Decoding End Of Train and Head Of Train Packets with an RTL-SDR
Back in March 2014 we showed a video of a RTL-SDR user decoding End Of Train (EOT) and Head of Train (HOT) signals. Head of Train (HOT) and End of Train (EOT) signals are used on trains to transmit...
View ArticleThe Best RTL-SDR Posts of 2015
Things are developing fast in the software defined radio and RTL-SDR world. This year we’ve seen some amazing projects and developments occur. Here’s our highlight reel. January In January we first...
View ArticleComparing a GPS Patch vs a DIY Patch Antenna on L-Band with the MIX4ALL
Over on YouTube user Adam Alicajic has recently been uploading videos that show him testing a prototype of his upcoming product the MIX4ALL. The MIX4ALL is an RF downconverter which will allow the...
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Combining the bandwidth of two RTL-SDR dongles in GNU Radio
The maximum usable and stable bandwidth of an RTL-SDR is about 2.4 MHz. In order to get larger bandwidths it is possible to combine two or more dongles, although doing so comes with a big limitation –...
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Combining the bandwidth of multiple RTL-SDRs: Now working in GQRX!
A few days ago we posted how Oliver, an RTL-SDR experimenter, managed to (incoherently) combine the bandwidths of two RTL-SDR dongles to create a 4.4 MHz FFT display in GNU Radio. Now Oliver has taken...
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PiTX QRP TX Shield for WSPR on 20M Now For Sale
Back in October 2015 we posted about a piece of software for the Raspberry Pi called PiTX. PiTX allows you to turn your Raspberry Pi into a fully functional RF transmitter. When combined with an...
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Building a NEST Thermostat with Arduino and an RTL-SDR
The Nest thermostat is a smart thermostat that learns your schedule and automatically adjusts the heat in your house for optimal energy savings. Tristan didn’t want to buy a Nest, but wanted to...
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JAERO Updated: Now supports 10.5k Aero-H and Aero-H+
The JAERO decoder for AERO signals on Inmarsat satellites has recently been updated to version 1.03. This new version supports the decoding of 10.5k Aero-H and Aero-H+ signals. The author of JAERO...
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New RTL-SDR Dongles with Metal Case Available in our Store
Currently we at RTL-SDR.com are selling upgraded RTL-SDR dongles on our store. We’ve worked hard to reduce the most common issues that the cheapest generic dongles have, whilst trying to not...
View ArticleRTL-SDR.com SDR Dongle Giveaway!
We are giving away 20 of our new units with the metal case! The RTL-SDR and SDR community spans multiple disciplines and there are many wildly different projects being worked on by SDR enthusiasts as...
View ArticleReceiving AERO-H on L-Band with an RTL-SDR
Over on YouTube Adam Alicajic (9A4QV – creator of the LNA4ALL and upcoming MIX4ALL) has uploaded a video showing his reception of AERO-H signals from an Inmarsat satellite. A few days ago we posted...
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SDRDX Now supports the RTL-SDR on OSX
SdrDx is a free software defined radio application that was originally written to support SDRs built by RF Space. However these days it appears to support multiple other SDRs including the Funcube,...
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Nooelec + AmateurRadio.com RTL-SDR Competition now Running
Hot on the tails of our own competition which has now closed, Nooelec and AmateurRadio.com have teamed up to create a giveaway for a HackRF One and 40 RTL-SDR dongles (some even bundled with...
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AISRec: Windows and Android AIS Decoder
Back in 2015 we posted about the free trial version of AISRec a few times, but we never really saw a full completed version get released. So far this year the full version is still not released, but...
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Collecting private flight data on the World Economic Forum Atendees with an...
Every year politicians and business men meet at the “World Economic Forum” in the small mountain town of Davos, Switzerland to discuss various topics and create business deals. This year Quartz, an...
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Installing GQRX on OSX El Capitan
OSX users often don’t have much choice when it comes to general purpose SDR receiver software for the RTL-SDR or other SDR’s. However, one program that works well on Macs is GQRX. Installing GQRX on...
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Testing RTL-SDR and SDRPlay receivers for AERO reception
Jonti, the programmer of the JAERO decoder for L-band AERO signals recently bought and received one of our new RTL-SDR Blog dongles and also an SDRplay unit for testing L-band reception. Previously he...
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Decoding the LoRa IoT Protocol with an RTL-SDR
The internet of things is set to become the next big thing in technology. The IoT consists of multiple networked devices such as sensors and computers connected in various ways such as via wireless...
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Radio Astronomy with an RTL-SDR, Raspberry PI and Amazon AWS IoT
Recently amateur radio astronomer Mario Cannistrà wrote in and showed us a link to his project. Mario has been doing some interesting experiments with an RTL-SDR that involve receiving emissions...
View ArticleDecoding DMR on OSX using a RTL SDR and DSD Plus
DSD+ (Digital Speech Decoder+) is a popular Windows tool that can be used together with an RTL-SDR to decode digital speech signals such as P25 and DMR. There is unfortunately no version for OSX....
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