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Tech Head - The Technology Section
SDR radio, Software Defined Radio
Modulating DAB+ from Satellite with HackRF One
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<blockquote data-quote="Adam792" data-source="post: 1090182" data-attributes="member: 330868"><p>Got it doing DVB-T this lunchtime too, still via the Pi4. I think the Pi is a little underpowered for that as it skips and glitches after a little while, but I managed to get it to broadcast the RGE1 Catalonia multiplex (RTVE) piped in from TDTSAT on 30W onto UHF channel 21.</p><p></p><p>Using GNURadio with this - <a href="https://github.com/neo7530/dvb-broadcast" target="_blank">neo7530/dvb-broadcast</a></p><p></p><p>The TDTSAT ones are the simplest to do because the null packets aren't stripped from the 19.9Mbps stream after decoding, so it doesn't need re-padding for DVB-T modulation (for French/Italian multistream, the null packets get stripped by my satellite card). You just set the configuration to the Spanish DTT parameters (64QAM, 8k, GI: 1/4, FEC: 2/3)</p></blockquote><p></p>
[QUOTE="Adam792, post: 1090182, member: 330868"] Got it doing DVB-T this lunchtime too, still via the Pi4. I think the Pi is a little underpowered for that as it skips and glitches after a little while, but I managed to get it to broadcast the RGE1 Catalonia multiplex (RTVE) piped in from TDTSAT on 30W onto UHF channel 21. Using GNURadio with this - [URL='https://github.com/neo7530/dvb-broadcast']neo7530/dvb-broadcast[/URL] The TDTSAT ones are the simplest to do because the null packets aren't stripped from the 19.9Mbps stream after decoding, so it doesn't need re-padding for DVB-T modulation (for French/Italian multistream, the null packets get stripped by my satellite card). You just set the configuration to the Spanish DTT parameters (64QAM, 8k, GI: 1/4, FEC: 2/3) [/QUOTE]
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SDR radio, Software Defined Radio
Modulating DAB+ from Satellite with HackRF One
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