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RTL-SDR.COM
RTL-SDR (RTL2832U) and software defined radio news and projects. Also featuring
Airspy, HackRF, FCD, SDRplay and more.
* Home
* About RTL-SDR
* Quick Start Guide
* Featured Articles
* Tutorials
* Air and Marine
* ADS-B Aircraft Radar
* ACARS Decoding
* AIS Ship Tracking
* Decoding Weather Balloons
* Satellite
* NOAA Weather Satellites
* Meteor-M Weather Satellites
* GOES 16/17 and GK-2A Weather Satellite Tutorial
* Inmarsat STD-C NCS EGC Decoding
* Decoding and Plotting GPS
* Decoding HRPT Weather Satellite Images
* Terrestrial
* P25 P1 Digital Voice Decoding
* P25 P2 Decoding with OP25
* Trunked Radio Following
* POCSAG Pager Decoding
* TETRA Voice Decoding
* Analyzing GSM Signals
* DRM Radio Decoding
* Decoding 433 MHz ISM Band Weather Stations
* Single Board Computer
* QRP (FT8, JT9, WSPR etc) Monitoring Station
* Performing Replay Attacks with RTL-SDR and RpiTX
* Radio Astronomy
* Radio Astronomy Overview
* Hydrogen Line Galactic Radio Astronomy
* Other
* Measuring Filter Characteristics & VSWR
* SpyServer Tutorial
* Using the V3 Bias Tee on PiAware
* Properly Positioning a Preamp/LNA
* Product Reviews
* SDRs
* Airspy HF+ Review
* Airspy vs. SDRplay vs. HackRF
* SDRplay RSP1A
* SDRplay RSP2
* FlightAware ADS-B RTL-SDR
* Outernet Dreamcatcher
* LimeSDR Review
* LimeSDR Mini
* ThumbNet N3
* Airspy Mini
* PlutoSDR Unboxing
* PlutoSDR Tests
* KiwiSDR Review
* FlightAware Prostick vs Prostick Plus
* HackRF PortaPack Review
* SpyVerter Upconverter
* 9A4QV Folded Monopole ADS-B Antenna
* FlightAware ADS-B Antenna and Filter
* Outernet LNA and Patch Antenna
* moRFeus Review
* Interesting
* TEMPEST with SDR
* Listening to HD Radio
* Receiving Dead Satellites
* Listening to SCA Broadcasts
* Live ADS-B Aircraft Cockpit
* Transmitting with a Raspberry Pi
* Quick Start Guides
* RTL-SDR QSG
* V3 Features Users Guide
* SDRSharp Users Guide
* PlutoSDR QSG
* Direct Sampling Mod
* Roundup of Software Defined Radios
* KerberosSDR
* KerberosSDR Quickstart Guide
* Direction Finding Android Demo
* Direction Finding Android Tutorial
* SignalsEverywhere Direction Finding Tutorial
* Networked Direction Finding
* Measuring Traffic Volumes with Passive Radar
* Software
* RTL-SDR Supported Software
* List of SDRSharp Plugins
* Experimental Drivers
* Experimental HF Driver
* Manual gain controls and decimation driver
* ExtIO with Decimation & Tuner Bandwidth Controls
* Keenerds Driver
* L-Band Heat Issue Driver
* Signal ID Wiki
* Forum
* RTL-SDR Store
* Guide Book
* Contact
- Navigation - Home About RTL-SDR Quick Start Guide Featured Articles-
Tutorials-- Air and Marine--- ADS-B Aircraft Radar--- ACARS Decoding--- AIS Ship
Tracking--- Decoding Weather Balloons-- Satellite--- NOAA Weather Satellites---
Meteor-M Weather Satellites--- GOES 16/17 and GK-2A Weather Satellite
Tutorial--- Inmarsat STD-C NCS EGC Decoding--- Decoding and Plotting GPS---
Decoding HRPT Weather Satellite Images-- Terrestrial--- P25 P1 Digital Voice
Decoding--- P25 P2 Decoding with OP25--- Trunked Radio Following--- POCSAG Pager
Decoding--- TETRA Voice Decoding--- Analyzing GSM Signals--- DRM Radio
Decoding--- Decoding 433 MHz ISM Band Weather Stations-- Single Board
Computer--- QRP (FT8, JT9, WSPR etc) Monitoring Station--- Performing Replay
Attacks with RTL-SDR and RpiTX-- Radio Astronomy--- Radio Astronomy Overview---
Hydrogen Line Galactic Radio Astronomy-- Other--- Measuring Filter
Characteristics & VSWR--- SpyServer Tutorial--- Using the V3 Bias Tee on
