https://wiki.batc.org.uk/index.php?title=1983_-_1987_CQ-TV_121_to_CQ-TV_140&feed=atom&action=history
1983 - 1987 CQ-TV 121 to CQ-TV 140 - Revision history
2024-03-29T13:44:16Z
Revision history for this page on the wiki
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G8GKQ: Created page with "=====Issue 121 February 1983===== {| class="wikitable" ;" ! style="width:400px; text-align:left;"|Article ! style="text-align:left;"|Page |- |1GHz oscillator |14 |- |24cm no..."
2016-06-27T14:40:02Z
<p>Created page with "=====Issue 121 February 1983===== {| class="wikitable" ;" ! style="width:400px; text-align:left;"|Article ! style="text-align:left;"|Page |- |1GHz oscillator |14 |- |24cm no..."</p>
<p><b>New page</b></p><div>=====Issue 121 February 1983=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|1GHz oscillator<br />
|14<br />
|-<br />
|24cm notes<br />
|41<br />
|-<br />
|Character memory<br />
|43<br />
|-<br />
|Colour caption keyer<br />
|8<br />
|-<br />
|Colour subcarrier phasing display<br />
|36<br />
|-<br />
|Composite colour on the BBC micro<br />
|7<br />
|-<br />
|FM TV<br />
|38<br />
|-<br />
|Gamma and AGC control<br />
|45<br />
|-<br />
|Handbook vol.2 notes<br />
|41<br />
|-<br />
|New ATV books<br />
|19<br />
|-<br />
|PAL and SECAM<br />
|39<br />
|-<br />
|TV receiver<br />
|32<br />
|-<br />
|TV repeaters<br />
|17<br />
|-<br />
|TV reporting chart<br />
|30<br />
|-<br />
|TVI (filter)<br />
|27<br />
|-<br />
|The Grant Dixon award<br />
|39<br />
|-<br />
|Tribute to Grant Dixon<br />
|21<br />
|} <br />
<br />
=====Issue 122 May 1983=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|70cm code of practice<br />
|30<br />
|-<br />
|70cm transmitter<br />
|20<br />
|-<br />
|An FM-TV receiver I.F.<br />
|6<br />
|-<br />
|Coaxial connectors (BNC)<br />
|34<br />
|-<br />
|Colour subcarrier distribution amp<br />
|16<br />
|-<br />
|Computer generated test card<br />
|25<br />
|-<br />
|El-cheapo telecine<br />
|32<br />
|-<br />
|The helix on 1.3GHz<br />
|39<br />
|-<br />
|USA ATV society<br />
|43<br />
|} <br />
<br />
=====Issue 123 August 1983=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|30 years ago - a look back<br />
|41<br />
|-<br />
|70cm linear amplifier<br />
|29<br />
|-<br />
|Book review - RSGB VHF/UHF Manual<br />
|26<br />
|-<br />
|Coaxial connectors (BNC)<br />
|21<br />
|-<br />
|Field sync detector and delay cct<br />
|20<br />
|-<br />
|Handbook 2 notes and corrections<br />
|42<br />
|-<br />
|Lincoln Hamfest<br />
|11<br />
|-<br />
|NBTV - what is it<br />
|12<br />
|-<br />
|PAL coder<br />
|7<br />
|-<br />
|Show roundup (BATC show 1983)<br />
|24<br />
|-<br />
|Specification for 1240/1325MHz TV repeaters<br />
|34<br />
|-<br />
|TX-9 notes<br />
|40<br />
|-<br />
|Teletext terminal<br />
|16<br />
|-<br />
|The things you write<br />
|15<br />
|} <br />
<br />
=====Issue 124 November 1983=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|Baird museum<br />
|55<br />
|-<br />
|Budget spectrum analyzer<br />
|27<br />
|-<br />
|Callsign insert<br />
|5<br />
|-<br />
|Circuit notebook - coax cable<br />
|44<br />
|-<br />
|Coalville gala<br />
|46<br />
|-<br />
|Coaxial connectors (PL259)<br />
|19<br />
|-<br />
|Colour bar generator<br />
|52<br />
|-<br />
|Handbook 2 notes<br />
|49<br />
|-<br />
