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<blockquote data-quote="rolfw" data-source="post: 797570" data-attributes="member: 175057"><p>Not probably illegal, definitely illegal.;)</p><p></p><p>Even when all analogue channels across the country are finally removed, home broadcasting would still have the possibility of interfering with legitimate broadcasts and daisy chaining amplifiers would simply add noise to the signal and increase the chance of interfering, a commercial standard broadcast amplifier would need to be used.</p><p></p><p>Unlike local pirate FM radio broadcasts, which take advantage of omnidirectional receiving antennae, the majority of TV antennae on properties are directional, so you'd need to be pumping it out at relatively high power for those antennae which are not pointing at your transmitter and you'd run the risk of overloading masthead amplifiers and distribution amplifiers in close proximity, plus analogue signals would be horribly ghosted. The TV pirate would need to use a COFDM digital modulator and broadcast as a single channel digital multiplex to be effective. (_http://www.satelliteandaerialsupplies.com/product/?s=fracarro-280006-mod-cofdm-analogue-to-digital-dtt-modulator-dvb-t) These are used for apartment block TV systems normally to distribute the picture from CCTV entrance cameras as a digital channel. </p><p></p><p>The authorities tend to jump on local pirate radio fairly quickly, I'm pretty sure they'd be even quicker with illicit TV signals, particularly as redundant spectrum is to be reallocated for other uses. Certainly not something I would advise contemplating, as all kit would be confiscated pretty quickly.</p></blockquote><p></p>
[QUOTE="rolfw, post: 797570, member: 175057"] Not probably illegal, definitely illegal.;) Even when all analogue channels across the country are finally removed, home broadcasting would still have the possibility of interfering with legitimate broadcasts and daisy chaining amplifiers would simply add noise to the signal and increase the chance of interfering, a commercial standard broadcast amplifier would need to be used. Unlike local pirate FM radio broadcasts, which take advantage of omnidirectional receiving antennae, the majority of TV antennae on properties are directional, so you'd need to be pumping it out at relatively high power for those antennae which are not pointing at your transmitter and you'd run the risk of overloading masthead amplifiers and distribution amplifiers in close proximity, plus analogue signals would be horribly ghosted. The TV pirate would need to use a COFDM digital modulator and broadcast as a single channel digital multiplex to be effective. (_http://www.satelliteandaerialsupplies.com/product/?s=fracarro-280006-mod-cofdm-analogue-to-digital-dtt-modulator-dvb-t) These are used for apartment block TV systems normally to distribute the picture from CCTV entrance cameras as a digital channel. The authorities tend to jump on local pirate radio fairly quickly, I'm pretty sure they'd be even quicker with illicit TV signals, particularly as redundant spectrum is to be reallocated for other uses. Certainly not something I would advise contemplating, as all kit would be confiscated pretty quickly. [/QUOTE]
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