Copies of CQ-TV more than 2 years old are free to download at https://batc.org.uk/cq-tv/cq-tv-archive/
Issue 259 Spring 2018
| Article
|
Page
|
| CAT18 and the BATC General Meeting
|
8
|
| GDPR and the BATC
|
12
|
| The HamTV Merger
|
13
|
| 3D Printed horn antennas
|
16
|
| 3404MHz Band Pass Filter
|
19
|
| Narrow-bandwidth Television Association
|
20
|
| Video Fundamentals 13 - test signals
|
21
|
| Running 28v Latched Relays from a 12v Rail
|
23
|
| Customising the adf4351 pic code for your frequency
|
27
|
| My Station - M0DTS
|
28
|
| Minitioune V0.8
|
30
|
| Producing a PIC for the 7 – band local oscillator
|
33
|
| Adding a display to the MiniTiouner-V2
|
37
|
| Updates from Germany from TV-AMATEUR 187
|
38
|
| Portsdown 2018
|
41
|
| Member’s Projects - F6GXI
|
43
|
| Touchscreen control of the DATV-Express
|
44
|
| Turning Back the Pages - CQ-TV 71
|
45
|
Issue 258 Winter 2017
| Article
|
Page
|
| 5.6Ghz ATV from Cumbria
|
11
|
| 9cm LNB Mounting
|
14
|
| GB3FB - A 9cm Digital ATV Repeater
|
15
|
| G3SMU silent key
|
21
|
| BATC report to the RSGB Spectrum Forum
|
22
|
| Kempton Park Rally - 5th November 2017
|
23
|
| A LED power output indicator
|
24
|
| GB3TZ 5.6GHz input
|
25
|
| 5.6 GHz WB ATV Tx
|
26
|
| Portsdown Update
|
27
|
| Portsdown Signal Generator
|
29
|
| Using old laptop screens for ATV
|
32
|
| Miniaturised Pulsed Relay Driver for 28V Microwave Relays
|
33
|
| Converting an old Satellite dish to a 23cm dish antenna
|
34
|
| Arthur C. Clarke
|
35
|
| Using the Tarot 5.6GHz ATV Modules
|
36
|
| Turning Back the Pages - CQ-TV 70
|
37
|
Issue 257 Autumn 2017
| Article
|
Page
|
| Treasurers Report for 2016
|
9
|
| DigiTwist
|
10
|
| The ADALM-PLUTO low cost SDR
|
14
|
| Silent Keys - G8AJN & G3KTU
|
16
|
| Video Fundamentals 12
|
17
|
| Using a MinimOSD board for On Screen Callsign Display
|
19
|
| Antenna range tests at Finningley for the BATC
|
21
|
| The Portsdown Digital ATV Transmitter A Beginner’s Guide
|
22
|
| The Portsdown Transmitter – Security Aspects
|
26
|
| Notes on Amplifiers & Filters
|
27
|
| A Vintage Pye Camera
|
29
|
| 5.6 GHz progress
|
30
|
| CAT17 report
|
31
|
| Repeater Update - October 2017
|
33
|
| The Bang-good 23cm aerial
|
34
|
| The Portsdown Transmitter in pictures
|
35
|
| A Coupler probe for use with the Rigol DSA 815-TG
Spectrum Analyser
|
36
|
| Turning Back the Pages - CQ-TV 69
|
37
|
Issue 256 Summer 2017
| Article
|
Page
|
| Portsdown Transmitter Construction Competition
|
10
|
| Power Amplifier for DATV
|
11
|
| DATV Moonbounce from Goonhilly
|
12
|
| The Portsdown Transmitter Software
|
15
|
| 8 GHz eBay Power Meter
|
17
|
| CAT 17 – September 9th and 10th 2017
|
18
|
| eBay Ampliiers
|
19
|
| MiniTioune Mark 2 DVB-S digital receiver
|
20
|
| Video Fundamentals 11: Studio systems – the Matrix
|
23
|
| My Station: Malcolm Johnson, G0UHY
|
25
|
| A cheap and easy 6cm ATV transceiver
|
26
|
| Ham Radio: DATV-Forum – the latest trends
|
28
|
| Known Digital ATV DX Records
|
29
|
| BATC website development
|
30
|
| Wideband LNBs
|
31
|
| Turning Back the Pages - CQ-TV 68
|
32
|
Issue 255 Spring 2017
| Article
|
Page
|
| AMSAT North America
Phase 4 Ground Segment Project
|
10
|
| Packaging Digithin
|
11
|
| The Portsdown Project - Overview
|
12
|
| The Portsdown so far…
A users experience of the build
|
14
|
| Portsdown Filter-Modulator Board -
Construction and Testing
|
16
|
| Portsdown Filter-Modulator Board Modifications
|
18
|
| ATV on TV - The day TX Factor came to visit
|
20
|
| G8LES Link Video recorder integration
|
22
|
| Could you help with the Scouts’ JOTA 2017?