|Monitor conversion<br />
|16<br />
|-<br />
|Printed circuits explained<br />
|22<br />
|-<br />
|Quality video from the BBC micro<br />
|34<br />
|-<br />
|TV alarm<br />
|47<br />
|-<br />
|TV scanner<br />
|53<br />
|-<br />
|The ’big sync’ modulator<br />
|32<br />
|-<br />
|The handbook coder re-visited<br />
|54<br />
|-<br />
|Video modulator<br />
|45<br />
|-<br />
|Wire-line for microwaves<br />
|8<br />
|} <br />
<br />
=====Issue 125 February 1984=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|3MHz video filter design<br />
|34<br />
|-<br />
|BBC test card program<br />
|20<br />
|-<br />
|Brighten up your image - part 1<br />
|6<br />
|-<br />
|Circuit notebook - ZNA234 chip<br />
|31<br />
|-<br />
|Coaxial connectors (’N’ series)<br />
|41<br />
|-<br />
|DX-ATV?<br />
|32<br />
|-<br />
|Dividing by ’N’ with CD4040<br />
|14<br />
|-<br />
|SSTV scan converter<br />
|39<br />
|-<br />
|TVs for monitors<br />
|22<br />
|-<br />
|TX/RX timing system<br />
|37<br />
|-<br />
|The ’Q-studio’ show<br />
|16<br />
|-<br />
|Universal<br />
|19<br />
|-<br />
|Video out from a ’RF’ only micro<br />
|30<br />
|} <br />
<br />
=====Issue 126 May 1984=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|Alinco EC-270 scan converter<br />
|16<br />
|-<br />
|Another FM demodulator for microwaves<br />
|48<br />
|-<br />
|Biasing the 2C39 <br />
|27<br />
|-<br />
|Book review - Amateur TV Q&A<br />
|50<br />
|-<br />
|Brighten up your image - part 2<br />
|44<br />
|-<br />
|Coaxial connectors (’SMA’ series)<br />
|24<br />
|-<br />
|Colour subcarrier - locked or unlocked?<br />
|30<br />
|-<br />
|DC conversion for ’Mains’ cameras<br />
|17<br />
|-<br />
|Ferguson TX-9 TV conversions<br />
|30<br />
|-<br />
|Home counties ATV meeting<br />
|51<br />
|-<br />
|Ideas for 1.3GHz<br />
|14<br />
|-<br />
|Microwave stub tuning<br />
|52<br />
|-<br />
|More colour bars<br />
|21<br />
|-<br />
|NBTVA - newsletter resume<br />
|41<br />
|-<br />
|TV repeaters<br />
|8<br />
|-<br />
|The MC1377 colour encoder<br />
|42<br />
|-<br />
|Vertical sync processor<br />
|23<br />
|} <br />
<br />
=====Issue 127 August 1984=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|1.3GHz notes<br />
|52<br />
|-<br />
|1984 General meeting<br />
|41<br />
|-<br />
|24cm colinear aerial<br />
|15<br />
|-<br />
|70 & 24 - what is the difference?<br />
|23<br />
|-<br />
|BATC 1984 Convention<br />
|11<br />
|-<br />
|Brighten up your image - part 3<br />
|20<br />
|-<br />
|Burst locked subcarrier oscillator<br />
|48<br />
|-<br />
|IRAC region 1 conference report (Sicily)<br />
|46<br />
|-<br />
|In the Studio - part 1<br />
|26<br />
|-<br />
|John Logie Baird remembered<br />
|37<br />
|-<br />
|Mods to G3WCY SSTV scan converter<br />
|6<br />
|-<br />
|Portable 50Hz power supply<br />
|58<br />
|-<br />
|Simple sync pulse generator<br />
|43<br />
|-<br />
|Three gems for 24cm<br />
|62<br />
|-<br />
|West German ATV convention<br />
|55<br />
|} <br />
<br />
=====Issue 128 November 1984=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|24cm Trade news<br />
|55<br />
|-<br />
|CQ-TV equipment review<br />
|48<br />
|-<br />
|Carnival broadcast<br />
|56<br />
|-<br />
|Character generator keyboard<br />
|16<br />
|-<br />
|Coaxial connectors (’SMB/SMC/SMD’ series)<br />
|31<br />
