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SDR-Console V3 Latest Update: Signal History & Receiver Panes
SDR-Console is a popular RTL-SDR compatible multi purpose SDR software package which is similar to programs like SDR#, HDSDR and SDRuno. Currently SDR-Console V2 is the stable version and SDR-Console...
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Our Review of the Airspy HF+: Compared against ColibriNANO, Airspy Mini, RSP2
Over the last few months we’ve been posting and getting excited about the Airspy HF+, an upcoming high dynamic range HF/VHF receiver designed for DXing. The Airspy team were kind enough to supply us...
View ArticleSDR on an Android Wristwatch with Airspy HF+ and SpyServer
Over on Twitter @lambdaprog and @mm6dos, developers of SDR# and Airspy SDR products have tweeted videos showing off an Android watch being used as an SDR interface. They use a prototype of their...
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Tuning an HF Antenna with an Airspy, SWR-Bridge and Noise Source
Over on his blog Anders J. Ørts has created a good writeup showing how he used the combination of an Airspy SDR with SpyVerter upconverter, SWR-Bridge and a noise source to tune his HF dipole for the...
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SpyServer Updated: Very Efficient Network Usage with 8-Bit PCM Mode
Over the last month SDRSharp's SpyServer has been updated several times. SpyServer is a streaming server for SDR# which allows you to use Airspy and RTL-SDR radios remotely over a network connection....
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RTL-SDR Tutorial: Setting up and using the SpyServer Remote Streaming Server...
A number of people have asked how to use SDR#'s SpyServer with an RTL-SDR. In this tutorial we will show how to set up SpyServer on both Windows and Linux systems. We try to assume as little knowledge...
View ArticleVideo Comparing the Airspy HF+ and KiwiSDR
Over on YouTube user icholakov has uploaded a video comparing the Airspy HF+ with the KiwiSDR. The Airspy HF+ and KiwiSDR are both high performance yet low cost SDR platforms. The differences are that...
View ArticleLeif Compares the Airspy HF+ with the Airspy+Spyverter Combo
Over on YouTube Leif (sm5bsz) has uploaded a video where he compares the Airspy HF+ with the Airspy+Spyverter combination. In the test he compares the two radios at 7 MHz. The signals come in from an...
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Using an Airspy SDR for Optical FM Spectroscopy
Spectroscopy is the study of how electromagnetic radiation interacts with matter and it can be used to study the internal structure of matter. At the DLR Institute for Technical Physics in Stutgart...
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OpenWebRX now Supports the Airspy HF+
Thanks to Stefan Dambeck for letting us know that there is now a fork of libairspyhf made by DL9RDZ which contains an adapted version of airspyhf_rx (the raw IQ generator). This enables the Airspy HF+...
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A MW DXers Review of the Airspy HF+
Medium Wave DXer Bjarne Mjelde has recently written up his experiences with the new Airspy HF+ software defined radio. If you weren't already aware, MW DXing is the art of attempting to receive...
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Some more information about the Airspy HF+ R3 Bypass Modification
At the beginning of this month we posted a review by Bjarne Mjelde who reviewed the MW DXing performance of the Airspy HF+. One thing he found was that by performing a simple capacitor bypass...
View ArticleMore Reviews and Discussion on the Airspy HF+
Recently a few more reviews of the HF+ have been released and we list some of them below for those thinking about purchasing one. SDRPlay RSP-1A vs. Airspy HF+ on Shortwave and Medium Wave In this...
View ArticleA Guide to Using SDR-Console V3 for Accessing and Creating Remote Servers
Jon Hudson, head of marketing at SDRplay has recently released a helpful tutorial that shows how to access remote servers in SDR-Console V3, and also how to set up your own server too. As you may...
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R820T2 Chip Discontinued: Low Cost R820T2 RTL-SDRs will Continue, Airspy Will...
The R820T2 is the main tuner chip used in most RTL-SDR dongles. Several months ago Rafael Micro ceased regular production of their R820T2 chip, and the older R820T has also been discontinued for some...
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Measuring the Noise Figure of Airspy and HackRF SDRs in Real Time
The Noise Figure (NF) is an important metric for low noise amplifiers and SDRs. It's a measure of how much components in the signal chain degrade the SNR of a signal, so a low noise figure metric...
View ArticleGoing Portable with the Airspy HF+, Raspberry Pi and 7-Inch Touch LCD
Over on the swling blog we've seen a post where contributor 'Tudor' demonstrates his Airspy HF+ running nicely on a Raspberry Pi 3, 7-inch touchscreen LCD, and USB power bank. The video shows GQRX...
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Investigating the Adjustable IF Bandwidth on the R820T Chip
Over on his blog, Thierry Leconte has been writing about some IF bandwidth experiments that he's performed on the R820T2 chip. This is the tuner chip that is used in most RTL-SDR dongles, and well as...
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Video Comparing the RSP-1A Against the Airspy HF+, and Testing out the Airspy...
Over on YouTube icholakov has uploaded two new comparison videos. The first compares the Airspy HF+ against an RSP-1A on HF signals with a W6LVP receive loop antenna in a noisy suburban backyard in...
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Monitoring FT8, JT65, JT9 on Multiple Bands with Low Cost Single Board PCs
Thank you to Michael (dg0opk) who wrote in and wanted to share details of his full SDR monitoring system for weak signal HF modes. His setup consists of nine ARM mini PCs (such as Banana Pi's,...
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