Using an Airspy HF+ Discovery to Hunt for HF Beacons
Over on YouTube Tech Minds has posted a video of him using an Airspy HF+ Discovery to hunt for signals like non-direction beacons (NDB's) and other morse code CW beacons. The Airspy HF+ Discovery is a...
View ArticleDecoding PAL Video from a Nintendo with an Airspy SDR
Oona (also known as [Windytan] and @windyoona) was recently looking for a way to capture PAL composite video from her old 1980’s Nintendo Entertainment System (NES) without spending a bunch of money on...
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RTL-SDR.COM GOES 16/17 and GK-2A Weather Satellite Reception Comprehensive...
GOES 16/17 and GK-2A are geosynchronous weather satellites that transmit high resolution weather images and data. In particular they are far enough away from the earth to be able to take beautiful...
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Decoding PAL Video from a Nintendo with An Airspy SDR Part 2
Oona combines composite output for color images. Last week we posted about Oona Räisänen's ([Windytan] and @windyoona) project to capture live video from her 1985 Nintendo Entertainment System (NES)...
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Testing for Spurious Signals on the Airspy HF+ Discovery
Thank you to Nils Schiffhauer (DK8OK) for submitting an article documenting his tests on the Airspy HF+ Discovery (pdf mirror). Spurred on by discussions on the SDR-Console mailing list, Nils went...
View ArticleHacking Iridium Satellites With Iridium Toolkit
Over on YouTube TechMinds has uploaded a video showing how to use the Iridium Toolkit software to receive data and audio from Iridium satellites with an Airspy. Iridium is a global satellite service...
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Building An Open Source SDR Based Hydrogen Line Radio Telescope
Over on Reddit we've seen a post by u/ArtichokeHeartAttack who has been working on a hydrogen line radio telescope, based on an RTL-SDR dongle and horn antenna designs by the DSPIRA program, and the...
View ArticleMeasuring the USB Power Consumption of Various Software Defined Radios
Over on his YouTube channel icholakov has uploaded a video comparing the USB power consumption of various software defined radios. In his tests he uses an inline USB current meter and compares a...
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An Active Low Cost HF Loop Antenna Made in the UK
Cross Country Wireless is a UK based company that has created an active HF loop antenna for only $70 USD including international shipping. The loop appears to have already been for sale for a while...
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Creating a 21cm Galactic Sky Map with an Airspy and 1.8m Dish
Marcus Leech from ccera.ca is a pioneer in using low cost software defined radios for observing the sky with amateur radio telescopes. In the past he's shown us how to receive things like the hydrogen...
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Running an RTL-SDR On up to 100 Meters of USB Ethernet Extension Cable
Over on Aliexpress and eBay there are now multiple USB2.0 extenders that work using Ethernet cable. These extenders advertise that is is possible to use up to 100m of Ethernet cable. Extending the USB...
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TechMinds Reviews our RTL-SDR Blog L-Band Patch Antenna + Horn & Dish Mod
Over on YouTube the TechMinds YouTube channel has uploaded a review of our RTL-SDR Blog L-Band patch antenna which we recently released. TechMinds tests the antenna on a STD-C Inmarsat channel with the...
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New Magazine Reviews of the Airspy HF+ Discovery
Recently three new reviews of the Airspy HF+ Discovery have come out in various radio enthusiast magazines from around the world. All three reviews have been released for free in PDF form over on the...
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Airspy 30% Off Black Friday Sale Coupon Now Active
Airspy have recently announced on Twitter that they are holding a 30% off Black Friday sale that runs from November 26 to December 2. The coupon is apparently valid from all their distributors which...
View ArticleTech Minds Demonstrates Iridium Live on a Raspberry Pi
Over on YouTube Tech Minds has uploaded a video of him demonstrating Iridium Live plotting Iridium satellite tracks in real time. We just posted about Iridium Live yesterday. It is a new program by...
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PiSDR Updated to Version 3.0: Now Supports the Airspy HF+
PiSDR is a Raspberry Pi distribution that is pre-loaded with multiple programs for various software defined radios. It currently supports RTL-SDR, LimeSDR, PlutoSDR, Airspy, and as of the most recent...
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Airspy HF+ Discovery Wins the WRTH 2020 Best Value SDR Award
The World Radio TV Handbook (WRTH) is a directory book (or CD) of world radio stations on LW, MW, SW and VHF broadcast FM which is released yearly. Along with the directory, the WRTH authors often...
View ArticleSignalsEverywhere: Exploring Cable Modem Signals with Software Defined Radio
Over on YouTube SignalsEverywhere has just uploaded his latest video about using a HackRF and Airspy R2/Mini to explore the signals coming out of an internet cable modem's coax cable. In the video he...
View ArticleDemonstrating Solar Inverter Noise Cancelling with a Timewave ANC-4 and...
At his house W1VLF found that his solar inverter was causing huge amounts of interference on the HF bands, essentially making any hope at receiving shortwave or amateur radio signals impossible on his...
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A Comprehensive Lab Comparison between Multiple Software Defined Radios
Librespace, who are the people behind the open hardware/source SatNOGS satellite ground station project have recently released a comprehensive paper (pdf) that compares multiple software defined radios...
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