|-<br />
|FM deviation calibrator<br />
|25<br />
|-<br />
|In the Studio - part 2<br />
|35<br />
|-<br />
|Mini aerial for 24cm<br />
|53<br />
|-<br />
|Monitor TV conversion<br />
|23<br />
|-<br />
|Narrow-band IF filter<br />
|13<br />
|-<br />
|Software notebook - BBC colour bars, BATC logo<br />
|54<br />
|-<br />
|Some notes on SSTV<br />
|7<br />
|-<br />
|Sound sense<br />
|58<br />
|-<br />
|TV for Harefield<br />
|62<br />
|-<br />
|Yet another grey scale generator<br />
|60<br />
|} <br />
<br />
=====Issue 129 February 1985=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|24cm Radar suppression<br />
|59<br />
|-<br />
|ATV repeater - GB3CT<br />
|17<br />
|-<br />
|An alternative to Genlock<br />
|58<br />
|-<br />
|BATC at Scottish convention<br />
|21<br />
|-<br />
|Equipment reviews (24cm)<br />
|22<br />
|-<br />
|GaAsFET pre-amplifier for 1.3GHz<br />
|51<br />
|-<br />
|Goodbye 405 lines<br />
|64<br />
|-<br />
|Moray Firth ATV<br />
|41<br />
|-<br />
|Project 100 Colour gunlock<br />
|18<br />
|-<br />
|SSTV Transmit converter<br />
|7<br />
|-<br />
|Software notebook - BBC big text display<br />
|60<br />
|-<br />
|Some notes on SSTV - part 2<br />
|42<br />
|-<br />
|Sync processor<br />
|32<br />
|-<br />
|The good old days - part 1<br />
|56<br />
|-<br />
|Trade news<br />
|62<br />
|-<br />
|Video operated relay<br />
|27<br />
|} <br />
<br />
=====Issue 130 May 1985=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|Cheering up the Pye Lynx<br />
|14<br />
|-<br />
|Circuit notebook - D to A conversion<br />
|13<br />
|-<br />
|G4ENA SSTV TX auxiliary board<br />
|16<br />
|-<br />
|How high is low?<br />
|73<br />
|-<br />
|Ideas for an FM TV transmitter<br />
|50<br />
|-<br />
|In the Studio - part 3<br />
|26<br />
|-<br />
|Interfacing the Spectrum<br />
|42<br />
|-<br />
|Literature received<br />
|48<br />
|-<br />
|Passive repeaters<br />
|54<br />
|-<br />
|Queensland ATV award<br />
|67<br />
|-<br />
|SSTV in the UK<br />
|55<br />
|-<br />
|SSTV standards<br />
|74<br />
|-<br />
|Simple Genlock unit<br />
|68<br />
|-<br />
|Single chip colour encoder<br />
|8<br />
|-<br />
|Software notebook - Commodore 64<br />
|40<br />
|-<br />
|Spectrum BATC logo program<br />
|72<br />
|-<br />
|Sync separator<br />
|38<br />
|-<br />
|The EPIC - TV shooting script<br />
|37<br />
|-<br />
|The good old days - part 2<br />
|11<br />
|} <br />
<br />
=====Issue 131 August 1985=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|1.3GHz power amplifier<br />
|16<br />
|-<br />
|70cm RF probe<br />
|70<br />
|-<br />
|AGAF convention<br />
|40<br />
|-<br />
|Circuit notebook - Sync processor<br />
|38<br />
|-<br />
|Coax adapter<br />
|43<br />
|-<br />
|Colour on a ZNA234<br />
|32<br />
|-<br />
|DB0DP to DB0TT - German repeater group<br />
|81<br />
|-<br />
|G3WCY SSTV scan converter update<br />
|25<br />
|-<br />
|GB3VR - the Worthing repeater<br />
|28<br />
|-<br />
|How to avoid spots before the eyes<br />
|57<br />
|-<br />
|In the Studio - part 4<br />
|63<br />
|-<br />
|JVL 1.3GHz Loopquad<br />
|55<br />
|-<br />
|Monitor Conversion for Thorn TX-90<br />
|7<br />
|-<br />
|Pre-emphasis for FM-TV<br />
|74<br />
|-<br />
|Software notebook - BATC logo for BBC-B<br />
|46<br />
|-<br />
|Synchronising Micros and VTRs<br />
|77<br />
