Clik here to view.
Finding Cheap Pre-Designed PCBs for SDR Projects
Recently RTL-SDR.com reader Neil KM4PHK wrote in to us to let us know that he’s been having a good time searching for SDR related PCB’s over on OSH Park. OSH Park is a company that allows you to upload...
View ArticleClik here to view.
Transmitting DATV with a just a Raspberry Pi
All the way back in April 2014 we first posted about how the Raspberry Pi was able to transmit FM by cleverly modulating one of it’s GPIO pins. Later in October 2015 F5OEO expanded this idea and...
View ArticleClik here to view.
RTLSDR4Everyone: ADS-B Bias-T Filter and External amplification
Akos from the RTLSDR4Everyone blog has recently come out with a new post where he explains how to get the best ADS-B reception with an LNA and filter. In his experiments he uses an LNA4ALL low noise...
View ArticleClik here to view.
A review of the Soft66RTL3 RTL-SDR + Upconverter + RF Amp Combination Circuit
Over on the SWLing Post blog contributor Mike Ladd has posted up a review of the Soft66RTL3 software defined radio. The Soft66RTL3 is a fully enclosed SDR unit that consists of a standard mini RTL-SDR...
View ArticleVideos Showing Rpidatv in action
A few days ago we posted about the release of Rpidatv, a program that allows a Rapberry Pi to transmit DATV without the need for any additional hardware. DATV stands for Digital Amateur TV, and can be...
View ArticleClik here to view.
Using an RTL-SDR to help Build Dynamic Spectrum Access Prototypes + DARPA...
Over on YouTube user Andre Puschmann has uploaded video showing his experiments with implementing dynamic spectrum access. Dynamic spectrum access is a upcoming technology that will allow the frequency...
View ArticleClik here to view.
New Book out by the Author of the RTLSDR4Everyone Blog
Akos, the author of the rtlsdr4everyone blog has recently released a new Kindle book on Amazon which sells for $5 USD. It is titled “RTL-SDR for Everyone: Second Edition 2016 Guide including Raspberry...
View ArticleClik here to view.
Software De-Dispersion of RTL-SDR Pulsar Data
Back in September 2015 we posted about how radio astronomers Peter W East and GM Gancio were able to use an RTL-SDR dongle for the radio astronomy task of detecting pulsars. A pulsar is a rotating...
View ArticleOpenFest 2014: Software Defined Radio and RTL-SDR by Harald Welte
Recently some talks from the OpenFest 2014 conference have been uploaded to YouTube. One of the talks uploaded is titled “Software Defined Radio and RTL-SDR” and is by Harald Welte. Although a couple...
View ArticleClik here to view.
A new RTL-SDR based Portable ADS-B Kit for Pilots is on Kickstarter
Back in March we posted about the FlightBox, a portable RTL-SDR ADS-B 1090ES and 978UAT receiver built for use by pilots in small aircraft. 1090ES provides ADS-B which allows a pilot to see on a map...
View ArticleHearing Ethernet Packets with an ESP8266 and RTL-SDR
Over on YouTube CNLohr has posted a video showing an interesting side effect of implementing ethernet on the ESP8266. The ESP8266 is a very popular $7 wifi module for microcontrollers that has found a...
View ArticleClik here to view.
Receiving up to 4.5 GHz with an RTL-SDR and a $5 Directv Downconverter
KD0CQ has recently been experimenting with trying to receive signals at frequencies of up to 4.5 GHz with an RTL-SDR and downconverter. Since a typical R820T/2 RTL-SDR’s maximum frequency limit is...
View ArticleClik here to view.
RTL-SDR Blog Units Back in Stock + Polling on Future Upgrades
After a few delays our RTL-SDR blog TCXO/SMA/Metal Case units are back in stock at the Chinese warehouses. The restocking of Amazon USA will follow shortly, and they should be ready for purchase on...
View ArticleClik here to view.
Hydrogen Line Observation with an RTL-SDR
The RTL-SDR can be used for many interesting radio astronomy applications such as observing the Hydrogen line. Hydrogen atoms randomly emit photons at a wavelength of 21cm (1420.4058 MHz). Normally a...
View ArticleClik here to view.
EM-ID: RTL-SDR based Tag-Less ID of Electrical Devices via Eletromagnetic...
Back in November 2015 we posted about Disney Research’s EM-Sense which was an RTL-SDR based smart watch that was able to actually sense and detect the exact (electronic) object the wearer was touching....
View ArticleP25 Decoding: OP25 + RTL-SDR vs a Uniden BCD996T
APCO P25 is a digital voice signal and is commonly used like public safety departments such as police and fire. With an RTL-SDR and the open source Linux based OP25 decoder these signals can be...
View ArticleClik here to view.
Using Aisdecoder to decode both AIS channels simultaneously
Recently SV3EXP wrote in to let us know that he has been documenting his experiences with trying to get aisdecoder to decode both AIS channels simultaneously. AIS stands for Automatic Identification...
View ArticleClik here to view.
Building a Tuning Knob for SDR#
If you love using SDR’s on the PC but miss the old feeling of tuning the frequency with a knob then 19max63 has a solution for you. On his blog he’s posted about how he built his own tuning knob by...
View ArticleClik here to view.
QSpectrumAnalyzer Updated to Version 1.4.0
QSpectrumAnalyzer is a Linux based opensource GUI front end for rtl_power or rtl_power_fftw and can be used with an RTL-SDR to scan for signal activity on wide swaths of the frequency spectrum....
View ArticleDemonstrating the IF Processor and Notch Filter Plugin in SDR#
Over on YouTube user FMDX HUN (Luc1f3rk0) has uploaded a video showing how useful the SDR# IF Processor and Notch Filter Plugin can be when attempting to DX FM broadcast stations. He shows that it can...
View Article