PiAware--- Properly Positioning a Preamp/LNA- Product Reviews-- SDRs--- Airspy
HF+ Review--- Airspy vs. SDRplay vs. HackRF--- SDRplay RSP1A--- SDRplay RSP2---
FlightAware ADS-B RTL-SDR--- Outernet Dreamcatcher--- LimeSDR Review--- LimeSDR
Mini--- ThumbNet N3--- Airspy Mini--- PlutoSDR Unboxing--- PlutoSDR Tests---
KiwiSDR Review--- FlightAware Prostick vs Prostick Plus--- HackRF PortaPack
Review-- SpyVerter Upconverter-- 9A4QV Folded Monopole ADS-B Antenna--
FlightAware ADS-B Antenna and Filter-- Outernet LNA and Patch Antenna-- moRFeus
Review- Interesting-- TEMPEST with SDR-- Listening to HD Radio-- Receiving Dead
Satellites-- Listening to SCA Broadcasts-- Live ADS-B Aircraft Cockpit--
Transmitting with a Raspberry Pi- Quick Start Guides-- RTL-SDR QSG-- V3 Features
Users Guide-- SDRSharp Users Guide-- PlutoSDR QSG- Direct Sampling Mod- Roundup
of Software Defined Radios- KerberosSDR-- KerberosSDR Quickstart Guide--
Direction Finding Android Demo-- Direction Finding Android Tutorial--
SignalsEverywhere Direction Finding Tutorial-- Networked Direction Finding--
Measuring Traffic Volumes with Passive Radar Software- RTL-SDR Supported
Software- List of SDRSharp Plugins- Experimental Drivers-- Experimental HF
Driver-- Manual gain controls and decimation driver-- ExtIO with Decimation &
Tuner Bandwidth Controls-- Keenerds Driver-- L-Band Heat Issue Driver Signal ID
Wiki Forum RTL-SDR Store Guide Book Contact
February 2, 2024
TECH MINDS: A REVIEW OF THE SDRPLAY RSP1B AND SDRCONNECT PREVIEW 2 DEMONSTRATION
A few days ago we posted about the recent release of the SDRplay RSP1B software
defined radio, which is an upgrade over the previous RSP1A model. The changes
include a new steel enclosure, significantly improved noise performance under 1
MHz and in the 50 - 60 MHz region, noticeable noise improvements in the 3.5 -
5.5 MHz and 250 - 320 MHz range, and improved signal handling at HF frequencies.
Over on the Tech Minds YouTube channel, Matt has released a video testing the
new RSP1B. He notes that thanks to the improved noise performance under 1 MHz,
reception of NDB's from airports is significantly better.
Matt also tests SDRConnect Preview 2 which is SDRplay's new multiplatform
receiver software. It is currently in 'preview', so features are still being
added, and there may be bugs. In the video Matt shows a few of the new features
in SDRConnect Preview 2 including band selection buttons, IQ recorder,
asymmetrical, notch filtering and the remote server feature which allows SDRplay
devices to be used over a network or internet connection.
The NEW RSP1B SDR Receiver From SDRPlay
Watch this video on YouTube
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Written by admin Leave a comment Posted in News, SDRplay Tagged with rsp1b,
sdrconnect, sdrplay
January 30, 2024
A KRAKENSDR TO TAK INTERFACE CONVERTER
Thank you to RTL-SDR.COM reader Aaron, who recently found a Kraken-to-TAK
converter made by "SignalMedic" and "dngrssgnls" which converts the KrakenSDR
bearing output data to "Cursor on Target" (COT) or XML format, allowing common
TAK interfaces to read and display the data. Currently the converter allows a
line of bearing to be displayed in a TAK app, with arbitrary length. The
converter consists of a single json file for Node Red. The GitHub readme reads:
> Convert data from a Kraken SDR to TAK endpoints
>
> The software will parse information collected by Kraken, convert to COT and
> XML and send to common TAK interfaces. The length of the line is arbitrary.