|
25
|
| GB3ZZ Experimental Inputs
|
26
|
| BATC website development
|
29
|
| Relocation of the John Lawrence Valve Collection
|
30
|
| Es’hail-2 Ground Segment Planning Meeting
|
31
|
| Video Fundamentals 10: The Mixer
|
32
|
| A high performance ATV upconverter
|
34
|
| Turning Back the Pages - CQ-TV 67
|
37
|
Issue 254 Winter 2016
| Article
|
Page
|
| The BATC Portsdown DATV project
|
11
|
| The Portsdown Raspberry Pi-based DATV
Transmitter - Introduction
|
14
|
| Constructing the Portsdown Raspberry
Pi-based DATV Transmitter
|
16
|
| Software for the Portsdown Raspberry
Pi-based DATV Transmitter
|
18
|
| HamTV Update
|
21
|
| My Station - Tony Hornby, G1HBD
|
22
|
| BATC report to the RSGB Spectrum Forum
|
24
|
| Video Fundamentals 9 - Genlock and
Reference Signals
|
26
|
| Gilwell 24 - 2016
|
28
|
| Turning Back the Pages - CQ-TV 66
|
29
|
You can download a copy of the following magazines, which are more than 2 years old, at https://batc.org.uk/cq-tv/cq-tv-archive/ or by clicking on the issue header on this page.
| Article
|
Page
|
| The ADF4351 flexible signal source
|
9
|
| 7-band local oscillator
|
9
|
| ADF4351 driven by an Arduino
|
13
|
| GB3HV 70cms input update
|
15
|
| A 437 MHz DVB-S Transmitter
Using a Raspberry Pi
|
16
|
| The Making of ‘TXFactor’
|
20
|
| CAT16 - the full story
|
23
|
| VMix to RpiDATV via FFmpeg
|
26
|
| Noise Power meter for the Minitiouner
|
27
|
| Video Fundamentals 8
|
28
|
| DN1JKG calling OR4ISS
|
30
|
| DATV-Express on Windows
|
32
|
| Here and There...
|
34
|
| New and renewing members
|
35
|
| Turning Back the Pages - CQ-TV 65
|
36
|
| High Tech Wearables
|
38
|
| Article
|
Page
|
| Biennial General Meeting – Postal Votes
|
6
|
| CAT 16 Details
|
11
|
| Treasurers Report for 2015
|
12
|
| Dual Filter Board for DigiLite 5.9
|
14
|
| New super tuner design for dvb-s and s2
|
17
|
| HAMPADS: HAM-Portable Affordable Dish
for Satellites
|
18
|
| Summer ATV Contest Images
|
23
|
| Video Fundamentals 7 - Camera Signal Processing
|
24
|
| The Matilda Story
|
26
|
| My Station - Peter Yarde, G8DKC
|
35
|
| Article
|
Page
|
| CAT 16 and BATC AGM
|
9
|
| Peter Blakeborough, G3PYB - Silent Key
|
10
|
| A BATC Wiki
|
12
|
| The Principia Mission - Give us a wave Tim!
