2013 onwards CQ-TV 241 to CQ TV 260

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Issue 251 Spring 2015
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