rtl-power-fftw
multimon-ng
rtl-power-fftw | multimon-ng | |
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16 | 15 | |
151 | 890 | |
1.3% | - | |
0.0 | 4.3 | |
9 months ago | 4 months 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/
multimon-ng
- Pdw and POCSAG decoding
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message hidden in video from an obscure challenge
I have little experience with decoding radio signals so I don't know if any software decoders are expected to handle the clipping. I tried using multimon-ng and found that its UFSK1200 demodulator can get something out of the audio, but it also keeps repeating Error: stop bit is 0. Bad framing if verbose mode is enabled.
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why am I getting no pages on PDW? I have set EVERYTHING up as per the instructions. I have played with all the settings. nothing
Sorry I gave wrong name, it is multimon https://github.com/EliasOenal/multimon-ng and is capable to decode:
- Funcube dongle with multimon-ng for pocsag decode
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Questions regarding POCSAG receiving
It's likely that the signal is extremely strong. You can probably just pick it up with a short antenna indoors. I used MultiMonNG to decode. It's was pretty boring to be honest.
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Pocsag decoding
Give multimon-ng a whirl. This is CLI based, but can output what it decodes to a simple text file or hex data to do what you need with.
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What do you use your homelab for?
multimon-ng
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A list of things I could do with SDR
POCSAG, FLEX (pagers), Morse, APRS and more with multimon-ng
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What OS has the best software for RTL-SDR? I currently use gqrx but feel its limited.
multimon-ng for decoding various protocols.
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Pager messages
Try this tool; https://github.com/EliasOenal/multimon-ng - It's CLI and you'll ideally want a Linux, but this can decode an awful lot more data modes like such.
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
dsd - Digital Speech Decoder
rtl_433 - Program to decode radio transmissions from devices on the ISM bands (and other frequencies)
direwolf - Dire Wolf is a software "soundcard" AX.25 packet modem/TNC and APRS encoder/decoder. It can be used stand-alone to observe APRS traffic, as a tracker, digipeater, APRStt gateway, or Internet Gateway (IGate). For more information, look at the bottom 1/4 of this page and in https://github.com/wb2osz/direwolf/blob/dev/doc/README.md
noaa-apt - NOAA APT weather satellite image decoder, for Linux, Windows, RPi 2+, OSX and Android+Termux
SDRPlusPlus - Cross-Platform SDR Software
nrsc5 - NRSC-5 receiver for rtl-sdr
sdrangel - SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay RSP1 and FunCube
pagermon - Multimon-ng pager message parser and viewer