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Satellite TV receivers & systems support forums
Analogue systems
Hacktv: analogue tv transmitter
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<blockquote data-quote="Captain Jack" data-source="post: 1140793" data-attributes="member: 243342"><p>Now this is interesting. A while back [USER=410643]@fsphil[/USER] discovered that HackRF leaked some RF from within itself at <strong>double the frequency and deviation</strong>. What this means is that transmitting at 5.5GHz @ 8MHz deviation via HackTV, HackRF will leak the same transmission at 11GHz @ 16MHz deviation. Which means that we need to use an LNB and literally point it at HackRF (or a dish depending on how far they are from each other).</p><p></p><p>Here's reception on the Echostar LT8700 with a Sky LNB... The picture quality is excellent. Goes to show how good analogue can be and not a block in sight.</p><p></p><p>Here's one that [USER=410643]@fsphil[/USER] did </p><p></p><p>[MEDIA=youtube]tixxKmEAjws[/MEDIA]</p></blockquote><p></p>
[QUOTE="Captain Jack, post: 1140793, member: 243342"] Now this is interesting. A while back [USER=410643]@fsphil[/USER] discovered that HackRF leaked some RF from within itself at [B]double the frequency and deviation[/B]. What this means is that transmitting at 5.5GHz @ 8MHz deviation via HackTV, HackRF will leak the same transmission at 11GHz @ 16MHz deviation. Which means that we need to use an LNB and literally point it at HackRF (or a dish depending on how far they are from each other). Here's reception on the Echostar LT8700 with a Sky LNB... The picture quality is excellent. Goes to show how good analogue can be and not a block in sight. Here's one that [USER=410643]@fsphil[/USER] did [MEDIA=youtube]tixxKmEAjws[/MEDIA] [/QUOTE]
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Hacktv: analogue tv transmitter
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