> The line is 6km long, but has no correlation besides bearing to the
> transmitter. Intersecting bearing lines are necessary for determining the
> geolocation of a transmitter.
>
> Planned improvements include:
>
> * Button for persisting the current line and generating a new UID
> * Work on filtering out by DOA Angle node
> * Dashboard for easier updating of Kraken and TAK endpoints
> * Simplified deployment
We note that most TAK apps may be a little limited for direction finding
purposes as they cannot calculate bearing intersections over time, or calculate
a bearing grid like the KrakenSDR Android app, and KrakenSDR online web mapper
does. However, often a single line of bearing is enough information, especially
if there are multiple distributed units contributing bearing data.
If you weren't already aware, KrakenSDR is our 5-channel coherent radio based on
RTL-SDRs, and it can be used for applications like radio direction finding. It
can be purchased on Crowd Supply.
TAK (Tactical Assault Kit) is software used by the military and other
organizations for visualizing geospatial information such as enemy and friendly
positions. Civilian versions of TAK also exist, such as ATAK for Android.
Previously we posted about how ATAK has the ability to plot aircraft positions
via an RTL-SDR receiving ADS-B.
KrakenSDR bearing data displayed on a TAK app.
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RTL-SDR Tagged with ATAK, krakensdr, rtl-sdr, rtl2832, rtl2832u, TAK
January 29, 2024
SDRPLAY LAUNCHES THE RSP1B
SDRplay, a manufacturer of popular low cost software defined radio devices have
just launched their "RSP1B" model. This is a refresh of their popular lowest
price model, the RSP1A. The changes include a new steel enclosure, significantly
improved noise performance under 1 MHz and in the 50 - 60 MHz region,
noticeable noise improvements in the 3.5 - 5.5 MHz and 250 - 320 MHz range, and
improved signal handling at HF frequencies.
The RSP1A remains for sale at US$117 + shipping, and the new RSP1B sells for
US$132.25 + shipping.
SDRplay introduces the RSP1B SDR receiver
Watch this video on YouTube
Their press release reads:
> SDRplay Limited is announcing the launch of a new Software Defined Radio
> receiver product – the RSP1B. The RSP1B is an enhanced version of the popular
> RSP1A powerful wideband full featured 14-bit SDR which covers the RF spectrum
> from 1kHz to 2GHz. The RSP1B comes in a rugged black painted steel case and
> has significantly improved noise performance. All it needs is a computer and
> an antenna to provide excellent communications receiver functionality. It
> comes with a choice of SDRunoTM for Windows and multiplatform SDRconnect (TM)
> SDR software for Windows, MacOS and Linux (supplied free of charge by
> SDRplay). It allows users to monitor up to 10MHz of spectrum at a time. A
> documented API allows developers to create new demodulators or applications
> around the platform.
>
> The RSP1B has the following additional benefits compared to our lowest cost
> device, the RSP1A:
>
> 1. It is housed in a strong black painted steel case.
> 2. It has significantly improved noise performance below 1MHz (i.e. for MF,
> LF and below), and in the 50-60
> MHz region. There are also noticeable noise improvements in the 3.5-5.5MHz
> and 250-320MHz spectrum.
> 3. It has improved signal handling at HF frequencies.
>
> For more information, please go to www.sdrplay.com/RSP1B
>
> As is the case for the other RSP family members, SDRplay will work with the
> developers of the popular third party SDR receiver software packages to
> maximise compatibility. SDRplay will also provide multiplatform driver and API
> support which includes Windows, Linux, Mac, Android and Raspberry Pi.
>
> The RSP1B is available to purchase direct from SDRplay or from SDRplay’s
> authorised resellers where it is expected to retail at approximately £106 GBP
> or $133 USD (excluding taxes or shipping). A list of SDRplay’s authorised
> resellers can be found at www.sdrplay.com/distributors/
>
> For more information visit the SDRplay website on www.sdrplay.com
>
> About SDRplay:
>
> SDRplay limited is a registered UK company, with registered offices in the UK
> and Ireland.
