169 lines
9.9 KiB
Markdown
169 lines
9.9 KiB
Markdown
OpenWebRX
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=========
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[:floppy_disk: Setup guide for Ubuntu](http://blog.sdr.hu/2015/06/30/quick-setup-openwebrx.html) | [:blue_book: Knowledge base on the Wiki](https://github.com/simonyiszk/openwebrx/wiki/) | [:earth_americas: Receivers on SDR.hu](http://sdr.hu/)
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OpenWebRX is a multi-user SDR receiver software with a web interface.
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It has the following features:
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- [csdr](https://github.com/simonyiszk/csdr) based demodulators (AM/FM/SSB/CW/BPSK31),
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- filter passband can be set from GUI,
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- it extensively uses HTML5 features like WebSocket, Web Audio API, and Canvas
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- it works in Google Chrome, Chromium and Mozilla Firefox
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- currently supports RTL-SDR, HackRF, SDRplay, AirSpy
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- Multiple SDR devices can be used simultaneously
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- [digiham](https://github.com/jketterl/digiham) based demodularors (DMR, YSF)
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- [dsd](https://github.com/f4exb/dsdcc) based demodulators (D-Star, NXDN)
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- [wsjt-x](https://physics.princeton.edu/pulsar/k1jt/wsjtx.html) based demodulators (FT8, FT4, WSPR, JT65, JT9)
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**News (2019-11-24 by DD5JFK)**
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- There is now a new way to interface with SDR hardware, [owrx_connectors](https://github.com/jketterl/owrx_connector).
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They talk directly to the hardware (no rtl_sdr / rx_sdr necessary) and offer I/Q data on a socket, just like nmux
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did before. They additionally offer a control socket that allows openwebrx to control the SDR parameters directly,
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without the need for repeated restarts. This allows for quicker profile changes, and also reduces the risk of your
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SDR hardware from failing during the switchover. See `config_webrx.py` for further information and instructions.
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- Offset tuning using the `lfo_offset` has been reworked in a way that `center_freq` has to be set to the frequency you
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actually want to listen to. If you're using an `lfo_offset` already, you will probably need to change its sign.
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- `initial_squelch_level` can now be set on each profile.
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- As usual, plenty of fixes and improvements.
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**News (2019-10-27 by DD5JFK)**
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- Part of the frontend code has been reworked
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- Audio buffer minimums have been completely stripped. As a result, you should get better latency. Unfortunately, this also means there will be some skipping when audio starts.
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- Now also supports AudioWorklets (for those browser that have it). The Raspberry Pi image has been updated to include https due to the SecureContext requirement.
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- Mousewheel controls for the receiver sliders
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- Error handling for failed SDR devices
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**News (2019-09-29 by DD5FJK)**
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- One of the most-requested features is finally coming to OpenWebRX: Bookmarks (sometimes also referred to as labels). There's two kinds of bookmarks available:
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- Serverside bookmarks that are set up by the receiver administrator. Check the file `bookmarks.json` for examples!
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- Clientside bookmarks which every user can store for themselves. They are stored in the browser's localStorage.
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- Some more bugs in the websocket handling have been fixed.
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**News (2019-09-25 by DD5JFK)**
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- Automatic reporting of spots to [pskreporter](https://pskreporter.info/) is now possible. Please have a look at the configuration on how to set it up.
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- Websocket communication has been overhauled in large parts. It should now be more reliable, and failing connections should now have no impact on other users.
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- Profile scheduling allows to set up band-hopping if you are running background services.
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- APRS now has the ability to show symbols on the map, if a corresponding symbol set has been installed. Check the config!
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- Debug logging has been disabled in a handful of modules, expect vastly reduced output on the shell.
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**News (2019-09-13 by DD5JFK)**
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- New set of APRS-related features
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- Decode Packet transmissions using [direwolf](https://github.com/wb2osz/direwolf) (1k2 only for now)
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- APRS packets are mostly decoded and shown both in a new panel and on the map
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- APRS is also available as a background service
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- direwolfs I-gate functionality can be enabled, which allows your receiver to work as a receive-only I-gate for the APRS network in the background
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- Demodulation for background services has been optimized to use less total bandwidth, saving CPU
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- More metrics have been added; they can be used together with collectd and its curl_json plugin for now, with some limitations.
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**News (2019-07-21 by DD5JFK)**
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- Latest Features:
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- More WSJT-X modes have been added, including the new FT4 mode
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- I started adding a bandplan feature, the first thing visible is the "dial" indicator that brings you right to the dial frequency for digital modes
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- fixed some bugs in the websocket communication which broke the map
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**News (2019-07-13 by DD5JFK)**
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- Latest Features:
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- FT8 Integration (using wsjt-x demodulators)
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- New Map Feature that shows both decoded grid squares from FT8 and Locations decoded from YSF digital voice
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- New Feature report that will show what functionality is available
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- There's a new Raspbian SD Card image available (see below)
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**News (2019-06-30 by DD5JFK)**
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- I have done some major rework on the openwebrx core, and I am planning to continue adding more features in the near future. Please check this place for updates.