|-<br />
|The 1985 BATC rally<br />
|34<br />
|-<br />
|The perils of GB3GV<br />
|61<br />
|-<br />
|Troughline for 24cm<br />
|22<br />
|-<br />
|Tuning the ELC1043<br />
|44<br />
|-<br />
|Variations on a vision switcher<br />
|72<br />
|} <br />
<br />
=====Issue 132 November 1985=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|’ere turn your dev’ down a bit!<br />
|33<br />
|-<br />
|ATV threatened in the USA<br />
|19<br />
|-<br />
|An FM-TV generator<br />
|10<br />
|-<br />
|Camera connectors<br />
|58<br />
|-<br />
|Cheap aerial for 1.3GHz<br />
|48<br />
|-<br />
|Computer Graphics mixing system<br />
|6<br />
|-<br />
|Custom designed FM-TV video strip<br />
|52<br />
|-<br />
|Go/no-go crystal tester<br />
|56<br />
|-<br />
|In the Studio - part 5<br />
|21<br />
|-<br />
|Modifying the Sony HVS2000 video mixer<br />
|15<br />
|-<br />
|Notes on a video processing amplifier<br />
|65<br />
|-<br />
|Repeaters and things<br />
|60<br />
|-<br />
|Software notebook - VTR clock for BBC-B<br />
|49<br />
|-<br />
|South Australian ATV<br />
|57<br />
|-<br />
|Stripline filter for 1.3GHz<br />
|34<br />
|-<br />
|Switch-mode PSU<br />
|47<br />
|-<br />
|Television 1873 – 1927<br />
|18<br />
|-<br />
|Tuneable sound demodulator<br />
|31<br />
|}<br />
<br />
=====Issue 133 February 1986=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|24cm FM-TV transmitter<br />
|8<br />
|-<br />
|70cm coaxial collinear<br />
|62<br />
|-<br />
|Bruch blanking<br />
|56<br />
|-<br />
|CQ-TV magazine - how it is produced<br />
|34<br />
|-<br />
|DRAE slow scan system<br />
|28<br />
|-<br />
|G9AED remembered<br />
|32<br />
|-<br />
|In front of the tube - part 1 – optics<br />
|64<br />
|-<br />
|Modifying the Sony HVS2000 video mixer<br />
|40<br />
|-<br />
|One in, three out. Buffer amp<br />
|26<br />
|-<br />
|Phone line video<br />
|60<br />
|-<br />
|Robot and Wrasse (SSTV)<br />
|21<br />
|-<br />
|Simple, cheap plating methods for VHF<br />
|67<br />
|-<br />
|Teletron as a TV typewriter<br />
|48<br />
|-<br />
|US - ENG on 70cm?<br />
|24<br />
|-<br />
|US videophiles<br />
|46<br />
|-<br />
|Where are they now?<br />
|54<br />
|} <br />
<br />
=====Issue 134 May 1986=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|70cm or 24cm PA<br />
|14<br />
|-<br />
|BATC on Prestel<br />
|66<br />
|-<br />
|Colour sync pulse generator<br />
|52<br />
|-<br />
|G4ENA - SSTV extra<br />
|50<br />
|-<br />
|How wide is wide? (A video filter for 70cm)<br />
|20<br />
|-<br />
|In front of the tube - part 2<br />
|47<br />
|-<br />
|In the Studio – feedback<br />
|26<br />
|-<br />
|New FM-TV modules<br />
|11<br />
|-<br />
|New PAL coder<br />
|60<br />
|-<br />
|Pulse distribution amplifier<br />
|70<br />
|-<br />
|Software notebook - BBC caption generator<br />
|38<br />
|-<br />
|Square one - part 1 (for novices)<br />
|6<br />
|-<br />
|Teletron (the continuing story)<br />
|68<br />
|-<br />
|The "Carascanner" - OB scanner van<br />
|56<br />
|-<br />
|Video modulating the PYE pocketphone<br />
|34<br />
|} <br />
<br />
=====Issue 135 August 1986=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|24cm jottings<br />
|44<br />
|-<br />
|Band scan display<br />
|60<br />
|-<br />
|Colour from a ’no colour’ shack<br />
|80<br />
|-<br />