>
> UK: SDRplay Limited, 21 Lenten Street, ALTON, Hampshire, GU34 1HG, UK,
> Registered Number: 09035244
>
> Ireland: The Black Church, St Mary’s Place, Co. Dublin, D07 P4AX, Ireland,
> Registered Number: 3591295EH
>
> Correspondence Address: PO Box 1180, Princes Risborough, HP22 9TD, United
> Kingdom
>
> Contact email: jon.hudson@sdrplay.com
The SDRplay RSP1B
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Written by admin Leave a comment Posted in SDRplay Tagged with RSP1A, rsp1b,
sdrplay
January 19, 2024
MULTIPLE COMPREHENSIVE TUTORIALS ON WEATHER SATELLITE DECODING
Over on his website "Jacopo's Lair" IU1QPR (@original_lego11) who is also a
developer for SatDump has written up many tutorials about weather satellite
decoding that involve the use of SatDump. SatDump is a popular piece of software
often used with RTL-SDRs and other low cost SDRs for decoding weather satellite
images.
With a small satellite dish, feed, RTL-SDR and LNA+filter and the SatDump
software it's possible and download beautiful images of the earth from many
geostationary and polar orbiting weather satellites. We note that we are
currently taking pre-orders on Crowd Supply for our Discovery Dish system, which
is low cost hardware designed to help users get started with weather satellite
reception.
Over on Reddit IU1QPR has created a listed summary of all the tutorials he's
written. These are currently the most up to date and comprehensive tutorials
that we have found on this topic. The tutorials cover everything from what
satellites are available, what dish sizes you need, what SDRs can be used, what
LNA+filter and other hardware you need, and how to use the SatDump software.
> SATELLITE RECEPTION AND DECODING
>
> * APT (NOAA POES) satellites
> * LRPT (METEOR-M) satellites
> * HRPT satellites
> * NOAA 2 satellite
> * CORIOLIS satelliteWARNING: CORIOLIS has had a safing event, and is not
> transmitting data from WindSat currently.
> * S-band satellites reception guide
>
>
> AUTOMATED STATIONS
>
> * Automated weather satellite receiving station on Windows (meant mostly as a
> replacement for the outdated Orbitron/DDEClient/SDR#/WXtoIMG stations)
> * NEWAutomated weather satellite station on Linux/Raspberry Pi (Please send
> feedback!)
>
>
> SATDUMP USAGE
>
> All have been moved to SatDump's documentation page
>
>
> SATELLITE DATA PROCESSING AND USAGE
>
> * Predict the weather with satellite imagery you received! (still WIP, will
> be updated regularly as more and more features are added to SatDump)
From IU1QPR's HRPT tutorial: What various HRPT signals look like on the
spectrum.
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Written by admin 2 Comments Posted in Antennas, Applications, Discovery Dish,
RTL-SDR, Satellite Tagged with discovery dish, HRPT, rtl-sdr, rtl2832, rtl2832u,
satellite, weather satellite
January 18, 2024
SDR++ ANDROID APK NOW SUPPORTS THE RTL-SDR BLOG V4
Thank you to SDR++ developer Ryzerth who has let us know that RTL-SDR Blog V4
support has recently been added to the nightly build of the APK. With this
release, Android is now fully supported by the RTL-SDR Blog V4 via Martin
Marinov's SDR Driver app (which many SDR applications connect to), SDRAngel and
now SDR++.
A reminder: With SDR++ you may find that you will need to close (using the task
manager on Android) and reopen the app a couple of times before it will detect
an RTL-SDR dongle.
If you enjoy SDR++ please consider supporting the developer on Patreon.
Blog V4 Receiving Broadcast FM on Android with SDR++
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with android, rtl-sdr, rtl2832, rtl2832u, sdr#
January 18, 2024
A TRIBUTE TO AMATEUR RADIO ASTRONOMER JOB GEHENIAU (JOB’S RADIO TELESCOPE)
Job Geheniau was someone whose amateur radio astronomy projects were often
featured on RTL-SDR Blog (often referred to as Job's Radio Telescope). It with
great sadness that we have recently learned that Job Geheniau passed away from
cancer in late December 2023. We would like to take the time share this post to
highlight some of his achievements in the amateur radio astronomy field.