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- My work has not been accepted into the upstream repository, so you will need to chose between my fork and the official version.
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- I have enabled the issue tracker on this project, so feel free to file bugs or suggest enhancements there!
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- This version sports the following new and amazing features:
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- Support of multiple SDR devices simultaneously
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- Support for multiple profiles per SDR that allow the user to listen to different frequencies
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- Support for digital voice decoding
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- Feature detection that will disable functionality when dependencies are not available (if you're missing the digital buttons, this is probably why)
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- Raspbian SD Card Images and Docker builds available (see below)
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- I am currently working on the feature set for a stable release, but you are more than welcome to test development versions!
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> When upgrading OpenWebRX, please make sure that you also upgrade *csdr* and *digiham*!
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## OpenWebRX servers on SDR.hu
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[SDR.hu](http://sdr.hu) is a site which lists the active, public OpenWebRX servers. Your receiver [can also be part of it](http://sdr.hu/openwebrx), if you want.
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## Setup
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### Raspberry Pi SD Card Images
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Probably the quickest way to get started is to download the [latest Raspberry Pi SD Card Image](https://s3.eu-central-1.amazonaws.com/de.dd5jfk.openwebrx/2019-11-24-OpenWebRX-full.zip). It contains all the depencencies out of the box, and should work on all Raspberries up to the 3B+.
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This is based off the Raspbian Lite distribution, so [their installation instructions](https://www.raspberrypi.org/documentation/installation/installing-images/) apply.
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Please note: I have not updated this to include the Raspberry Pi 4 yet. (It seems to be impossible to build Rasbpian Buster images on x86 hardware right now. Stay tuned!)
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Once you have booted a Raspberry with the SD Card, it will appear in your network with the hostname "openwebrx", which should make it available as https://openwebrx/ on most networks. This may vary depending on your specific setup.
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For Digital voice, the minimum requirement right now seems to be a Rasbperry Pi 3B+. I would like to work on optimizing this for lower specs, but at this point I am not sure how much can be done.
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### Docker Images
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For those familiar with docker, I am providing [recent builds and Releases for both x86 and arm processors on the Docker hub](https://hub.docker.com/r/jketterl/openwebrx). You can find a short introduction there.
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### Manual Installation
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OpenWebRX currently requires Linux and python >= 3.6 to run.
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First you will need to install the dependencies:
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- [csdr](https://github.com/simonyiszk/csdr)
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- [rtl-sdr](http://sdr.osmocom.org/trac/wiki/rtl-sdr)
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Optional dependency for improved hardware access (to become mandatory at some point):
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- [owrx_connector](https://github.com/jketterl/owrx_connector)
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Optional dependencies if you want to be able to listen do digital voice:
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- [digiham](https://github.com/jketterl/digiham)
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- [dsd](https://github.com/f4exb/dsdcc)
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Optional dependency if you want to decode WSJT-X modes:
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- [wsjt-x](https://physics.princeton.edu/pulsar/k1jt/wsjtx.html)
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After cloning this repository and connecting an RTL-SDR dongle to your computer, you can run the server:
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./openwebrx.py
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You can now open the GUI at <a href="http://localhost:8073">http://localhost:8073</a>.
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Please note that the server is also listening on the following ports (on localhost only):
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- ports 4950 to 4960 for the multi-user I/Q servers.
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Now the next step is to customize the parameters of your server in `config_webrx.py`.
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Actually, if you do something cool with OpenWebRX, please drop me a mail:
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*Jakob Ketterl, DD5JFK <dd5jfk@darc.de>*
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## Usage tips
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You can zoom the waterfall display by the mouse wheel. You can also drag the waterfall to pan across it.
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The filter envelope can be dragged at its ends and moved around to set the passband.
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However, if you hold down the shift key, you can drag the center line (BFO) or the whole passband (PBS).
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## Setup tips
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If you have any problems installing OpenWebRX, you should check out the <a href="https://github.com/simonyiszk/openwebrx/wiki">Wiki</a> about it, which has a page on the <a href="https://github.com/simonyiszk/openwebrx/wiki/Common-problems-and-their-solutions">common problems and their solutions</a>.
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Sometimes the actual error message is not at the end of the terminal output, you may have to look at the whole output to find it.
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## Licensing
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OpenWebRX is available under Affero GPL v3 license (<a href="https://tldrlegal.com/license/gnu-affero-general-public-license-v3-(agpl-3.0)">summary</a>).
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OpenWebRX is also available under a commercial license on request. Please contact me at the address *<randras@sdr.hu>* for licensing options.
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