|Frequency converter for mathematical PAL<br />
|68<br />
|-<br />
|Handbook 2 character colouriser notes<br />
|42<br />
|-<br />
|Horizontal or Vertical? (aerials)<br />
|48<br />
|-<br />
|In front of the tube - part 3<br />
|64<br />
|-<br />
|New video switches<br />
|76<br />
|-<br />
|Radio microphone<br />
|47<br />
|-<br />
|Report on the BATC 1986 show<br />
|28<br />
|-<br />
|SSTV - Some notes and observations<br />
|26<br />
|-<br />
|Skycam<br />
|83<br />
|-<br />
|Software notebook - video testing on BBC<br />
|40<br />
|-<br />
|Square one - part 2<br />
|50<br />
|-<br />
|TVRO receiver<br />
|8<br />
|-<br />
|The PNP/NPN as an output pair<br />
|34<br />
|-<br />
|The YAESU FRG9600 for television<br />
|56<br />
|-<br />
|Why FM-TV for microwaves<br />
|53<br />
|} <br />
=====Issue 136 November 1986=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|10GHz transceiver<br />
|8<br />
|-<br />
|70cm VSB filter<br />
|42<br />
|-<br />
|ATV repeater news<br />
|32<br />
|-<br />
|Building your satellite TV receiver<br />
|52<br />
|-<br />
|In front of the tube - part 4<br />
|46<br />
|-<br />
|Kits, chips, and things<br />
|66<br />
|-<br />
|Modifying the ROBOT-400<br />
|14<br />
|-<br />
|New TVRO dish<br />
|60<br />
|-<br />
|Processing amplifier<br />
|74<br />
|-<br />
|SSTV - Wrasse pictures on the ROBOT 1200<br />
|69<br />
|-<br />
|SSTV on the ORIC<br />
|80<br />
|-<br />
|Satellite TV news<br />
|18<br />
|-<br />
|Sony camera remote control<br />
|64<br />
|-<br />
|Square one - part 3<br />
|77<br />
|-<br />
|TV cookery - tuning a magnetron<br />
|62<br />
|-<br />
|Tuneable sound demodulator for Sat. TV<br />
|50<br />
|-<br />
|Universal sync re-processor<br />
|24<br />
|-<br />
|Video enhancer<br />
|7<br />
|-<br />
|W&D 1240TVT on test<br />
|81<br />
|-<br />
|Wideband opto-coupler<br />
|21<br />
|} <br />
<br />
=====Issue 137 February 1987=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|10GHz transceiver<br />
|42<br />
|-<br />
|CQ-TV award (description)<br />
|63<br />
|-<br />
|Camtech 1.3GHz pre-amplifier<br />
|24<br />
|-<br />
|Circuit notebook - Black & burst generator<br />
|68<br />
|-<br />
|Cursor for SSTV keyboards<br />
|76<br />
|-<br />
|In front of the tube - part 5<br />
|78<br />
|-<br />
|International organisation for ATV, EATWG<br />
|12<br />
|-<br />
|SSTV - new standards for old monitors<br />
|71<br />
|-<br />
|SSTV on the BBC computer - part 1<br />
|51<br />
|-<br />
|Satellite TV news<br />
|40<br />
|-<br />
|Scanning & Syncs explained - part 1<br />
|7<br />
|-<br />
|Software notebook - BATC logo on TRS80<br />
|74<br />
|-<br />
|Solent kits are back (24cms ATV)<br />
|66<br />
|-<br />
|Spectrum computer RAM checker<br />
|82<br />
|-<br />
|Teletron - Spectrum computer link<br />
|57<br />
|-<br />
|Teletron extra (EPROM programmer prog.)<br />
|61<br />
|-<br />
|The G-11 TV chassis on 70cm<br />
|16<br />
|-<br />
|Tuning the G3YQC 24cm down converter<br />
|28<br />
|-<br />
|Video enhancers, do they always enhance?<br />
|64<br />
|-<br />
|Where on 10GHz. (band plan)<br />
|47<br />
|} <br />
<br />
=====Issue 138 May 1987=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|15W solid state power amp for 24cm<br />
|12<br />
|-<br />
|24cm - What gear?<br />
|66<br />
|-<br />
|50Hz frequency standard<br />
|25<br />
