BATC Wiki

Welcome to the British Amateur Television Club Wiki - the place to find information on all Amateur Television related equipment and projects. For details on how to join the BATC, the member's shop and CQ-TV archive and download visit the BATC website https://batc.org.uk/

This is your site, developed by the BATC for use by the worldwide ATV community - any information which you feel is of use to others can be put on the Wiki but please observe any copyright restrictions on the material you use. 

• New to Amateur TV - Get the basics on our Getting Started page

• For details on the Portsdown DATV transmit and receive system go to the Portsdown pages

• For information on the MiniTiouner USB DATV receiver go to MiniTiouner

• For the DATV equipment capability list go to https://wiki.batc.org.uk/DATV_equipment_capability

Contents

• Registering on the BATC wiki

New to Amateur TV?

• Get the basics on our Getting Started page

BATC Information and services

• Joining the BATC

• Renewing your membership

• The BATC Privacy statement and data protection policy

• The BATC forum

• The BATC shop

• The BATC streamer

• The BATC archive Collection of photos and documents from BATC's past

• The BATC website

BATC projects

• The Portsdown Transmitter - the BATC's Raspberry Pi-based DATV Transmitter
• MiniTioune - the DATV DVB-S / S2 receiver project
• Ryde Receiver - Dedicated DATV set top box project
• Knucker - Variable bandwidth DVB-T project
• Advanced receiver hardware - Details of the BATC advanced receiver hardware.
• WinterHill Receiver Project - Multi-channel DVB-S / S2 project
• BATC Video Source - The Raspberry Pi-based composite video source described in CQ-TV 270
• BATC HDMI Source - The Raspberry Pi-based HDMI video source to be described in CQ-TV 280
• Digilite - The original home build DATV construction project
• Repeater Controller - The BATC ATV Repeater Controller using a Raspberry Pi 4
• ARISS Digital Communication System
• PicoTuner - A USB tuner for DATV using the RpiPico as the USB interface

CQ-TV Magazine

• Index of articles
• Archive editions download
• BATC_Software_Library for project downloads

BATC Event Streaming Equipment

• Equipment Description

BATC Conventions

Presentations from previous conventions can be found on this page BATC Conventions

National and International Events

• HAM RADIO 2018 ATV Presentations from HAM RADIO 2018 at Friedrichhsafen.

• HAM RADIO 2019 ATV Presentations from HAM RADIO 2019 at Friedrichshafen.

• HAM RADIO 2022 ATV Presentations from HAM RADIO 2022 at Friedrichshafen.

• RSGB Convention 2022 ATV Presentation at the 2022 RSGB Convention 2022

• HAM RADIO 2023 ATV Presentations from HAM RADIO 2023 at Friedrichshafen.

• EMFcamp 2024 BATC / AMSAT-UK / UKuG demonstration village at EMFcamp 2024.

• HAM RADIO 2024 ATV Presentations from HAM RADIO 2024 at Friedrichshafen.

HAMTV on the ISS

HAMTV from the ISS

Getting on the air with ATV

The ATV bands

• 29 MHz
• 51 MHz
• 71 MHz
• 146 MHz RB-TV
• 70cms Analogue TV
• 70cm DATV
• 23cms ATV
• 13cms
• 3.4 GHz DATV
• 5.6 GHz
• 10 GHz
• April 2018 Presentation to MMRT about ATV on 5.6 10 and 24 GHz

The different ATV modes

• Reduced bandwidth TV (RB-TV)
• The Effect of FEC

Equipment Options

• DATV transmitting Equipment

Advanced encoding / input options

Details of advanced transmission configurations, primarily for H265,and video production software.

