Clik here to view.
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 ArticleClik here to view.
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...
View ArticleClik here to view.
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 ArticleClik here to view.
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.
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...
View ArticleClik here to view.
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 ArticleClik here to view.
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...
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.
Modded SUP-2400 Downconverters now Available at RXTXDX.com for $25
Last week we posted about KD0CQ’s interest check on his ready to go modded SUP-2400 downconverter. Interest was strong so the unit is now available for sale on a store he’s just set up at RXTXDX.com....
View ArticleClik here to view.
Running the PiAware ADS-B Decoder on a $9 C.H.I.P Computer
Over on his blog Adam Melton has created a post that fully details how to install FlightAware’s PiAware ADS-B feeder software on a $9 C.H.I.P single board PC. The C.H.I.P is a very small board with...
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 ArticleSDR Academy Talks: RPiTX TX for the Masses, Transmitter Localization with...
Over on YouTube the Software Defined Radio Academy channel has uploaded some new interesting SDR related conference talks, some of which may be of interest to readers. Some of our favorites are posted...
View ArticleClik here to view.
Using the GRAVES Radar to Listen to Reflections from Meteors, Planes and...
Over on his blog DK8OK has created a post that explains how European SDR users can use their devices to monitor reflections coming off the Graves space radar. Graves is a space surveillance radar based...
View ArticleClik here to view.
RTL-SDR V3 Amazon Back in Stock + A Preview of our Upcoming Multipurpose...
The RTL-SDR Blog V3 is back in stock in Amazon USA (Dongle + Antenna) (Dongle Only). International buyers can continue to purchase units from our store at www.rtl-sdr.com/store. Apologies for the long...
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 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 Article