#gnuradio — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #gnuradio, aggregated by home.social.
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Heute in einer Woche, am 9. Juli 2026, bei Supercomputing Systems AG im Technopark Zürich findet das Embedded Software Meetup «Software Defined Radio: Intro, Fun, Testing and Profit» statt.
Würde mich freuen, viele neue und alte Leute zu sehen, die Vorträge zu geniessen und zusammen anzustossen!
Anmeldungen hier bitte: https://www.meetup.com/embedded-software/events/315184249/
#EmbeddedSoftware #Meetup #Zürich #TechnoPark #SuperComputingSystems #SCS #opensource #gnuradio #Testing
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Contributed my first patches to the amazing vrt-iq-tools:
https://github.com/tftelkamp/vrt-iq-tools
With these you can stream IQ sampling data from SDRs over the network, supporting many interesting use cases. Including multiple concurrent users, integration with GNURadio, conversion to a Soapy device and even things like a correlator.
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I had the curiosity to do some tests transmitting and receiving DMR DMO with an unmodified #plutosdr
Normally DMR in repeater mode requires establishing a time base from the BS transmission in order to fit into one of the timeslots.
However, in DMO mode, there is no such requirement. When starting a DMO transmission, every terminal establishes its own time base, and the receiving radio must synchronize to it.
So DMR in DMO mode can work fine with the Pluto.
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A few pics with the signals right at the output of my ADALM-Pluto in the 2390 MHz band, before amplification. In order or appearance: 4FSK, DQPSK, GMSK. I don't normally use the GMSK modem due to it's slightly lower performance, it's just there to spite my D-Star-using friends. Audio payloads are Codec2 and Opus.
The amplification chain has two stages: first to ~16 dBm, second one to ~36 dBm.
@n8dmt
