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New Nano 3 RTL-SDR Available from NooElec
NooElec have just released their new NESDR Nano 3 RTL-SDR dongle for $27.95 USD. This is a new iteration in their line of ‘nano’ sized dongles, which are very small and suitable for use on small...
View ArticleInstalling OpenWRT and RTL-SDR on a Used $20 Router
Over on his YouTube channel GusGorman402 has uploaded a video tutorial showing how to take an old internet router and install OpenWRT and the RTL-SDR drivers on it. OpenWRT is a third party Linux based...
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DailyMail Article about the YARD Stick One
Back in May of this year the DailyMail ran an article discussing how the HackRF by Great Scott Gadgets could be used to break into cars. The DailyMail is a British tabloid magazine well known for its...
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Tutorial: Replay Attacks with an RTL-SDR, Raspberry Pi and RPiTX
With an RTL-SDR dongle, Raspberry Pi, piece of wire and literally no other hardware it is possible to perform replay attacks on simple digital signals like those used in 433 MHz ISM band devices. This...
View ArticleCyberSpectrum Melbourne: Building a Cheap FSQ Transceiver with Arduino,...
FSQ (Fast Simple QSO) is a relatively new ham band mode for making text QSO’s (contact or exchange of information with another ham) over HF frequencies. It is a low data rate mode similar to PSK31 but...
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Outernet: Patch antenna now sold seperately + other products
Back in June we tested Outernet’s new Dreamcatcher which is an ARM based computing board with RTL-SDR and L-band LNA built in. The $99 USD kit also included an external active L-band patch antenna. The...
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HamRadio360 Podcast: ADS-B Aircraft Tracking with an RTL-SDR
HamRadio360 is a bi-weekly podcast all about ham radio and related topics. On their June 13 podcast Nick, KK6LHR came on to discuss his experiences with decoding ADS-B with cheap SDR radio like the...
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Demodulating the Outernet signal with leandvb and an RTL-SDR
Leandvb is command line based lightweight DVB-S decoder designed for receiving Digital Amateur TV, including signals like HamTV from the International Space Station. The RTL-SDR can be used together...
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Using an RTL-SDR as a Simple IMSI Catcher
Over on YouTube user Keld Norman has uploaded a video showing how he uses an RTL-SDR with gr-gsm and a Python script to create a simple IMSI catcher. IMSI stands for International mobile subscriber...
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Building a Hydrogen Line Front End on a Budget with RTL-SDR and 2x LNA4ALL
Adam 9A4QV is the manufacturer of the LNA4ALL, a high quality low noise amplifier popular with RTL-SDR users. He also sells filters, one of which is useful for hydrogen line detection. Recently he’s...
View ArticleComparing a FM Coax Notch Filter vs Lumped Elements FM Bandstop Filter
Over on his YouTube channel Adam 9A4QV has uploaded a video that compares a coax notch filter and lumped elements filter band stop for the FM band. Bandstop filters are useful as they can be used to...
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Potentially Receiving up to 10 GHz with an RTL-SDR and Multiple SUP-24000...
Back in 2016 KD0CQ discovered that a $5 DirectTV device with model name SUP-2400 could be used as a downconverter with an RTL-SDR for receiving frequencies of up to 4.5 GHz. A downconverter is a device...
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SDRTrunk Setup and Use Tutorial
Over on his blog John Hagensieker has uploaded a tutorial that shows how to set up SDRTrunk with RTL-SDR dongles. SDRTrunk is an application that allows you to follow trunked radio conversations, and...
View ArticleConfiguring OpenWRT and RTL_TCP for WiFi Streaming
In his last video YouTube user GusGorman402 showed us how to install OpenWRT and the RTL-SDR drivers on a cheap used $20 router. The idea is that the router with custom third party Linux firmware can...
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 ArticleA Homebrew One Transistor Upconverter for the RTL-SDR
Recently Qrp Gaijin wrote in to us and wanted to share his experiences on building a one transistor diode-ring mixer upconverter for his RTL-SDR. An upconverter for the RTL-SDR translates low HF...
View ArticleZ33T’s Review of the ColibriNANO: $350 USD 10 kHz – 55 MHz SDR Dongle
Over on YouTube Mile Kokotov (Z33T) has uploaded his review of the ColibriNANO, which is a $350 USD 10 kHz – 55 MHz direct sampling SDR dongle built by Russian company Expert Electronics. It features a...
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...
View ArticleShowing what Solar Power Inverter Interference Looks Like
Over on YouTube user ALI6359 has uploaded a video showing what severe interference from a neighbors poor quality solar power inverter looks like on his RTL-SDR dongle. An inverter converts the DC power...
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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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