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This program contains algorithms to demodulate and decode AIS messages sent by ships and coast stations. You will need to connect it to the discriminator output of a VHF receiver to make it work. The source code for gnuais is maintained on Github. You can clone the repository by running: git clone GNU AIS - Automatic Identification System for Linux GNU AIS - Automatic Identification System for Linux

The Comprehensive GNU Radio Archive Network (CGRAN) is a free open source repository for 3rd party GNU Radio applications that are not officially supported by the GNU Radio project. CGRAN provides a subversion repository for users to develop or submit new applications, and wiki access for full project documentation. Trac (our web interface) provides unique features such as a browser for the subversion repository and a ticket system for users to file issues with projects in CGRAN. CGRAN is a great way to find GNU Radio projects to use, build from, or gain exposure to a project you have built. Each project in CGRAN has a project page which provides basic information about the project such as a description, maintainers, how to install, and how to run. You do not need to register an account to access the project pages and download the applications in CGRAN. The Comprehensive GNU Radio Archive Network (CGRAN) The Comprehensive GNU Radio Archive Network (CGRAN)
SDR Tube - Education and Entertainment
The long lost documentation Rtl_fm is a little utility I wrote for the rtl-sdr project. The program was made to fill a gap in software defined radio: all the computers weaker than a Pentium 4. Basically, an Atom processor processor does not have enough oomph to demodulate something as simple as narrow band FM using the standard tools. (Recently a high performance FM demodulator was released, Simple FM but it works only passably on newer Atoms.) Rtl_fm Guide: The long lost documentation Rtl_fm Guide: The long lost documentation
Rtl_fm Guide: The long lost documentation
Software Defined Radio is a Windows console for Software Defined Radio (SDR) receivers and transceivers. Designed for the commercial, government, amateur radio and short-wave listener communities, the software provides a powerful interface for all SDR users. GmbH is working very closely with RFspace Inc. of Atlanta, Georgia, USA to bring you the best SDR experience available today. Software Defined Radio
HamTestOnline™ Note: In 2007 the FCC eliminated the Morse code requirement for all classes of amateur radio licenses. Of course, while there are no more Morse code exams , l ots of ham radio operators still use Morse code, and you're free to join in. Read reviews on eHam of various Morse code tutoring programs (including some excellent free ones). HamTestOnline™
聯絡資料 - 中華業餘無線電研究會
RTL-SDR - Google+ RTL-SDR - Google+ Software Defined Radio (SDR) On April 1st (no joke) I posted a project for a simple up converter that allows for HF reception using one of those cheap DVB-T digital TV dongles. I'm using the SDR# (SDR sharp) software. I highly recommend that you at least begin with SDR#, as I found it to be much simpler to get working, and also if you are using an older, or less powerful computer, it is less CPU intensive. I mentioned in a previous post that I've found these DVB-T dongles to have rather poor sensitivity, so I'm using that broadband preamplifier, and it really does pull the signals out of the noise floor. I'm really amazed at the audio quality, but judge for yourself.
A subreddit dedicated to the RTL-SDR project , which can make certain cheap Realtek RTL2832U based USB TV tuners function as general purpose software defined radio (SDR) receivers. Feel free to ask questions, start discussions or post news, articles, etc. (Subscribe via the link above, and post via the link lower down) Frequency range 1 : 22 - 2200 MHz (max) Sample rate: 3.2 MS/s (max) Resolution: 8 bits/sample Noise figure 1 : < 4.5 dB Software support: GNU Radio, Winrad, HDSDR, etc. Receivers implemented: AM/FM, GSM, P25, ADS-B, TETRA, GMR, GPS, etc. RTL-SDR community on Reddit RTL-SDR community on Reddit
GNU Radio GNU Radio Project members: Zhifeng Chen, Ke-yu Chen Advisor: Prof. Dapeng Oliver Wu || Introduction || Background || Result || Download || Related Work || Useful Links || Introduction GNU Radio
rtl-sdr on Ubuntu It was recently discovered that several cheap DVB-T usb dongles could be configured to be used as cheap ham radio receivers. Follow along with the discussions here: or find some of the useful software here: I picked up one of the compatible receivers from ali-express: rtl-sdr on Ubuntu
Project details Project details DVB USB framework contains general routines used by almost every USB digital television devices. Individual DVB USB device uses framework services by implementing callbacks and variables that framework then uses. Current structure contains too much static data and it causes many problems as new devices are too dynamic. Update it to fit need of new "dynamic" devices. DVB frontend is logical entity representing digital television device to user-space. Currently individual device driver does lot of parameter valid checks.
