YouTube Video: Reverse Engineering with SDR
Over on YouTube Black Hills Information Security (aka Paul Clark) has uploaded a one hour long presentation that shows how to use a software defined radio to reverse engineer digital signals using GNU...
View ArticleDecoding the ARES Train Protocol with an RTL-SDR
Over on YouTube user JellyImages has uploaded a video demonstrating his Windows based ARESrcvr software. ARES is a railway control communications protocol used by some trains in the USA. His code...
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Vancouver Broadcasts Hospital Patient Data Over Unencrypted Wireless Pagers
Canadian based researchers from the "Open Privacy Research Society" recently rang the alarm on Vancouver based hospitals who have been broadcasting patient data in the clear over wireless pagers for...
View ArticleMonitoring 3D Printer Filament Moisture with an RTL-SDR and rtl_433
Over on Hackaday we've seen a post about Scott M. Baker's 3D printer filament drying farm that is monitored by a 433 MHz ISM band sensor and an RTL-SDR running rtl_433. If you're familiar with 3D...
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PREORDER SALE: Active L-Band 1525-1637 Inmarsat to Iridium Patch Antenna Set...
Over the last several months we've been working on a versatile active L-band patch antenna that can cover Inmarsat to Iridium satellite frequencies. That antenna is now almost ready, and should be able...
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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...
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Electrosense: RTL-SDR Based Crowd Sourced Spectrum Monitoring with a DC to 6...
Recently we came across Electrosense which is an interesting open source project that aims to deploy radio spectrum sensors worldwide in order to analyze and understand radio spectrum usage. This...
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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Fingerprinting Electronic Devices via their RF Emissions with an RTL-SDR and...
Thank you to José Carlos Rueda for submitting his simple shell script that he uses for fingerprinting spurious RF emissions with an RTL-SDR, rtl_power, heatmap.py and imagemagick. The result is...
View ArticleWatching Lightning Strikes on the Spectrum with an RTL-SDR
Over on YouTube user Tech Addict Attic has uploaded a video demonstrating what lightning strikes look like on the radio spectrum. To receive the pulses he uses an RTL-SDR and a simple wire antenna...
View ArticleSignalsEverywhere: Decoding HD Radio with an RTL-SDR
Corrosive (KR0SIV) from the SignalsEverywhere YouTube channel has uploaded a new video that explains and shows HD radio being decoded with an RTL-SDR. If you are in the USA, you might recognize HD...
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G8JNJ Reverse Engineers and Reviews the MLA-30 HF Loop Antenna
Last month we posted a collection of reviews about the MLA-30 which is a budget magnetic loop antenna designed for receiving HF signals. The overall consensus from the reviews was that it worked...
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SDR# 1717 Officially Released: Dark Mode and Other Skins now Available
Release 1717 of the popular SDR# software that is commonly used with RTL-SDR dongles has just officially been released (actually already up to r1722 at the time of this post). This release brings with...
View ArticleAn Introduction to Pagers with the HackRF PortaPack and an RTL-SDR
Over on YouTube user HackedExistence has uploaded a video explaining how POCSAG pager signals work, and he also shows some experiments that he's been performing with his HackRF PortaPack and an old...
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International Space Station SSTV Event Scheduled for October 9 and 10
The International Space Station (ISS) periodically schedules radio events where they transmit Slow Scan Television (SSTV) images down to earth for listeners to receive and collect. This time they have...
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New Product in Store: RTL-SDR Blog Magnetic Whip Antenna Set (Great for...
We've recently released a new Magnetic Whip Antenna Set in our store. The set consists of a heavy duty magnetic mount antenna base with 2M RG59, a 9.5cm fixed whip antenna (usable from 400 MHz to 2...
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SDR in the Local Newspaper: Investigating an RF Dead Spot for Car Key Fobs
Reddit user [SDR_LumberJack] writes how he was recently featured in his local newspaper [Part2] in Ontario, Canada thanks to his efforts in helping to hunt down the cause of an RF deadspot with an SDR....
View ArticleSignalsEverywhere: Testing out NooElecs PCB L-Band Patch Antenna
Over on his YouTube channel Corrosive from the SignalsEverywhere YouTube channel has uploaded a video where he tests out the new US$29.95 NooElec PCB patch antenna for receiving L-band satellite...
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Using a LimeSDR and RTL-SDR to Transfer a Text File Over the Air
Over on his blog nuclearrambo has been working on a project that uses a LimeSDR and RTL-SDR to transfer a small CSV text file over the air. The transmitting side consists of a GNU Radio flowchart that...
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L-Band Patch Antenna Set Preorder Sale Ending Soon – Shipping Begins Next Week
Just a heads up that the preorder sale on our new L-Band Patch antenna set will be ending October 21 as we are almost ready to ship the units out. After the preorder sale ends the pricing will rise...
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