|
14
|
| Social Media
|
18
|
| Simple Antenna Tracker for the ISS
|
20
|
| Animated Test Cards
|
22
|
| My Station - G8VPG **New Feature**
|
24
|
| Activity at GB3ET
|
25
|
| Video Fundamentals 6
|
26
|
| DATV-Express power amplifiers
|
28
|
| Reduced Bandwidth TV Modulator
|
32
|
| New Application for DATV-Express
|
34
|
| More Modifications to the SUP-2400
|
35
|
| leandvb: A lightweight software DVB-S demodulator
|
36
|
| Open Broadcaster Software with DATV-Express
|
40
|
| SUP-2400 DiSEqC update
|
45
|
| Getting started in ATV - DATV reception
|
46
|
| Article
|
Page
|
| Latest developments at GB3GV
|
6
|
| BATC report to RSGB Spectrum Forum
|
8
|
| Alan Daw, G1APD - sk
|
9
|
| ARISS and HamTV - Supporting the Principia Mission
|
10
|
| Goonhilly Earth Station
|
12
|
| Variable SR filter for RB-TV
|
14
|
| The HamTV antennas on the ISS
|
16
|
| Using the SUP-2400 for 146.5 MHz Reception
|
17
|
| An outing for the LDK5 camera
|
19
|
| Amateur Television “Getting Started”
|
20
|
| Getting Started with RB-TV
|
25
|
| A bandpass filter for 146.5 MHz
|
28
|
| DiSEqC control for the SUP2400
|
29
|
| Video Fundamentals - Part5
|
31
|
| Simple System to Receive ARISS HamTV
|
33
|
| Using FFmpeg to generate a transport stream
|
34
|
| DATV transmission in the UK – a short history
|
40
|
| Using the Linx 1010b tablet for portable DATV
|
44
|
| GB3HV Christmas Dinner
|
46
|
| Article
|
Page
|
| Outside Broadcast with the BATC
|
9
|
| 146MHz RD70HVF1 Amp
|
11
|
| 24GHz building blocks
|
12
|
| 2 watt driver amplifiers for 1296 and 2304MHz
|
15
|
| HD TV news from Germany
|
19
|
| Slow Scan TV with a Raspberry Pi
|
23
|
| vMix using FFmpeg to create the Transport Stream
|
27
|
| Michael Hastings, G8ASI sk
|
32
|
| CAT 15 - A weekend of technical presentations
|
33
|
| Video Fundamentals - Part4: The Camera’s Eye
|
35
|
| Article
|
Page
|
| RB-TV Roundup
|
10
|
| The Low SR World Conquest
|
11
|
| DATV Developments in North Wales
|
16
|
| Minitiouner - USB Tuner Module
|
20
|
| Narrow band DATV on the BATC DTX1
|
25
|
| Product Review - PE1RKI 23cm four pole filter
|
27
|
| vMix using FFmpeg to create the Transport Stream
|
27
|
| Video Fundamentals - Part 3: Picture Monitor
|
29
|
| Video Sync generator
|
31
|
| A Field Day station with PC6REC
|
36
|
| Article
|
Page
|
| New 70MHz band for RB-DATV
|
9
|
| A Two way on 146.5MHz RB-DATV
|
10
|
| 146MHz RD06+RD15 Amp
|
12
|
| New Life for Old Rotators
|
13
|
| A Guide to setting up the DATV Express for
RB-DATV Operation on 146.5MHz
|
15
|
| Portsmouth RB-TV Meeting
|
17
|
| DigiThin - A Narrowband QPSK Modulator for the Raspberry Pi
|
19
|
| DigiThin Beta Testing
|
22
|
| Add-On Transport Stream Dock for BATC DTX1
|
23
|
| RPiDATV software improvements
|
25
|
| GB3KM - the first year of operating on 3.4GHz
|
26
|
| ATV image generator using the Raspberry Pi
|
28
|
| Local oscillators in 1.2GHz band, for Digilite DATV System
|
29
|
| RB-TV receiver developments
|
31
|
| Comparing DATV models
|
32
|
| Video Fundamentals 2 - Colour Bars
|
34
|
| Classic circuits - PicDream
|
36
|
| Article
|
Page
|
| BATC report to the RSGB Spectrum Forum Oct 14
|
11
|
| Reduced Bandwidth DATV (RB-TV)
|
13
|
| RB-TV Awards Programme
|
17
|
| Antennair DTX-F70 and the Antennair DTX-F23
|
18
|
| Understanding DATV RF Bandwidth for DVB-S
|
20
|
| IARU Region 1 General Conference Report
|
23
|
| Video Fundamentals 1 – The Line Sync Pulse
|
25
|
| BATC Streaming Service
|
26
|
| RPiDATV RB-TV transmit system
|
28
|
| BATC New subscription rates
|
33
|
| MAX On-Screen-Display Generator
|
34
|
| Classic circuits – General Purpose Amplifier
|
36
|
| Digital-ATV - Using ODROID with the DATV-Express board
|
37
|
| GoPro Hero 4
|
42
|
| Article
|
Page
|
| CAT14 - in words and pictures
|
8
|
| DVB-S on the Solent - Part 1
|
10
|
| The Marconi at CAT14
|
11
|
| Effect of Phase Noise on a DVB-S Signal
|
14
|
| DVB-S on the Solent - Part 2
|
15
|
| Weak Signal Performance of DVB-S Receivers
|
17
|
| Geostationary ATV could be on its way!
