rtl-power-fftw
SigDigger
rtl-power-fftw | SigDigger | |
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16 | 9 | |
151 | 883 | |
1.3% | - | |
0.0 | 2.6 | |
9 months ago | 26 days ago | |
C++ | C++ | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
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rtl-power-fftw
- Export near real-time trace
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Using SDR to make .CSV files for Wireless Workbench
https://github.com/AD-Vega/rtl-power-fftw can help. This can be easily piped for various outputs and works with GNUPlot off the bat. Use this on an Android based SDR for foxhunting and Signal seeking.
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how can I find other signals to listen to?
I like to use rrl_power_fftw
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Frequency hopping driveway sensor?
You could use rtl_power_fftw to better record the wider band over a time period. This is similar to rtl_power from librtlsdr, but is more efficient and can dwell for as little as 100ms on any 2.4MHz window (24MHz done in 1 second, f.e.). You can then plot this data through GNUPlot to get visual representations.
- Any fun ideas for introducing SDR to my 81 year old dad?
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Comparing receive capabilities of antenna
These are made using rtl-power-fftw and GNUPlot
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Laptops with lowest RFI?
I have a rooted Android with an RTL-SDR attached, which I'd take with me if buying a new laptop. I'd sit near the laptop's on display with a stubby duck in the SDR and use rtl-power-fftw to rapid scan 27-1724MHz (fastest is 100ms dwell at 2.4MSps). Takes a minute or two and can be fed into GNUPlot to give you a pretty graph of signals seen. Do it at a low gain and any spikes you see are likely from those sources.
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What do you use your homelab for?
rtl-power-fftw
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Passive signal collection?
Look into rtl_power_fftw. It can be run for hours on any host (including a Raspberry Pi) and the spectrum results examined later.
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Rtl_power scanner logic
rtl_power_fftw is likely more well suited. It's multithreaded, so can sample IQ and process the data as it samples. It's also faster and uses libfftw for processing (faster and more accurate). Outputs more friendly, too. I use this in part with a signal heatmap project; https://www.reddit.com/r/RTLSDR/comments/ifer8j/progress_on_the_android_sdr_linuxdeploy_rtl_power/
SigDigger
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Any advise welcomed
Local playback? SigDigger is highly recommended: https://batchdrake.github.io/SigDigger/ – it also supports different data modes.
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Just bought a rtl-sdr. Linux software - what is not rubbish.
SigDigger is good for a playback of prerecorded full-spectrum files (also called IQ files). Has the time slider, so if you missed anything you can rewind. https://batchdrake.github.io/SigDigger/
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Reading baseband iq recordings
For just playing back the wideband recordings SigDigger is a good option.
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Where to start with signal ID?
There is good software for identifying the type of modulation used, and demodulating it, for example SigDigger
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Is there a way to rip audio directly from an IQ file?
SigDigger: https://batchdrake.github.io/SigDigger/ The best thing is that it can move through time and frequency, so you can go back / forward if you need to.
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SDR over a network
I'd like to add to the answers a fantastic yet relatively unknown piece of software called SigDigger. It is a GUI for suscan. You can run a suscan device server at the raspi and run a remote SigDigger instance. Network bandwidth is minimal because only the FFT and demodulated signal is sent. https://github.com/BatchDrake/SigDigger
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Decoding radio-controlled bus stop displays (2013)
https://batchdrake.github.io/SigDigger/
> people downloading telemetry data from space probes
Monitoring JWST transmissions, if doable, might be the next milestone for Ham Radio.
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What OS has the best software for RTL-SDR? I currently use gqrx but feel its limited.
SigDigger
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Oscilloscope/Wefax type graphing app -- does this exist?
Hi, you can use Sigdigger to perform this task, using FSK inspector. After some tweaking you will be able to display Wefax image. You'll perhaps need to perform line alignment at start. example : https://twitter.com/BatchDrake/status/1216072630698156033?s=20 SigDigger sources As note I can add the purpose of SigDigger is not to decode Wefax, and there are many features ! Hope this can help
What are some alternatives?
rtl-sdr - library for turning a RTL2832 based DVB dongle into a Software DefinedReceiver; mirror from https://gitea.osmocom.org/sdr/rtl-sdr
SDRPlusPlus - Cross-Platform SDR Software
rtl_433 - Program to decode radio transmissions from devices on the ISM bands (and other frequencies)
sdrangel - SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay RSP1 and FunCube
noaa-apt - NOAA APT weather satellite image decoder, for Linux, Windows, RPi 2+, OSX and Android+Termux
SoapySDR - Vendor and platform neutral SDR support library.
SoapySDRPlay3 - Soapy SDR plugin for SDRPlay APIv3
nrsc5 - NRSC-5 receiver for rtl-sdr
multimon-ng
CubicSDR - Cross-Platform Software-Defined Radio Application