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OH2BNF’s Plan for a Large Scale Raspberry SDR (LSR-SDR) Based on RTL-SDR Dongles
Thanks to OH2BNF for writing in and sharing his plan to build a "Large Scale Raspberry SDR" (LSR-SDR), which will be based on RTL-SDR dongles. To create the LSR-SDR he plans to take a 19" rack which...
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Part III of Calibrating your RTL-SDR with QIRX SDR Now Uploaded
Earlier in the month we posted about Clem's three part series on how his QIRX SDR software can be used to accurately calibrate an RTL-SDR using DAB signals. Back then only parts I and II had been...
View ArticleTysonpower Reviews our Triple Filter ADS-B LNA
Thank you to YouTuber 'Tysonpower' who is known for making various RF related videos as he has recently reviewed our Triple Filtered ADS-B LNA on his blog and on YouTube. Note that his video is in...
View ArticleVideo Demonstrating the iBiquity HD Radio Decoder
Over on YouTube user Rob Fissel has uploaded a nice video that demonstrates the iBiquity HD Radio decoder working with an RTL-SDR. HD Radio is a terrestrial digital broadcast signal that is only used...
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Using the Airspy HF+ as a Power Meter By Calibrating it with a Resistor
Over on YouTube, Leif (SM5BSZ) has uploaded a video where he shows how the Airspy HF+ can be used as an accurate power meter for RF signals. Leif notes that if the noise figure (NF) or minimum...
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PLSDR: A Python Based SDR App with RTL-SDR Support
Programmer P. Lutus has recently released a new Python based software defined radio application that he calls "PLSDR". PLSDR is a full receiver, with spectrum and waterfall displays, a frequency...
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An Enhanced Version of Freqshow for Raspberry Pi’s with Touch Screens
The Freqshow software is an RTL-SDR compatible tool for Raspberry Pi devices that can render live spectrum and waterfall displays. It is designed to run on portable touchscreens that plug into the...
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Reading Household Wireless Utility Meters with an RTL-SDR and Plotting the...
Over on YouTube Debashish Sahu has uploaded a video showing how he uses an RTL-SDR to capture and decode consumption data from his home electric/gas/water utility meters. He uses the rtl_amr software...
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Detecting GPS Jammers In Augmented Reality
The NT1065 is an all-in-one 4-channel global navigation satellite system (GNSS) receiver chip. It is highly versatile and can receive and decode multiple navigation satellites such as GPS, GLONASS,...
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Building A Low Cost GOES Weather Satellite Receiver with an RTL-SDR
Over on Twitter and his github.io page, Pieter Noordhuis (@pnoordhuis) has shared details about his low cost RTL-SDR based GOES satellite receiving setup. GOES 15/16/17 are geosynchronous weather...
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Hacker Warehouse Demonstrates Pager Decoding with an RTL-SDR
Over on YouTube the web show Hacker Warehouse have created a video explaining wireless pagers and how RTL-SDRs can be used to sniff them. In the video host Troy Brown starts by explaining what pagers...
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SDR# TETRA Decoder Plugin Updated
The TETRA plugin for SDR# has been updated a few times since our last post on it back in March. The latest version can be downloaded directly here, and the original link comes from the Russian scanner...
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Creating a Linear Transponder with an RTL-SDR, HackRF and Raspberry Pi
A linear transponder is essentially a repeater that works on a range of frequencies instead of a fixed frequency. For example, a normal repeater may receive at 145 MHz, and repeat the signal at 435...
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Video Demonstrating C-Band AERO Aircraft Tracking
AERO is essentially the satellite based version of aircraft ACARS. AERO's L-band signals contains short ground to air messages with things like weather reports and flight plans. The C-band signals are...
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CalicoCAT: New Serial CAT Control Plugin for SDR#
CalicoCAT: CAT Control Plugin for SDR# Thanks to Stephen 'Tag' Loomis (N0TTL) for submitting news about his new plugin called 'CalicoCAT' which is a serial CAT control plugin for SDR#. The plugin...
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A Lightweight Meteor M2 Demodulator
Over on GitHub dbdexter-dev has released a new lightweight and open source Meteor M2 demodulator. Meteor M2 is a Russian weather satellite that transmits images down in the digital LRPT format. This...
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Using RTL_433 to Decode SimpliSafe Home Security Systems
SimpliSafe is an American DIY home security system company that claims over 2 million customers. Their system relies on 433/315 MHz ISM band wireless radio communications between its various sensors,...
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Tracking Planes with RTL-SDR, Apache Kafka, KSQL, Kibana and a Raspberry Pi
Inspired by a low flying aircraft that kept waking his cat in the morning, Simon Aubury decided to use an RTL-SDR and ADS-B tracking software dump1090 to determine which plane was the culprit. This is...
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Decoding 12 AERO Channels Simultaneously with an Airspy, Outernet Patch...
In a post uploaded last month we noted that Outernet was selling off some of their old L-Band satellite antennas cheaply. Nils Schiffhauser (DK8OK) decided to take advantage of the sale and bought one....
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Using a LimeSDR to Implement Software Defined Optoelectronic Systems
Back in January of this year we posted about PhD student Lucas Riobó's work that about about using an RTL-SDR to create a low cost optical "high-speed real-time heterodyne interferometer". In that work...
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