Dump1090 program
Over on the SDRSharp Yahoo group, HB9AJG has posted an interesting report in a PDF file containing some measurements (Note you will need to be a member of the group to download the file titled “Some Measurements on E4000 and R820 Tuners.pdf”. Here is a Direct Mirror of the file.) quantifying the performance of both the E4000 and R820T RTL-SDR DVB-T dongles. See the discussion in the Yahoo group here. R820T Archives - RTLSDR Scanner Copyright 2012 - 2014 Al Brown al [at] EarToEarOak/RTLSDR-Scanner
Josh Knows | Welcome to Hi, I'm Josh Blum. This site is for me and my projects. Recent GNU Radio work
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Home | GNSS-SDR - An Open Source Global Navigation Satellite System Software Defined Receiver
sdr-radio-com :
How To Build an FM Receiver with the USRP in Less Than 10 Minutes
TerraTec Cinergy T Stick+
operation with a Realtek RTL2832U USB dongle DVB-T receiver | GNSS-SDR - An Open Source Global Navigation Satellite System Software Defined Receiver
kochmorse - Koch Morse Tutor for Linux
TV28Tv2DVB-T(R820T)国産水晶振動子( Xtal MADE IN JAPAN)交換のススメ 周波数のズレ大幅に改善! : KG-ACARS HFDL VDL MCAに感謝 受信方法 受信記録のブログ
You can see the difference by comparing the substrate is the difference between a USB TV tuner E4000 R820T crystal oscillator mounting method. (TV28Tv2DVB-T is recommended solder fix) Blog: Thanks receiving method receiving record in KG-ACARS HFDL VDL MCA
I tried to replace USB TV tuner TV28Tv2DVB-T (R820T) MCX (J) → BNC to (J). : The blog of appreciation reception reception method recorded in the KG-ACARS HFDL VDL MCA
RTL2832 Software Defined Radio
gr-air-modes – The Comprehensive GNU Radio Archive Network (CGRAN)
哈罗CQ火腿社区 - 卫星和空间通信 - 教程来了-rtl-sdr,RTL2832+E4k tuner电视棒跟踪飞机轨迹(1090MHz ADS-B/TCAS/SSR信号) - Powered by phpwind
phasor - Phased Array Processing for Software Defined Radio
ATPDEC Home Page
Software-defined Radio on a Shoestring
HDSDR Homepage
RTLSDR: My First SDR! « AndrewNohawk
GNU Radio Blog
Simple DVB with Gstreamer and GNU Radio - MyLabWiki
JACK | connecting a world of audio
Linux Software [ wiki]
Realtek git repositories
Software Defined Radio (SDR) on the EzTV645 w/ RTL2382U and FC0013 |
GNSS SDR Toolkit for MATLAB® | ChameleonChips
Amateur Radio Exam Generator - Spectrum Management and Telecommunications
RTL2832U - SpenchWiki
Upconverter - opendous - MF/HF Converter for Receivers - Open Hardware designs and related works by Opendous Inc.
Ghpsdr3 SDR project
How to Make a $19 Police Radio Scanner
GRC Examples
Adding ADS-B, ACARS, and ATC Audio to PlanePlotter Using Multiple RTL2832U Sticks | Ham Radio Science
PlanePlotter from COAA
Hacking the Raspberry Pi: Wearable computer and software defined radio | bmillerjacobson
GNU Radio - GNURadioCompanion -
RTL2832 / RTL2838 DVB-T
Linux: Multimon Radio Transmission Decoder
PWN SDR: RTL-SDR for Pwn Plug
openLTE / Home / Home
GNU Radio Projects
GNU Radio Blog
software radio - Google+
gr-osmosdr - Gnuradio block to work with OsmoSDR and rtl-sdr
RealTek RTL2832U
GNSS-SDR | Free software downloads at SourceForge
GNSS-SDR: gnss-sdr-developers
RDS reception using SDR - Live flight tracker!
How to Make a $19 Police Scanner
Search - #gnuradio
rtl-sdr – OsmoSDR
RTL2832U _淘寶搜索
The ultimate software for your SDR station
Untitled Document
Software Defined Radio Resources | Ham Radio Science
Research - Products
RTL2832U - SpenchWiki
Gr-baz - SpenchWiki
Raspberry Pi as Remote Server for RTL2832u SDR | Ham Radio Science
GNU Radio working - finally |
GNU Radio - WikiStart -
RTL-SDR monitors ADS-B with ADSB# and adsbScope
ADSB# – A simple and cheap ADS-B receiver using RTL-SDR | SDR#
SDR Touch
New Linux/GNURadio users, read this before installing! : RTLSDR
RTL-SDR community on Reddit
Software-Defined Radio remotely using a Linux wall wart
List of software-defined radios
RTL – Software Defined Radio
rtlsdr : RTL-SDR Direct SSB generation by frequency modulating a PLL
List of amateur radio magazines
RTL2832U / R820T vs RTL2832U / E4000 | Ham Radio Science
rtl-sdr and GNU Radio w/Realtek RTL2832U and Elonics E4000
SDR# | A Software Defined Radio in C#
Getting Started With RTL-SDR
Getting started with software defined radio
Those USB TV tuners used for SDR can also grab GPS data
GNU Radio - Home
GNU Radio Tutorials: Part 1 - GRC, Sources, Sinks, Audio & GUI Blocks
How to shrink a base-station into a Raspberry Pi | PA Consulting Group
Ettus Research -
GnuRadio 中国 - 做中国最专业的开源软件无线电门户!
Open Broadcaster Software
NW7US - Amateur Radio Station in Omaha, Nebraska - Tomas David Hood