Using an RTL-SDR Blog V3 in Direct Sampling Mode to Receive HF DRM on an Android Phone

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Using an RTL-SDR Blog V3 in Direct Sampling Mode to Receive HF DRM on an Android Phone

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Over on the SWLing blog contributor Dan Van Hoy wrote in and shared a report on how he's successfully been able to receive HF DRM 30 digital audio with an RTL-SDR Blog V3 dongle running in direct sampling mode on an Android phone. To do this he used an Android app called "DRM+SDR Receiver" which is available for US$4.99 on the Play store. The app supports RTL-SDR and HackRF devices. So all you need to do is set the RTL-SDR Android driver to run in Q-branch direct sampling mode, then tune to a DRM signal for it to begin decoding. A demonstration video uploaded to his Google drive account shows clean decoding of the DRM AAC audio, as well as the app displaying Journaline and live metadata. He notes that his signal was very strong, so he only required a short wire, but DXers would need an appropriate antenna. ImageDRM Received on an Android phone with an RTL-SDR Blog V3 running in direct sampling mode.

Source: https://www.rtl-sdr.com/using-an-rtl-sd ... oid-phone/
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