Techminds: Building a V-Dipole for Weather Satellite Reception
A new video showing how to build a V-dipole for weather satellite reception has been uploaded over on the Tech Minds YouTube channel. A V-dipole isa dipole antenna arranged in a 120 degrees "vee"...
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Using ADS-B Exchange to Track Police and Military Aircraft Monitoring the...
During the recent George Floyd BLM protests police and military aircraft have been playing a large part in the surveillance of protestors. All these aircraft are required to transmit ADS-B which of...
View ArticleYouTube Tutorial: Installing and Using CubicSDR on a Mac
Over on YouTube user RickMakes has uploaded a video showing how to install and use CubicSDR on a Mac computer. CubicSDR is a general purpose program compatible with multiple SDRs including the RTL-SDR...
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Decoding Radio Telemetry Heard on News Helicopter Video Footage with GNU Radio
Twitter user @d0tslash was watching news helicopter footage of the BLM protests on the 28th of May when he heard something that sounded like an RF telemetry feed in the background audio on the...
View ArticleVirtual Plane Spotting Livestream by Piping ADS-B Data into Flight Simulator
Over on YouTube we've recently discovered a live stream by channel Information Zulu that has created a virtual live 24hr view of LAX airport air traffic by piping ADS-B data into a flight simulator...
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TETRA-Kit: A New Open Source TETRA Decoder
Thank you to Larry for submitting information about his latest project called TETRA-Kit. TETRA-Kit is an extensible open source TETRA downlink decoder for Linux that makes use of GNU Radio as the first...
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Decoding HIRS Instrument Images from NOAA Weather Satellites
Thank you to Björn Schnabel who has written in to notify us about a website he's created for a program written by Zbigniew Sztanga called NOAA-HIRS-decoder which might be of interest to some RTL-SDR...
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GR-HRPT: GNU Radio HRPT Decoder Blocks for NOAA, METEOR, MetOp and FengYun-3...
Thank you to @Derek33197785 for writing in and highlighting @aang254's work on gr-hrpt, a GNU Radio 3.8 port of HRPT blocks from gr-noaa and other projects. These blocks are for decoding the HRPT...
View ArticleA Self-Executable version of TempestSDR is now Available
TempestSDR is an open source tool made by Martin Marinov which allows you to use any SDR that has a supporting ExtIO (such as RTL-SDR, Airspy, SDRplay, HackRF) to receive the unintentional signals...
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Imaging the Milky Way in Neutral Hydrogen with an RTL-SDR
Over on Facebook Job Geheniau has recently been sharing how he's taken an image of our galaxy (the Milky Way) with a radio telescope consisting of a 1.5 meter dish, RTL-SDR and a few filters and LNAs....
View ArticleTesting out the SDR-Kits L-band Inmarsat Patch Antenna for AERO
The SDR-Kits L-band Patch antenna is a modified GPS antenna designed for receiving Inmarsat satellite stations such as AERO and STD-C. They have another version for receiving Iridium frequencies as...
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Understanding, Listening and Recording Trunked Radio Systems with an RTL-SDR...
Trunked radio systems for voice communications can be easily found when browsing the spectrum with an SDR. Listening to a voice communication is easy, but actually following a conversation along is...
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Open Weather: An Artistic Performance Involving Live NOAA APT Signal Decoding...
Just after our post a few days ago about an art project involving weather satellite reception with SDRs, we received a story submission about an artistic performance with similar weather satellite and...
View ArticleA Talk on 21cm Hydrogen Line Amateur Radio Astronomy
The Amateur Radio Experimenters Group (AREG) recently held an online talk with guest speakers Phil Lock and Bill Cowley, talking about amateur radio astronomy. In the talk they note how they use an...
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Talks from the 2020 HamSCI Convention (Held Online)
HamSCI is an organization dedicated citizen radio science and specifically the "publicity and promotion of projects that advance scientific research and understanding through amateur radio activities"....
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Building a Remote SSB Receiver with an RTL-SDR, OrangePi and GNU Radio
Over on his blog F1ATB has uploaded a post explaining how he created an RTL-SDR or HackRF based remote SSB receiver controllable with an internet browser. To set this up he uses an Orange Pi One Plus...
View ArticleTech Minds: Testing the OpenEar DMR TETRA ADSB POCSAG Decoder for RTL-SDR
Back in March we posted about the release of OpenEar, a standalone TETRA decoder for the RTL-SDR. Since then OpenEar has undergone massive developments, not only improving upon the TETRA decoder, but...
View ArticleDragonOS: DSP and Signal Analysis with Composable-SDR, Inspectrum and an RTL-SDR
DragonOS is a ready to use Linux OS image that includes various SDR programs preinstalled. The creator Aaron also runs a YouTube channel that contains multiple tutorial videos for DragonOS One of the...
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DSD (Open Source) with dPMR Decoding and Windows Binaries Released
Digital Speech Decoder (DSD) is an open source program for decoding signals containing digital speech, such as DMR and P25. The open source version has been mostly surpassed in use over the last few...
View ArticleTech Minds: Testing the Mayhem Firmware on the HackRF Portapack
In a video uploaded to YouTube last week, Tech Minds explored the HackRF Portapack, which is an add on for the HackRF SDR that allows the HackRF to be used portably without a PC. In that video he...
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