Back in 2020 Job first surprised us with one of his first radio astronomy
results (Part 1, Part 2) where he was able to image the Milky Way in neutral
hydrogen by using a 150cm dish, RTL-SDR, LNA and motorized mount. Over eight
nights he recorded hydrogen line readings throughout the Milky Way and ended up
creating a 2D Excel sheet that showed an image of the Milky Way at the 1420 MHz
hydrogen line frequency.
Job would go on, rapidly evolving and each time showing us that low cost
hardware set up in a backyard could be used to unlock many of the secrets of the
universe. Using a satellite dishes less than two meters in diameter, RTL-SDRs,
LNAs and filters he was able to:
* Measure the basis for the dark matter hypothesis
* Image the Cygnus star forming region
* Image the Cassiopeia A supernova remnant
* Detect interstellar high velocity clouds
* Detect pulsar B0329+54
* Observe the Cygni red supergiant
* Observe maser W3
Job's Radio Astronomy website remains up at
https://jgeheniau.wixsite.com/radio-astronomy, and many results and writeups of
his other experiments can be found there. We will sorely miss posting about
Job's achievements, but we hope that his life has inspired you to take a closer
look at the amateur radio astronomy hobby.
A tribute to Job will also be published in the next membership journal from the
Society of Amateur Radio Astronomers.
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Astronomy, RTL-SDR Tagged with hydrogen line, job's radio telescope, pulsar,
radio astronomy, rtl-sdr, rtl2832, rtl2832u
January 12, 2024
BUILDING A DRONE TRACKING RADAR WITH THE ADALM-PHASER AND PLUTOSDR
The ADALM-PHASER is a kit designed to provide experience with phased array
beamforming and radar concepts. The kit consists of a PlutoSDR, mixers, LO
synthesizer, ADAR1000 beamformer chip, LNAs and array of patch antennas. It
operates between 10-11 GHz, has 500 MHz BW FMCW chirps, and has 8 receive
channels and 2 transmit channels. It is an open source kit that costs US$2800,
and it is produced and available from Analog Devices. Currently the kit appears
to not be in stock, but they note that they are working on getting more stock in
soon.
The ADALM-PHASER a phased array kit for implementing radar and other phased
array experiments.
Over on YouTube, Jon Kraft who appears to be affiliated with Analog Devices, is
working on a series of videos that will ultimately result in a drone tracking
radar being built with the ADALM-PHASER. Currently two videos have been
released.
The first is an overview of radar concepts, giving an explanation of pulsed vs
CW radar, and the various hardware options we have to implement low cost
versions of these methods.
The second video covers more radar concepts like range resolution and shows us
how to build a CW radar with the ADALM-PHASER system.
The three remaining videos are yet to be released, so keep an eye on his channel
for updates.
Build Your Own Drone Tracking Radar: Part 1
Watch this video on YouTube
Build Your Own Drone Tracking Radar: Part 2 CW Radar
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Written by admin 4 Comments Posted in Antennas, Applications, PlutoSDR, RTL-SDR
Tagged with ADALM-PHASER, phased array, plutosdr, radar
January 12, 2024
TECH MINDS: VIDEO ON DJI DRONE DETECTION ON THE ANTSDR E200
Just recently we posted about the release of some firmware for the AntSDR E200
which allows it to decode DJI DroneID. DroneID is a protocol designed to
transmit the position of the drone and operator to authorized entities such as
law enforcements and operators of critical infrastructure.
In his latest video Matt from the Tech Minds YouTube channel shows this firmware
in action. In the video he first shows how to install the firmware, and how to
connect to its serial output. He goes on to test it with his DJI Mini 4 Pro and
show some live DroneID frames being decoded.
DJI Drone Hacking Using Software Defined Radio ANTSDR E200
Watch this video on YouTube
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Written by admin Leave a comment Posted in Applications, Security Tagged with
antsdr, AntSDR E200, DJI, drone, droneID, quadcopter
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