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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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QuestaSDR (Formerly UnoSDR) Updated: Now Supports Airspy and many new Features
Back in March Vi Vitaliy wrote in to let us know about an RTL-SDR compatible SDR program called UnoSDR that he had been working on. Vi now writes that the software has been updated, and the name has...
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Interest Check: KD0CQ Pre-Modified SUP-2400 Downconverters
Over on his blog KD0CQ has posted an interest check. He’d like to know if anyone would be interested in purchasing pre-modified SUP-2400 downconverters from him. We’ve posted about the SUP-2400 a few...
View ArticleSome LimeSDR Demonstration Videos
Recently Michael DG0OPK wrote in and wanted to share some videos of the LimeSDR in action that he’s uploaded to YouTube. The first video shows LimeSDR running with the SDRangel software and receiving...
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Fixing USB Reset Problems for 24/7 rtl_433 Monitoring
Rtl_433 is an RTL-SDR compatible command line based tool for monitoring various 433 MHz ISM band devices, such as temperature sensors, weather monitors, TPMS, energy meters etc. A full list of support...
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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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