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

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