Creating an APRS I-Gate and Digipeater with Baofeng and RTL-SDR

From www.rtl-sdr.com 2 years ago in Blogs

Over on YouTube ModernHam has uploaded a video showing how to create an APRS I-Gate and Digipeater with Baofeng and RTL-SDR. He also makes use of a Raspberry Pi as the computing module and an audio cable to connect the Baofeng to the audio jack of the Pi. The tutorial then...

Articles from RTL-SDR

SDR# Co-Channel Canceller and Micro Tuner Updates

From www.rtl-sdr.com 22 hours ago in Blogs

SDRSharp (SDR#) is one of the most popular SDR programs that is used often with Airspy and RTL-SDR devices. Recently Youssef, the developer of Airspy products and the programmer behind SDR# has again been adding new enhancements to the software...

WiFi Grid RTL-SDR Radio Telescopes featured in SARA2022 Conference Talks

From www.rtl-sdr.com 23 hours ago in Blogs

Over on YouTube the Society of Amateur Radio Astronomers have recently uploaded talks from their SARA 2022 online conference. Two of the talks we've seen focus on describing results produced by small and cheap WiFi Grid RTL-SDR radio telescopes. Back...

SI-SDR-UG Recorded Livestream: Corey Explains DF-Aggregator for KrakenSDR and KerberosSDR

From www.rtl-sdr.com 6 days ago in Blogs

The South Indian SDR User Group (SI-SDR-UG) have recently held their fourth live stream conference. This conference included some interesting talks such as: "Introduction to GNU Radio Series, Part 2" by Neel Pandeya "Silice, a Language for Hardcoding Algorithms into...

A teardown of the early 2000’s Psion Wavefinder DAB SDR Receiver

From www.rtl-sdr.com 2 weeks ago in Blogs

The Psion Wavefinder was one of the first applications of SDR technology in consumer electronics. It was a Windows PC based USD DAB SDR radio receiver that released in the UK in October of the year 2000, for an initial...

Decoding Inmarsat STD-C with Command Line Decoder STDCDEC and SigDigger

From www.rtl-sdr.com 2 weeks ago in Blogs

Over on his YouTube channel Aaron has uploaded a video showing how to use SigDigger and a C based command line Inmarsat STD-C decoder called 'stdcdec' together on his DragonOS SDR based Linux OS image. STD-C is a marine satellite...

APT_COLOR: Add False Color to Black and White NOAA APT Images

From www.rtl-sdr.com 2 weeks ago in Blogs

Thank you to Sasha for submitting news about the release of their latest application called "apt_color". The most popular application for decoding APT weather satellite images from NOAA polar orbiting satellites is WXtoIMG. However, WXtoIMG is closed source and is...

Rolling-Pwn: Wireless rolling code security completely defeated on all Honda vehicles since 2012

From www.rtl-sdr.com 4 weeks ago in Blogs

Back in May we posted about CVE-2022-27254 where university student researchers discovered that the wireless locking system on several Honda vehicles was vulnerable to simple RF replay attacks. A replay attack is when a wireless signal such as a door...

SelfieStick: Combining noisy signals from multiple NOAA APT satellites for clean imagery

From www.rtl-sdr.com 4 weeks ago in Blogs

Researchers from Carnegie Mellon University have recently presented a paper detailing how they combined noisy signals from multiple passes of low earth orbit (LEO) satellites NOAA 15, NOAA 18 and NOAA 19 in order to create a higher quality image....

TechMinds: Using a LEO Bodnar GPSDO with a PlutoSDR

From www.rtl-sdr.com 4 weeks ago in Blogs

Over on the TechMinds YouTube channel Matt has been experimenting with using a PlutoSDR for QO-100 amateur radio satellite communications. The PlutoSDR is a low cost RX/TX capable SDR with up to 56 MHz of bandwidth and 70 MHz to...

Watch out for new RTL-SDR Blog V3 Counterfeits

From www.rtl-sdr.com 1 month ago in Blogs

Over the past few years our company has been targeted by counterfeiters who copy our RTL-SDR Blog V3 logos and put it on inferior or old RTL-SDR designs. Up until now determining a fake from an original unit has been...