• Vmix output in to Portsdown IPTS input
• OBS output in to Portsdown IPTS input
• Using GTX10xx Graphics card encoder with OBS
• Using the Pluto for DATV
• Using the Jetson Nano with Portsdown

Operating

• DATV equipment capability - Wiki page documenting the capabilities of common DATV transmit and receive equipment.
• ATV standards - a list of standards used by ATV operators including FM bandwidths, DATV PIDs, symbol rates and FEC
• EMF Compliance - information about EMF compliance for ATV and Microwave Operation
• Directory of portable sites suitable for ATV and microwave operation
• Google map showing possible portable operating sites
• Mapping tools including finding the QRA locator of a site, UK postcode to Lat and Long conversion and a topographic overlay for Google maps
• Propagation tools
• UK ATV DX Records - a list of Known DX Records for the UK
• 2025 Activity Weekends
• Christmas 2024 Repeater Contest & Activity Challenge
• 2025 Activity Ladders
• IARU ATV contest - How to enter the annual international TV contest
• IARU ATV contest 2023 International Results - International Results for the June 2023 IARU Contest
• IARU ATV contest 2022 International Results - International Results for the June 2022 IARU Contest
• IARU ATV contest 2021 International Results - International Results for the June 2021 IARU Contest
• IARU ATV contest 2020 International Results - International Results for the June 2020 IARU Contest
• IARU ATV contest 2019 International Results - International Results for the June 2019 IARU Contest
• IARU ATV contest 2018 Results - UK Results for the June 2018 IARU and BATC Contests
• IARU ATV contest 2018 International Results - International Results for the June 2018 IARU Contest
• September 2019 BATC Low Band Contest

ATV repeaters

• UK ATV repeaters
• USA ATV repeaters
• Australian TV repeaters

• Technical topics for ATV repeater builders

Es'hail-2

• Getting started, LNBs and aligning a dish

• Es'hail-2 BATC WebSDR & DATV Spectrum Monitor

• Es'hail-2 DATV Bandplan

• Es'hail-2_LNBs

• Es'hail-2 Transmitters

• Es'hail-2 Antennaes

• Es'hail-2 conference transmissions

ATV projects

• Adalm Pluto - Collection of information on using the Adalm Pluto for DATV
• The MacGuffin Project - Collection of tools used to create an automated multi-band ATV system
• Receiver upconverters - Details of upconverters to receive 146 and 437 MHz on STB and MiniTioune
• Jetson Nano - Third generation computer-based DATV Transmitter
• DTX1 TS - interface board to take in TS streams to the DTX1
• RpiDATV - software for the Rpi
• RBTVMOD - variable rate RB-TV mdulator for the Rpi
• DATVExpress - SDR hardware based DATV transmitter covering 70 - 2450 MHz
• PE4302 - PE4302 variable attenuator project
• ADF435x PIC - PIC controllers for Chinese ADF4350/4351 boards
• DigiTwist - an experimental 2 axis satellite tracker
• G4WIM PA controller - an advanced PA controller design by G4WIM published in CQ-TV 265
• WinterHill Receiver Project
• Tilt-O-Matic Pan and tilt head for surveyor tripods
• Gerber Files Index of Gerber (PCB) files used by BATC and Members' Projects

Deutschsprachiges Wiki

• Portsdown DATV Projekt - Deutschsprachiges Wiki
• Minitioune(r) - Deutschsprachiges Wiki

Useful Circuits and notes

• Antenna changeover relays - Notes on suitable antenna change over relays for ATV use.
• Filters - Collection of links and designs for that most critical but over looked component!
• Pre-amps - Notes, suppliers and circuits of pre-amplifiers suitable for ATV
• Power amplifiers - Notes, suppliers and circuits of power amplifiers suitable for ATV
• Video circuits - Notes and circuits for video processing
• Satellite receiver tuning offsets - Note on how to set up a satellite receiver to directly receive L band signals.
• Using ex-satellite dishes - Notes on how to find the feed point of a dish and designs for feeds to use

ATV Equipment manuals and schematics

• Bob Platts G8OZP Circuits and documentation for the Bob Platts range of equipment
• Comtech module - 23cms and 13cms ATV Tx and Rx circuits and guides
• Solent ATV units - Tx and Rx circuits and information
• Wood & Douglas FM TV equipment - Circuits, pcb layouts and information
• LMW Electronics - Circuits, pcb layouts and information
• Fortop - Circuits, pcb layouts and information
• Glencom - VC-510 VHF to L band up converter circuit diagram and modifications
• Global communications - Hand drawn circuit of tuneable 70 / 140 MHz to L band block up converter
• Jaybeam - Details of many Jaybeam aerials

Ex commercial broadcast equipment manuals

• NDS System 3000
• NDS Alteia rx

Test equipment Information

For HP and Agilent equipment see the io group discussion at [1]