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Converting an Old Cable Modem into an SDR
Over on his github blog, user stdw has uploaded a comprehensive post explaining how he investigated and turned an old Motorola MB7220 cable modem that was sitting in his closet into a fully functional...
View ArticlePySDR: A (Free) Guide to SDR and DSP using Python
Dr. Marc Lichtman has recently released his free online PySDR guide to Digital Signal Processing (DSP) explained with the help of software defined radio and Python code. Over the years we've seen...
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Notes on Observing Pulsars with an SDR from CCERA
A pulsar is a rotating neutron star that emits a beam of electromagnetic radiation. If this beam points towards the earth, it can then be observed with a large dish or directional antenna and a...
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Dictator Alert Fundraising
In the past we've posted about the Dictator Alert project a few times, as it makes use of ADS-B data contributed to ADS-B Exchange via volunteers who typically run an RTL-SDR as part of their ADS-B...
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Easy-SDR: Open Source Designs for SDR Accessories
Back in 2018 we posted about Igor Yatsevich's Easy-SDR project which consisted of open source designs for a Mini-Whip antenna and upconverter. Igor has now added several new open source designs to the...
View ArticleSDR# Updates: RTL-SDR Enhanced Mode, AM Co-Channel Canceller for MW DX
Over the past few days SDR# has been updated again adding several new great features. The first is an "RTL-SDR Enhanced" front end driver, which is actually Vasili's front end driver that was released...
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GQRX Updated to 2.13: Several Bug Fixes and Performance Improvements
GQRX is one of the most popular open source software choices to use with various SDRs on Linux and MacOS. Recently it was updated to version 2.13, bringing in a few new features and several bug fixes...
View ArticleYour own Numbers Station at Home with a Raspberry Pi and Pi-FM-RDS
Numbers Stations are mysterious radio broadcasts that typically consist of a voice speaking a seemingly random string of numbers. It is mostly accepted that these stations are a way for spy agencies to...
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NOAA-APT Decoder Updates: False Color, Pass Prediction and more
In the past we've posted a couple of times about the NOAA-APT decoder software as it is a worthy alternative to the now abandonware software WXtoIMG. However, it lacks certain features which makes...
View ArticleDragonOS: QRadioLink Radio over IP with an RTL-SDR
DragonOS is a ready to use Ubuntu Linux image that comes preinstalled with multiple SDR program. DragonOS-Focal (the build with the latest updates) has recently been updated to include the latest...
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WeatherSense: A Wireless 433 MHz Weather Station with RTL-SDR Receiver
Over on Kickstarter we've recently come across a project called "WeatherSense" which is currently being crowdfunded. WeatherSense is a custom built set of 433 MHz wireless weather sensors made for...
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QIRX Version 3 Beta: Built in ADS-B Decoder + Map, Multimode, Multi-Receiver
In the past we've posted about the QIRX software a few times as it is an RTL-SDR compatible program that has a focus on DAB+ decoding. However, recently QIRX author Clem wrote in to let us know about...
View ArticleFrugal Radio: SDR Guide Ep 5 – Software Primer
After a short break Frugal Radio's ongoing series of SDR beginners guide videos is back, and in the latest episode Rob provides part one of a two part overview of some software available to use with...
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New GOES Weather Satellite Bundle from NooElec
NooElec have recently released for sale a GOES geostationary weather satellite reception bundle which includes a parabolic grid dish, feed, GOES LNA and RTL-SDR dongle. The bundle should be usable for...
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Gorizont-RTLSDR Updated to V2.0
Earlier in the year we posted about the release of Gorizont-RTLSDR, an RTL-SDR focussed Linux distribution based on Xubuntu 18.04. The distribution has now been updated to Version 2.0. The creator...
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SDR# FM Co-Channel Canceller Added
A few days ago the developer of SDR# added a very useful AM Co-Channel canceller plugin, and just today he has also added a new FM Co-Channel canceller. A Co-Channel canceller allow a user to remove an...
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KerberosSDR Currently On Sale – Ends Midnight Sunday 1 Nov
KerberosSDR is currently on sale for US$150 over on the Othernet store. Sale ends 1 NOV SUNDAY MIDNIGHT (PT)! If you weren't aware KerberosSDR is our 4-channel phase coherent capable RTL-SDR unit that...
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Simple dPMR Decoder Plugin for SDR# Released
Over on rtl-sdr.ru programmer Vasili has released his latest SDR# plugin which is a dPMR decoder (note that this site is in Russian). dPMR is short for "Digital Private Mobile Radio" and is an open...
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A Dual Aircraft and Ship Tracking System with RTL-SDR
Over on his blog Ian Renton has posted about his dual plane and ship tracker project that he's titled "Plane/Sailing". The project consists of several elements including one FlightAware Pro Stick and...
View ArticleA Few More Demonstrations of the SDR# FM and AM Co-Channel Cancellers
Over on YouTube a few more videos showing the new AM and FM co-channel cancelling algorithms available in recent versions of SDR# have been uploaded. In the first video YouTuber channel "Peter...
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