2023 - 2028 CQ-TV 281 to CQ-TV 300
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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 287 Spring 2025
| Article | Page |
|---|---|
| The BATC Needs You | 5 |
| Muntjac SDR – an Update | 8 |
| A learning curve with a 70cms pallet | 12 |
| BATC at HAM RADIO 2025 Friedrichshafen | 13 |
| The Portsdown Newsletter | 14 |
| Q1-2025 Dx news from the GB3JV TV Repeater | 14 |
| Bias-Tee: complicated? | 16 |
| Aerial experiments for DATV | 19 |
| A Portable DATV System | 21 |
| 8th March 2025 Activity day | 23 |
| PE43703 Attenuator Controller | 25 |
| Building a(nother) rotator for /P usage | 28 |
| High power PSU with current limiting | 30 |
| Fun and games with an Arduino | 31 |
| Product review: Banggood Buck-Boost 120W Power supply | 32 |
| Turning Back the Pages | 33 |
Issue 286 Winter 2024
| Article | Page |
|---|---|
| Trevor Lumb home built camera | 7 |
| The Portsdown Newsletter | 8 |
| Another solution for effective talkback | 10 |
| BATC at the Midland Microwave Round Table | 11 |
| BATC at the RSGB Convention | 12 |
| SRT - How to get started | 14 |
| Antenna polarization: why horizontal? | 16 |
| DATV linear transponder on HB9TV-1 relay | 19 |
| Conversion of 70cms 350 watt power amplifier pallet | 20 |
| AllStar DATV Talkback | 21 |
| BATC Subscriptions | 21 |
| Digital signal path upgrade of GB3EY | 22 |
| November Activity Weekend and a 71MHz bandpass filter | 26 |
| 5-petal ‘cloverleaf’ antenna for 435MHz | 27 |
| A QRO filter for 70cms | 28 |
| JOTA 2024 - from Gilwell Park GB2GP | 28 |
| Turning Back the Pages | 29 |
| CAT25 - Save the date! | 31 |
Issue 285 Autumn 2024
| Article | Page |
|---|---|
| Jamboree on the Air - 2024 | 6 |
| Adding a RTC (real time clock) to a Portsdown 4 | 7 |
| BATC at the Telford Rally | 8 |
| Conversion of old pallet amplifier to 13cm | 9 |
| A look back at BATC history and the work of Mike Cox | 10 |
| PicoTuneWH - Ethernet software for the BATC PicoTuner | 11 |
| Muntjac - a Pluto alternative for QO-100 DATV | 12 |
| The Portsdown Newsletter | 16 |
| My DATV transmitter | 17 |
| Mr Whippy moves on… | 19 |
| CAT 24 – a report of Part one | 20 |
| Presentation of awards at CAT 24 | 23 |
| Antenna element holders made by a 3D printer | 24 |
| Adalm Pluto PTT Control | 26 |
| YASS – Yet another signal source | 27 |
| Turning Back the Pages | 28 |
| CAT24 Part II | 31 |
Issue 284 Summer 2024
| Article | Page |
|---|---|
| Agenda for the BATC general meeting | 5 |
| The Portsdown Newsletter | 6 |
| CQ-TV back issues | 7 |
| ATEM Update v9.5 | 9 |
| The LimeNET Micro 2.0 developer edition | 10 |
| A brief adventure with /MM DATV | 11 |
| The BATC gets shipshape to help celebrate RNLI 200 | 12 |
| Portsdown 5: under development | 14 |
| What force to tighten a SMA connector? | 15 |
| Fitting my PA in a case with a fan | 16 |
| QO100 from VO1 Newfoundland | 17 |
| A method for remote off-air status monitoring for DATV repeaters | 20 |
| Mr Whippy serves up another seven-band Sundae | 23 |
| My Portable Set-up – Dave, G8GKQ | 25 |
| Modification of Nokia type PA | 27 |
| Out and about for a contest… | 28 |
| Turning Back the Pages | 29 |
Issue 283 Spring 2024
| Article | Page |
|---|---|
| HamTV update | 6 |
| The BATC general meeting 2024 | 7 |
| Financial report | 8 |
| Introducing the PicoTuner | 10 |
| A new PCB for the PicoTuner | 11 |
| BATC shop EU warehouse | 12 |
| Surface mount Pico adaptor for the MiniTiouner V2 PCB | 12 |
| Going digital with two triple Ryde receivers | 13 |
| Cheap video cameras with poor colour reproduction | 16 |
| The Portsdown Newsletter | 17 |
| Impact of Amp Over-drive on DATV? | 19 |
| Portable DATV at GX3WIM/P | 20 |
| Poor man’s bandviewer | 21 |
| The Portsdown noise meter | 22 |
| Modifications to the Polycom VTC Table Microphone | 24 |
| 32dB RF attenuator – an alternative solution | 26 |
| A quick transition for 3.4GHz, or ‘microwaves in a mustard (O.K, coffee) tin’ | 27 |
| Turning Back the Pages | 29 |
Issue 282 Winter 2023
| Article | Page |
|---|---|
| Out and about in 2023 with the BATC | 6 |
| CAT 24 - Initial plans | 8 |
| David Mann - G8ADM, President of the BATC | 9 |
| The future of the 23cms band – December 2023 | 10 |
| The Portsdown Newsletter | 11 |
| New SSTV relay in Chatteris, Cambs | 12 |
| Serit FTS-4334 NIM / tuner - good news at last | 13 |
| Switched attenuator for QO-100 transmission | 14 |
| Evaluation of the quality of transmitted and received analogue video signals | 15 |
| Mid-Cornwall beacon and repeater group goes green | 19 |
| BATC represented at “The Day of The Radio Amateur” in the Netherlands | 20 |
| A multiband multimode transceiver | 22 |
| Amateur television at the Spennymoor radio rally | 25 |
| Raspberry Pi 5 - First impressions | 26 |
| Jamboree on the Air 2023 - a tale of two stations | 27 |
| Using an external clock with the Pluto Rev C/D | 30 |
| A quick transition for 3.4GHz, or ‘microwaves in a mustard (O.K, coffee) tin’ | 31 |
| Turning Back the Pages | 32 |
Issue 281 Autumn 2023
| Article | Page |
|---|---|
| IC-905 - Icom’s microwave and ATV transceiver | 8 |
| You can never have enough computer monitors | 11 |
| An alternative method of generating FM TV at 5.6GHz | 12 |
| A New Hybrid Television Transmission Systems | 14 |
| Out and About… | 19 |
| Small Dishes | 20 |
| How to point an antenna if you are out portable? | 21 |
| CAT 23 – a grand day out | 22 |
| News from Japan 358 km, 5.7GHz, DATV Success | 24 |
| Modbus controlling of PAs with Arduino boards | 25 |
| IARU Region 1 ATV contest 2023 results | 29 |
| The Charon, a HF up-converter for the Adalm Pluto | 31 |
| Turning Back the Pages | 32 |