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Receiving Outernet with a Grid Antenna and LeanDVB
Recently Luigi Freitas wrote in to us and wanted to share his fairly unique Outernet setup which is based on a Grid dish antenna, low cost SPF-5189 LNA, C.H.I.P mini single board computer generic...
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Viewing Lightning RF Bursts with an RTL-SDR
Lightning produces fairly wideband bursts of RF energy, especially down in the VLF to HF frequencies. Detecting these bursts with custom radio hardware is how lightning detection websites such as...
View ArticleListening to Astronauts on the ISS with an RTL-SDR and V-Dipole (ARISS...
Manuel a.k.a ‘Tysonpower’ has been using his RTL-SDR (and his Baofeng) to listen in on ARISS contacts from the International Space Station (ISS). ARISS stands for Amateur Radio on the ISS, and is a...
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Receiving the Bitcoin Blockchain from Satellites with an RTL-SDR
Bitcoin is the worlds first and most popular digital currency. It is steadily gaining in value and popularity and is already accepted in many online stores as a payment method. In order to use Bitcoin...
View ArticleSalamandra: Detecting and Locating Spy Microphones with an RTL-SDR
Over on GitHub user eldraco has uploaded an RTL-SDR compatible python script for detecting and locating eavesdropping spy microphones (bugs) within a closed environment. The Python script can be run...
View ArticleReceiving SSTV Images from the ISS with a V-Dipole and RTL-SDR
During July 20 – 24, 2017 the ISS (International Space Station) was transmitting SSTV (Slow Scan Television) images down to earth in celebration of the ARISS (Amateur Radio on the ISS) 20th...
View ArticleListening to July’s Arecibo Observatory Ionospheric Heating Campaign
During July 24-31 the large Arecibo Radio Observatory in Puerto Rico (the big dish antenna that you may be familiar with from the movie ‘Contact’) ran an Ionospheric heating experiment which involves...
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Receiving Outernet with a Grid Antenna and LeanDVB
Recently Luigi Freitas wrote in to us and wanted to share his fairly unique Outernet setup which is based on a Grid dish antenna, low cost SPF-5189 LNA, C.H.I.P mini single board computer generic...
View ArticleClik here to view.
Viewing Lightning RF Bursts with an RTL-SDR
Lightning produces fairly wideband bursts of RF energy, especially down in the VLF to HF frequencies. Detecting these bursts with custom radio hardware is how lightning detection websites such as...
View ArticleListening to Astronauts on the ISS with an RTL-SDR and V-Dipole (ARISS...
Manuel a.k.a ‘Tysonpower’ has been using his RTL-SDR (and his Baofeng) to listen in on ARISS contacts from the International Space Station (ISS). ARISS stands for Amateur Radio on the ISS, and is a...
View ArticleClik here to view.
Receiving the Bitcoin Blockchain from Satellites with an RTL-SDR
Bitcoin is the worlds first and most popular digital currency. It is steadily gaining in value and popularity and is already accepted in many online stores as a payment method. In order to use Bitcoin...
View ArticleSalamandra: Detecting and Locating Spy Microphones with an RTL-SDR
Over on GitHub user eldraco has uploaded an RTL-SDR compatible python script for detecting and locating eavesdropping spy microphones (bugs) within a closed environment. The Python script can be run...
View ArticlePoor Mans Spectrum Analyzer with an RTL-SDR and Noise Source
Over on YouTube channel Bootstrap Workbench has been running a series on using an RTL-SDR and noise source to create a poor man’s spectrum analyzer. So far he has three videos available. The first...
View ArticleDecoding the ALERT Protocol from a USGS Streamgage with an RTL-SDR
Over on his YouTube channel GusGorman402 has uploaded a video that shows how he was able to capture and decode data from a USGS (United States Geological Service) streamgage. A streamgage is a sensor...
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deinvert: A Voice Inversion Descrambler
Voice inversion scrambling is a simple and old security method used on analog radios to try and obscure conversations from being listened in on by people with scanners. It works simply by by moving the...
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Outernet SDRx Clearance Sale $15: RTL-SDR with built in L-band LNA and Filter
Recently the Outernet project transitioned from using RTL-SDR dongles and C.H.I.P single board computers to using their Dreamcatcher board, which is an RTL-SDR and computing board all in one. In...
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Salamandra: A modern study of microphone bugs operation and detection with an...
A couple of weeks ago we posted about Salamandra, an RTL-SDR compatible piece of software which can be used to help detect and locate microphone bugs that are used for spying. Recently we discovered...
View ArticleSDR on an Android Wristwatch with Airspy HF+ and SpyServer
Over on Twitter @lambdaprog and @mm6dos, developers of SDR# and Airspy SDR products have tweeted videos showing off an Android watch being used as an SDR interface. They use a prototype of their...
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A Solar Powered Raspberry Pi + RTL-SDR NOAA Weather Satellite Receiver
Over on YouTube user Fuzz has uploaded a video showing his solar powered NOAA weather satellite receiver. The system is based on a Raspberry Pi connected to an RTL-SDR.com dongle. The front-end input...
View ArticleDecoding Amateur Radio Digital Voice with an RTL-SDR and the QRadioLink...
Thank you to Adrian for submitting his video about using the Android App called QRadioLink and an RTL-SDR to decode digital amateur radio voice transmissions. Adrian writes that in the video the...
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