SignalsEverywhere: SDR Bias-Tee’s and Enabling the V3 Bias Tee
Today's video from Corrosive on the SignalsEverywhere YouTube channel discusses Bias Tee's. He explains what they're used for, and how to enable them on various SDRs. In particular he shows how to use...
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Meteor M2 is Currently Experiencing Orientation Issues
Russian weather satellite Meteor M2 is a popular reception target for RTL-SDR radio enthusiasts, as it allows you to receive high resolution images of the Earth. However, currently it appears to be...
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Rdio Scanner: A Web Based UI for Trunk Recorder
Trunk Recorder is an RTL-SDR compatible open source Linux app that records calls from Trunked P25 and SmartNet digital voice radio systems which are commonly used by Police and other emergency services...
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Tracking Company Jets with ADS-B to Give an Edge to Hedge Fund Investors
Financial news site Bloomberg recently ran an article about how hedge fund managers are using ADS-B to track private company aircraft in order to help predict the next megadeal between companies. They...
View ArticleSignalsEverywhere: Investigating USGS Gaging Stations and their GOES...
The United States Geological Service maintains over 8500 "Gaging stations" in bodies of water all over the country. Gaging stations are devices that are used to measure environmental data such as...
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Solar Sail Satellite Lightsail-2 Now Transmitting Morse Code Beacon
Lightsail-2 is a solar sail experiment which successfully launched on a Space-X Falcon Heavy on 25 June, and was released into orbit on July 2nd. A solar sail is a type of spacecraft that uses a large...
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Meteor M N2-2 Successfully Launched: Awaiting LRPT Signal
On July 5 the Russian Meteor M N2-2 weather satellite was successfully launched into orbit and appears to be healthy. The LRPT weather camera signal is not yet broadcasting however, and we expect it to...
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rtlSpectrum: A New GUI for rtl_power
Thank you to Andrey for submitting news about the release of his new open source program called "rtlSpectrum". rtlSpectrum is a GUI for rtl_power, which allows you to scan a wide swath of bandwidth...
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Signals and Bits A New SDR Podcast by the President of the GNU Radio Project
[Ben Hilburn] the president of the [GNU Radio Project] has recently started a new podcast called [Signals and Bits]. If you were unaware, GNU Radio is the defacto open source framework for implementing...
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Upcoming KerberosSDR Software Updates: Automatically Estimate TX Location and...
KerberosSDR is our 4x Coherent RTL-SDR that we've developed together with Othernet. It can be used for tasks such as direction finding and passive radar. KerberosSDR was successfully crowdfunded over...
View ArticleSignalsEverywhere: Improving HF Reception with Impedance Matching
This week on the SignalsEverywhere YouTube channel host Corrosive explores why impedance matching matters when trying to obtain the best reception possible. To do this he reviews the NooElec 1:9 Balun,...
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A Low Cost 2.4 GHz Downconverter from off the Shelf Dev Boards
Over on GitHub Ian Wraith has released his design and microcontroller code for a low cost 2.4 GHz downconverter circuit. A downconverter is a hardware device that shifts the signals that it receives...
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PICTOR: An Open Source Low Cost Radio Telescope based on RTL-SDR
PICTOR is an open source and open hardware radio telescope that aims to promote radio astronomy on a budget. It consists of a 1.5 meter parabolic dish antenna, 1420 MHz feedhorn, a two stage low noise...
View ArticleWeather Satellite Meteor M2-2 Now Transmitting Images
Reports from Reddit and Twitter are in that the recently launched Meteor M2-2 weather satellite is now functional and broadcasting images at 137.9 MHz. A few people have noted that the reception...
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Weather Satellite NOAA 15 Appears to have Failed (Again)
Back in April 2018 we posted how the NOAA-15 APT weather satellite that many RTL-SDR users enjoy receiving images from was having problems with it's scan motor resulting in image errors. The satellite...
View ArticleSDR-Makerspace Talk: Evaluation of SDR boards and toolchains
The Software Defined Radio Academy YouTube channel recently uploaded an interesting talk by Alex Csete (creator of the popular GQRX and GPredict applications), and Sheila Christiansen. Their...
View ArticleSignalsEverywhere: Satcom Antennas for L-Band Reception via RTL-SDR + Podcast...
On this episode of SignalsEverywhere on YouTube Corrosive shows off several antennas that can be used for Inmarsat and Iridium satcom reception. His video shows off a commercial Inmarsat branded...
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Developing Your Own SDR Applications With Python
[Max-Felix Müller] wanted to develop his own SDR application with the goal of learning python and a bit about signals processing. To accomplish this goal he’s using [pyrtlsdr] a library which wraps...
View ArticleTracking Multiple Amateur Radio APRS Balloons with RTL-SDRs
Last month Jeff Deaton from "Edge of Space Sciences" (EOSS) presented a talk called "SDR Multi Balloon Tracking", where he discusses how EOSS are using RTL-SDR receivers to track their APRS high...
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Hackaday Looks back on Seven Years of RTL-SDR
Hackaday is a very popular blog that summarizes and aggregates all sorts of content related to hardware, electronics and software projects (just like we do with SDR content). Over the years Hackaday...
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