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Updates to Shielding the RTL-SDR with an Aluminium Case
A few weeks ago we posted about will1384 who had bought an aluminium case from Ebay and was using it to shield his RTL-SDR. After running multiple tests, will1384 discovered that the aluminium case was...
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RTL-SDR Tutorial: Listening to TETRA Radio Channels
TETRA is a trunked radio communications system that stands for “Terrestrial Trunked Radio”. It is used heavily in many parts of the world, except for the USA. Recently, a software program called Tetra...
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Comparisons between the R820T and R820T2 RTL-SDR Tuners
Over on the hamradioscience blog the author has uploaded a post showing a comparison between the R820T and the R820T2 tuners. Recently Nooelec began selling RTL-SDR dongles with the R820T2 tuner chip...
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Recording Video of Passing Aircraft with A Raspberry Pi and RTL-SDR
Electronics experimenter Simon Aubury has recently made a write up on his blog about a project he has been working on. His project is the use of a Raspberry Pi with servo mounted video camera and...
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New R820T Driver with LNA/Mixer/VGA Gain Settings
A few weeks ago we posted about an unreleased modified RTL-SDR driver for SDR# by mm6dos which had controls for the three separate gain stages available in the R820T and some extra controls for...
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Updates to a Month of RTL-SDR by Keenerd
Back in August of this year RTL-SDR code contributer Keenerd aka Kyle Keen ran an Indiegogo campaign to raise funds to pay for him to work on upgrading RTL-SDR related code for one month. As Kyle only...
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Using the RTL-SDR in the Pothos Dataflow Processing Platform
Pothos is a dataflow processing platform that can be used for signal processing through a graphical GUI that works in a similar way to GNU Radio. Over on YouTube the developers have released a tutorial...
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New Windows AIS Decoder For the RTL-SDR: AISRec
Over on YouTube user Jane feverlay has uploaded a video showing a new AIS decoder called AISRec for Windows that he has developed. AIS is an acronym for Automatic Identification System and is a system...
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Monitoring House Power Usage using an RTL-SDR
Home automation enthusiast Bruce Winter has recently posted on his blog about how he uses the RTL-SDR as part of his home automation system to automatically monitor his power (and solar power...
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Characterizing RF Filters with a Noise Source and RTL-SDR Dongle
Over on YouTube RTL-SDR experimenter Adam Alicajic has uploaded a video showing how it is possible to use the RTL-SDR as a tool to measure the frequency response of an RF filter. To do this he uses a...
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Characterizing the SWR of an Antenna with a Noise Source and an RTL-SDR
In our last post Adam Alicajic showed us on YouTube how to determine the frequency response of an RF filter using just a wideband noise source an LNA and an RTL-SDR dongle. In his latest video Adam...
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Listening to FreeDV Digital Speech with an RTL-SDR
Over on YouTube user BSoD Badgers has uploaded a video showing his reception of FreeDV digital speech at 14 MHz. He uses SDR# combined with the FreeDV software to decode the signal. FreeDV is a open...
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Receiving WSPR with the RTL-SDR
Recently RTL-SDR.com reader DE8MSH wrote in to let us know about his experiments with receiving WSPR with his RTL-SDR. WSPR is an acronym for “weak signal propagation reporter” and is a software...
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Amateurradio.com RTL-SDR Giveaway
The guys at the AmateurRadio.com blog have teamed up with Nooelec to bring everyone a worldwide competition giveaway of 20 RTL-SDR prizes. The top prizes include the rare E4000 chip tuners, ham-it-up...
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New RTL-SDR + Upconverter Available
BA5SBA, the creator of the Chinese direct sampling kit (and fully assembled version) recently wrote in to let us know about a product that he is now building. His new product is a fully assembled...
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New Products from Nooelec: Cheaper E4000 Dongles and a 9:1 Balun
The online store Nooelec has recently started selling two new RTL-SDR related products. The first product is a lower cost RTL-SDR dongle with the E4000 tuner (ebay). The E4000 tuner was one of the...
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Digital Ding Dong Ditch – Hacking wireless doorbells with Arduino and RTL-SDR
Over on YouTube user Samy Kamkar has uploaded a video showing how he was able to use an RTL-SDR to copy his friends wireless doorbell signal and prank him by replaying it using an Arduino and 433 MHz...
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New SDR# Plugin: Multiple VFO’s
Over on the rtl-sdr.ru blog the programmer of many well used SDR# plugins has released a new one which allows you to have up to two extra VFO’s in SDR# (note in Russian, use Google Translate). In order...
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Airspy Vs RTL-SDR on VLF and Broadcast FM
Over on YouTube user Mile Kokotov has uploaded two videos showing a comparison between the Airspy and RTL-SDR software defined radios. The Airspy is a high performance SDR that costs $199 USD. The...
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Testing Keenerds RTL-SDR Drivers
Keenerd (aka Kyle Keen) recently ran a fundraiser to support him to work on improving the RTL-SDR driver and related software. A few months ago he released an update to the driver which made some...
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