|
19
|
| Museo de la Imagen - Santiago de Cuba, Cuba
|
20
|
| Annual Worldwide ATV QSO Party
|
23
|
| DVB-T with a Hides HV110
|
30
|
| IARU Region 1 Conference
|
31
|
| A Filter for 437MHz
|
32
|
| Classic Circuits - a Look Through Filter for 23cms
|
34
|
| ATV streaming using a Mac
|
35
|
| Article
|
Page
|
| The Constitution of the BATC
|
9
|
| Video Processing Circuit
|
12
|
| There’s something different on Fast Scan TV
|
16
|
| Using a small ARM based mini TV box for digital TV
|
20
|
| Online ATV streams and HAMNET
|
22
|
| Streaming Student Robotics 2014
|
23
|
| Treasurer’s Report for 2013
|
24
|
| VK DATV QSO Party
|
26
|
| New Rigol Spectrum Analyser discoveries
|
28
|
| DVB-T-Receiver HV-110
|
34
|
| 4K – what is it?
|
35
|
| Classic Circuits - A Tuneable 70cm Narrowband Filter
|
39
|
| Article
|
Page
|
| ISS HamTV Received
|
9
|
| BATC CAT14 and the General Meeting
|
10
|
| New Repeaters on the Air
|
12
|
| BATC and you, the Member
|
14
|
| DATV-Express Project
|
15
|
| HamTV from the ISS
|
16
|
| VK6MJ - ISS Tracker
|
18
|
| Using the Raspberry Pi to Control an Ultram VCO
|
19
|
| The BATC Forum
|
20
|
| 70cm Yagi
|
22
|
| Versatile Audio AGC Circuit
|
23
|
| Digital ATV – Using a Spectrum Analyzer
|
29
|
| Early Colour Cameras and their problems- Part 2
|
34
|
| Classic Circuits - Remote control using DTMF
|
35
|
| Turning Back the Pages - CQ-TV 56
|
37
|
| Late news - New Geostationary satellite; More
frequency at VHF; the latest ISS news
|
39
|
| Article
|
Page
|
| DX Records
|
8
|
| Repeater News - GB3GV
|
9
|
| CAT13 - the Finningley report
|
11
|
| A 2.5 Watt LDMOS Driver for the 1.3GHz band
|
15
|
| A Beginner’s Guide to Field Programmable
Gate Arrays (FPGAs) Part 2
|
18
|
| 10 GHz Synthesised ATV FM TX
|
21
|
| Early Colour Cameras and their problems- Part 1
|
21
|
| Stand Alone DigiLite with an MK808
|
24
|
| Classic Circuits - Black Level Clamps
|
27
|
| A Tutorial on Displays
|
29
|
| HamTV Bulletin 3
|
34
|
| Digital Integrated Receiver Decoder (IRD)
for use on repeaters
|
37
|
| Low Cost DVB-S Receivers Suitable
For HAMTV Reception
|
40
|
| Article
|
Page
|
| BBC BH and Paul Marshall
|
6
|
| Don Reid
|
7
|
| An Introduction to the DTX1 Transmitter
|
10
|
| DTX1 1st User Review
|
11
|
| PGA103+ Broad Band Amplifier
|
12
|
| CAT13 – the BATC 2013 Convention details
|
15
|
| BATC Presentation for DXSpot.TV
|
16
|
| DXSpot.TV details and information
|
17
|
| BATC Treasurers Report for 2012
|
18
|
| 50 years of home video recording
|
20
|
| BATC Training – the Digital Studio part 2
|
24
|
| Setting up a Virtual Studio
|
30
|
| History of Television – Monoscope Cameras
|
36
|
| GB3IV Repeater
|
38
|
| A new approach to Digital ATV repeaters in New Zealand
|
40
|
| DATV from the International Space Station – full specification
|
44
|