|-<br />
|An alternative colour encoder<br />
|75<br />
|-<br />
|Digital frame store<br />
|36<br />
|-<br />
|Experimenters corner, FM TV demodulator<br />
|79<br />
|-<br />
|Genlocking the ’Handbook 2’ colour coder<br />
|72<br />
|-<br />
|In front of the tube - part 6<br />
|56<br />
|-<br />
|Mechanical camera for SSTV & NBTV<br />
|54<br />
|-<br />
|Our repeater. GB3VR<br />
|50<br />
|-<br />
|SSTV on the BBC computer - part 2<br />
|60<br />
|-<br />
|Scanning & Syncs explained - part 2<br />
|38<br />
|-<br />
|Software notebook - Aerial design (Spectrum)<br />
|71<br />
|-<br />
|Specmanship - part 1 - the Decibel<br />
|22<br />
|-<br />
|The simplest pattern generator<br />
|34<br />
|-<br />
|UHF aerial distribution amplifier<br />
|31<br />
|-<br />
|Understanding Prestel<br />
|26<br />
|-<br />
|Vogad amplifier for intercarrier sound<br />
|46<br />
|}<br />
<br />
=====Issue 139 August 1987=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|70cm pre-amplifiers<br />
|72<br />
|-<br />
|ATV software<br />
|10<br />
|-<br />
|BATC ’87 rally report<br />
|25<br />
|-<br />
|Colorise the Cropredy Test Card<br />
|20<br />
|-<br />
|Downstream Keyer<br />
|29<br />
|-<br />
|Grey/Colour bars for the ’WCY scan conv.’<br />
|38<br />
|-<br />
|In front of the tube - part 7<br />
|60<br />
|-<br />
|Let’s build a repeater - part 1, Transmitters<br />
|50<br />
|-<br />
|Satellite TV news<br />
|58<br />
|-<br />
|Software notebook - SSTV for Spectrum<br />
|41<br />
|-<br />
|Sound in the studio - part 1, Balancing<br />
|64<br />
|-<br />
|Specmanship - part 2 – Noise<br />
|32<br />
|-<br />
|TV repeaters - a definitive list<br />
|44<br />
|-<br />
|The SCART connector<br />
|89<br />
|-<br />
|W&D 24cm Power amplifier<br />
|87<br />
|} <br />
<br />
=====Issue 140 November 1987=====<br />
{| class="wikitable" ;" <br />
! style="width:400px; text-align:left;"|Article <br />
! style="text-align:left;"|Page<br />
|-<br />
|A ’non-sync’ detector<br />
|73<br />
|-<br />
|ATV repeaters - an overseas list<br />
|38<br />
|-<br />
|An A/V fader<br />
|7<br />
|-<br />
|An intercarrier sound demodulator<br />
|79<br />
|-<br />
|In front of the tube - part 8<br />
|32<br />
|-<br />
|LMW 1.3GHz pre-amp<br />
|35<br />
|-<br />
|Let’s build a repeater - part 2, Logic<br />
|26<br />
|-<br />
|Mitsumi TVRO modules<br />
|65<br />
|-<br />
|Modified sync separator for Teletron<br />
|71<br />
|-<br />
|More MSX software – Titler<br />
|21<br />
|-<br />
|New aerials and power amplifier for 24<br />
|63<br />
|-<br />
|Portable inverter<br />
|34<br />
|-<br />
|Problems with portable generators<br />
|18<br />
|-<br />
|SSTV tuning indicator<br />
|40<br />
|-<br />
|Servicing the TX-90 portable<br />
|47<br />
|-<br />
|Software notebook - Colour bars (Spectrum)<br />
|54<br />
|-<br />
|Some useful video circuits<br />
|44<br />
|-<br />
|Specmanship - part 3 – VSWR<br />
|75<br />
|-<br />
|TVI<br />
|81<br />
|-<br />
|The 24cm experience<br />
|14<br />
|-<br />
|The SCART connector again, more info<br />
|16<br />
|-<br />
|Timebase correction<br />
|52<br />
|-<br />
|Top of Frame ident<br />
|11<br />
|-<br />
|Two tapes, video and audio<br />
|68<br />
|-<br />
|Video handbook 2nd edition<br />
|50<br />
|}</div>
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