Android App: Phonetic Alphabet Trainer
Thank you to Manuel DO5TY who wrote in and wanted to share his Android App that helps you to memorize the ham radio phonetic alphabet. The phonetic alphabet is a way to avoid confusion when speaking...
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rsp_tcp: An rtl_tcp compatible IQ Server for SDRplay SDRs
The SDRplay team have released an updated version of a program called "rsp_tcp" (originally written by F4FHH Nicholas). This is a streaming IQ server for SDRplay devices, which is directly ported from...
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SignalsEverywhere Podcast EP1: Es’hail-2, Favorite RTL-SDR Blog Posts and...
Corrosive from the SignalsEverywhere YouTube channel is starting up a radio/SDR related podcast, and today has released episode one. The podcast is 22 minutes long, and in that time he discusses...
View ArticleAmateur Radio on the Es’hail-2 Satellite Explained on YouTube
Over on YouTube Tech Minds has posted a video explaining what Es'hail-2 satellite is and why it is interesting for hams and SDR users. Briefly Es'hail-2 is a recently launched geostationary TV...
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Reducing HF Electrical Noise by Using a Faraday Cage for Switch-Mode Power...
Over on his blog, DXer OH2-2192 was frustrated by lots of local electrical noise showing up on the HF bands on his Airspy + Spyverter SDR receiver. He discovered that the majority of the noise he was...
View ArticleYouTube Tutorial: Decoding POCSAG and FLEX Pager Messages on Windows with PDW
Pager systems are famously known to be insecure, and due to the lack of encryption and high transmit power anyone with an RTL-SDR or other SDR can receive and decode pager messages. The users of pagers...
View ArticleUsing Two PlutoSDR’s for Full Duplex Packet Radio Communications
Over on his channel SignalsEverywhere, Corrosive has uploaded a video showing us how we can create a full duplex packet radio communications system using two PlutoSDRs. Full duplex is the ability to...
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Testing an SDRplay RSPduo with Bonito Active Loop Antennas
Bonito is a company that sells various active dipole and loop antennas for ham radio and DX applications. Recently they decided to test their MegaLoop FX and MegaDipol MD3000DX antennas on an SDRplay...
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Photos of the MSi.SDR Dongle: A New SDRplay RSP1 Clone
Thank you to reader Mikael for writing in and letting us know that over on Aliexpress a new clone of the SDRplay RSP1 has been starting to show up. The sellers are terming it as the "MSi.SDR" in...
View ArticleSignalsEverywhere Video: SDRAngel How to Receive Basics Tutorial
Over on his YouTube channel SignalsEverywhere, Corrosive has posted a new video tutorial explaining how to use the SDRAngel software for receiving signals in Windows. SDRAngel is a general purpose SDR...
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New Technical Textbook on SDR and Communications: “Wireless Communications...
Thanks to author Qasim Chaudhari for writing in and sharing with us that his new book titled "Wireless Communications From the Ground Up - An SDR Perspective" has been released. Qasim is a research...
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A Worldwide Map for HRPT Weather Satellite Receive Stations
Recently Manuel (DO5TY aka Tysonpower from YouTube) wrote in and wanted to share his website that shows HRPT weather satellite receive stations from around the world on a map, and links to their...
View ArticleDIY Software Defined Ham Transceiver With eBay Parts
YouTuber jmhrvy1947, has recently uploaded a number of videos giving an overview of how he built his own HF SDR transceiver using what he calls the “Lego build method”. The idea of the Lego build...
View ArticleDemonstration of Two SatNOGS Rotators
Thank you to IZ5RZR for writing in and sharing his two SatNOGS rotator builds with us. SatNOGS is an open source project that aims to make it easy for volunteers to build and run RTL-SDR or other SDR...
View ArticleTransferring Files via the BlockStream Satellite with Lightning Network...
The Blockstream satellite API is now live on the main Bitcoin network. Blockstream satellite is a project that aims to use geosynchronous satellites to strengthen the Bitcoin network by continuously...
View ArticleSDRplay Release SDRUno V1.3 – Now with Frequency Scanning Feature
SDRplay have just released a major upgrade to SDRUno, the official software for SDRplay RSP software defined radios. Along with various bug fixes, the most interesting new feature in version 1.3 is the...
View ArticleA Vacuum Tube Based Shortwave Software Defined Radio
Vacuum tubes are not typically found in software defined radios, but this interesting mix of old and new technology by Mirko Pavelski uses one in it's front end. The way it works is that the analogue...
View ArticleConference Talk: Linux, Raspberry Pi, RTLSDR, LAME and Open Source (A Recipe...
The SCaLE conference on open source and free software was recently held on March 10 in Pasadena, California. One of the talks by Ben Kuo AI6YR was titled "Linux, Raspberry Pi, RTLSDR, LAME and Open...
View ArticleReceiving Voice Communications From the Soyuz MS-12 Expedition to the ISS
On March 14 the Soyuz MS-12 spacecraft mission was launched and this carried three astronauts to the International Space Station (ISS). Back on the ground, YouTube creator Tysonpower was able to...
View ArticleSignalsEverywhere: SDRAngel PlutoSDR Transmit Tutorial
Over on his YouTube channel SignalsEverywhere, Corrosive has uploaded a new video tutorial showing us how to transmit with a PlutoSDR and SDRAngel. His tutorial goes over the initial set up steps,...
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