2013 onwards CQ-TV 241 to CQ TV 260
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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 |
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.
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 |
Issue 253 Autumn 2016
| 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 |
Issue 252 Summer 2016
| 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 |
Issue 251 Spring 2016
| 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 |
Issue 250 Winter 2015
| 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 |
Issue 249 Autumn 2015
| 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 |
Issue 248 Summer 2015
| 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 |
Issue 247 Spring 2015
| 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 |
Issue 246 December 2014
| 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 |
Issue 245 September 2014
| 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 |
Issue 244 June 2014
| 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 |
Issue 243 March 2014
| 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 |
Issue 242 December 2013
| 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 |
Issue 241 September 2013
| 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 | 20 |
| FPGA programming for beginners. Part 1 | 21 |
| 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 |