital/Analogue Television Experiments 7
NBTV on a MAC - Update 14
Preserving Yesterday for Tomorrow 36
Reader Questionnaire – And Here Are The Results 24
Subscription Rates 30
Welcome to the Digital World 22
Issue 210 May 2005
Article Page
ATV Meeting Ulm (Southern Germany) 46
ATV Repeater Valluga 2809M ASL 49
A 500mW Linear Amplifier for 1249 MHz 33
A Dish on 23cms! 44
Circuit Notebook 86 42
DATV in Simple Terms – Part 3 18
In the Edit Suite Part 4 26
NHK Museum of Broadcasting 30
Reader Questionnaire 21
Record the Net 28
The Future of Amateur Radio Licensing – The Facts 11
Turn Your Camcorder into a Studio Camera 14
Widescreen Signalling 35
Yet More on the Digital Mixer 6
Issue 209 February 2005
Article Page
An LED Camera Light 9
DATV in Simple Terms – Part 2 16
Digital versus Analog – The Kell Factor 15
EBU and DATV Re-visited 8
GB3BH 34
In the Edit Suite – Part 3 13
ITS Generator Part 2 - Audio 35
The Ampex/Nagra VPR-5 Video Tape Recorder 33
Video Filter/Buffer Chip 31
Issue 208 November 2004
Article Page
10th Anniversary for GB3TM 25
1W PA for 13cm FM-ATV 43
Acrobat 6 for the ZX81 Required 6
An SDI Routing Switcher – Part 2 24
ATV 10 GHz – New World Record 52
ATV Meeting at Broadcast Station NDR Hamburg 44
Audio Routing Switcher 40
Circuit Notebook 85 35
DATV Boat Mobile 45
DATV Experience so Far 30
DATV in Simple Terms – Part 1 26
Digital Down Under 47
In the Edit Suite – Part 2 10
ITS Generator 17
Look What I Found! RCA Telecine Caught in a Time Warp 48
Narrow Band Television Demonstration 29
Reflections on IBC 2004 38
That Elusive Spot 45
Issue 207 August 2004
Article Page
An SDI Switching Router 8
ATV From Space 32
A Non-mechanical NBTV Monitor - Update 34
Constitutional Amendments 36
Electronic CQ-TV 46
In The Edit Suite 20
It’s All In Toronto 12
Light Reading 16
Minutes of the BATC BGM 2004 30
RF Level Video Inserter 38
The Early Television Foundation’s Annual Convention 2004 26
TV or not TV? 44
Video Basics 39
What’s Wrong with Analogue Satellite Receivers for ATV? 37
Issue 206 May 2004
Article Page
13cm DATV Converter 23
Active Filters for Video 33
An Outside Broadcast Truck for the 21st Century? Maybe 29
BATC Accounts 2001 - 2003 41
Blue Screen Chroma Key or CSO 9
Circuit Notebook - 84 21
Digital ATV and my Place in the Gene Pool 22
Electronic CQ-TV 46
Here is the News 16
Not to be Tried at Home 40
RS-232C Powers and Reads 8-bit Switch Matrix 28
Satellite TV News 17
Shuttleworth 2004 7
Television Cameras I Have Known 43
Issue 205 February 2004
Article Page
An Easy-build 23cm Look-Through Filter 39
An NBTV Non-mechanical Monitor 46
A Tale of 2 ENG Cameras 34
BATC BGM and Convention 2004 25
Cheap and Simple Test Card Generator 15
COFDM DVB-T DATV System 29
Electronic CQ-TV 50
First DATV Units Tested and Delivered 38
HDTV with 1080 Lines Vertical Resolution 12
IBC 2003 – A Brief Report 8
Maritime Mobile HDSSTV in the Med! 26
NBTV Gamma Correction Ideas 23
NBTV Software 18
Satellite TV News 41
TDC High Resolution Sensors 17
The Mk2 Low-Cost Testcard Generator 14
Issue 204 November 2003
Article Page
23cms ATV Repeater Map 49
AGAF at Ham Radio 2003 52
ATV Controller for Comtech Modules 40
A Personal View of Digital TV – Part 7 11
A Warning About Foam 56
Circuit Notebook 83 39
DATV Down Under Part 2 37
Digital Terrestrial Set Top Boxes for DATV 15
Don’t Junk that VCR! 53
Front Panels 33
Infra-red Remote Control System 44
In Retrospect 7
Lincoln Shortwave Club ATV Contest Report 50
The BATC Open Day 8
TV Technology “Brought to you in Living Colour” 57
UK ATV Repeater List – September 2003 48
Up, Up and Away! 25
Very Nearly Transparent 34
Video Switcher Using High Speed Op Amps 18
Issue 203 August 2003
Article Page
A Hexadecimal Reader for Digital Television Experiments 7
UK Repeaters – A Report 9
A Personal View of Digital Television – Part 6 11
Repeater RIP 15
Capturing Analaogue Video onto CD 16
Plasma Displays 17
TV Technology: The Image Orthicon Tube 23
Circuit Notebook 82 30
UK/Holland 2003 32
Image Grab Processing 33
Attempting an ATV Contest 36
SR-Systems DATV Transmitter 37
Second Digital ATV Test at DB0HEX 44
Amateur Television – A Beginner’s Guide 45
Home Counties ATV Group at the Epsom Rally 47
G1MFG – Summer Fun 2003 49
Film into TV 53
DC-DC Converter for use in Satellite Receivers 55

=====Issue 202 May 2003=====

Article Page
Funny How Things Turn Up 10
A Personal View of Digital TV – Part 5 11
DATV Down Under 16
DVB-? Pros and Cons 19
Spots for 5 Seconds 21
Colour Test Card Generator - Review 22
STV 5730A – Thank You 24
East Yorkshire Repeater Group (Wanted) 29
Continuous Tuning for G1MFG Receivers 30
The G3WDG 23cms PA – A Not Very Technical Review 32
Analogue vs Digital ATV – What are the Pros and Cons? 34
Bouncing Microwaves? 38
EBU Colour Bar Generation 42
Golden Slumbers 43
75th Anniversary of the First Transatlantic TV Transmissions 44
P Rating Noise and Colour 45
Circuit Notebook 81 47
Electronic Filter for Colour Video Signals 49
TV History: Little Televisions 53
Issue 201 February 2003
Article Page
The PYE is Dished - Review 6
Web Cams – A New Communications Channel? 8
STV5730A Character Generator - Review 13
Rallying Around 14
Circuit Notebook 80 15
A Low Cost Caption Generator 23
A Personal View of Digital Television Part 4 33
What Amateur Television Means to Me 39
Completing the G8SUY 24cm ATV Transmitter 39
The BBC For All to See – A Backstage Tour of the

BBC Television Centre

40
Bye-bye Betamax 40
Low Cost Colour Test Card Generator 41
Effect of Multipath Reception on QPSK Digital TV 45
NBTV Pattern Generator with Genlock 46
Worldwide ATV Contacts Using Internet Radio Linking

and the Internet for Talkback

50