Thank you to José Carlos Rueda for submitting his simple shell script that he uses for fingerprinting spurious RF emissions with an RTL-SDR, rtl_power, heatmap.py and imagemagick. The result is something …
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Over on his YouTube channel icholakov has uploaded a video comparing the USB power consumption of various software defined radios. In his tests he uses an inline USB current meter and …
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Recently we came across Electrosense which is an interesting open source project that aims to deploy radio spectrum sensors worldwide in order to analyze and understand radio spectrum usage. This …
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Over on Reddit we’ve seen a post by u/ArtichokeHeartAttack who has been working on a hydrogen line radio telescope, based on an RTL-SDR dongle and horn antenna designs by the DSPIRA program, and …
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Leif (SM5BSZ) is fairly well known in the SDR community for doing very indepth technical tests of various SDR receivers over on his YouTube channel. Recently he’s released part two …
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Over the last several months we’ve been working on a versatile active L-band patch antenna that can cover Inmarsat to Iridium satellite frequencies. That antenna is now almost ready, and …
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Over on Hackaday we’ve seen a post about Scott M. Baker’s 3D printer filament drying farm that is monitored by a 433 MHz ISM band sensor and an RTL-SDR running rtl_433. …
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Canadian based researchers from the “Open Privacy Research Society” recently rang the alarm on Vancouver based hospitals who have been broadcasting patient data in the clear over wireless pagers for …
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Over on YouTube user JellyImages has uploaded a video demonstrating his Windows based ARESrcvr software. ARES is a railway control communications protocol used by some trains in the USA. His code connects …
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Back in August 2019 the Chaos Communication Camp was held in Germany. This is a 5 day conference that covers a variety of hacker topics, sometimes including SDR. At the conference …
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