television

television

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• Log Periodic Antenna for ATV - Log periodic Antenna for 23, 13 and 9 cm bands. The LPA was built according to a design by DC8CE and is used for amateur radio television
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• LISATS - The Launch Information Service and Amateur Television System, a club of Amateur Radio Operators Serving the Kennedy Space Center Community and Visitors
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• Beginners Guide to Amateur Television - This article is intended as a basic guide for getting started in ATV, it is also worth having a chat with one of the growing numbers of ATV enthusiasts within MKARS.
  [ Hits: 220 | Votes: 0 | Rating: 0 ]

• Introduction to NBTV - Live webcam images, still pictures and movie clips over an HF SSB channel. NBTV (Narrow Band Television) is a technique with some similarity to SSTV, and some to conventional FSTV
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• Harlan Technologies - Producers of custom name tags, luggage tags, club badges, Employee Name Tags, Special Event Badges, but also Comtech Amateur Radio Television Transmitters and Receivers D480 filters, Video cameras and accessories.
  [ Hits: 368 | Votes: 0 | Rating: 0 ]

• OFDM TV - NBTV (Narrow Band Television) is a technique with some similarity to SSTV, and some to conventional FSTV (Fast Scan TV). Like SSTV, it operates in a narrow bandwidth, suited to an HF SSB transceiver, but rather than send individual image frames, NBTV is designed to send multiple frames one after the othe.
  [ Hits: 696 | Votes: 1 | Rating: 10 ]

• ATV Handbook - A 20 page PDF Handbook about Amateur Television by G3YQC and G8CJS published by The British Amateur Television Club
  [ Hits: 469 | Votes: 1 | Rating: 1 ]

• A cool KW linear amplifier for 50 MHz - Larcan LoLo 1KW 6m Amplifier, is a cool power amplifier for 50 MHz thanks to the digital television revolution.
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• The Ufer Ground - Ufer techniques are used in building footers, concrete floors, radio and television towers, tower guy wire anchors, light poles, etc.
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• Grounding HF Transceiver using Coax Cable - Improper grounding or earthing system can cause several unwanted RF interferences (RFI) to television sets, broadcast receivers, hi-fi sets and telephone sets. In this Article the author explain how to setup a proper radio shack grounding using coaxial cable and ceramic disc capacitor
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• RF Safety in Tower Climbing - The risks for exposure to significant levels of RF radiation is high for tower climebers, the RF field levels near FM radio and television antennas are extremely high.
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• Ham Radio TVI in the 21st Century - Ham radio transmissions can interfere with television reception. This is called television interference, or ham radio TVI. Consumer adoption of cable television has significantly reduced ham radio TVI. But the introduction of IPTV, or television over phone systems, has brought ham radio TVI back, often with a vengeance. Here's why
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• Slow Scan TeleVision with Raspberry Pi - Portable SSTV camera that takes a picture and transmit it with ham radio SSTV
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• Television Notch Filters - Intersting article about TV interference, with several examples of TVI Filters, to reduce the passage of any RF above the 30 MHz including commercial Low Pass Filters, home made notch filters or coaxial filters.
  [ Hits: 454 | Votes: 2 | Rating: 3 ]
• A Code of Practice for Radio and Television Interference - This is a guide for radio amateurs whose operations come to the attention of neighbours through disturbance to reception of sound broadcast and television transmissions
  [ Hits: 189 | Votes: 0 | Rating: 0 ]

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