nrsc5
rtl_433
nrsc5 | rtl_433 | |
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22 | 172 | |
767 | 5,788 | |
1.6% | - | |
6.2 | 9.3 | |
4 days ago | 1 day ago | |
C | C | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 only |
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nrsc5
- Nrsc5: Receive NRSC-5 digital radio stations using an RTL-SDR dongle
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Listen to HD radio with a $30 RTL SDR dongle
That decision was made by the original author (Andrew Wesie), but I think it makes sense because nrsc5 only needs a tiny fraction of the functionality that GNU Radio provides. Implementing the functionality directly in nrsc5 avoids the need for a large and complex dependency.
One downside is that we don't get the broad hardware support that GNU Radio provides, but maybe we'll someday take another crack at integrating SoapySDR. (See https://github.com/theori-io/nrsc5/pull/131 for an earlier experiment with that.)
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Why does the spectrum analyzer have a square wave by 102.25 MHz, I see the often in FM broadcasting.
That's HD radio, the sidebands are digital audio. It can be decoded with nrsc5 and an rtl-sdr.
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What is the divergence point of streaming AAC overtaking OTA FM audio quality ?
An article called "Decoding and Listening to HD Radio (NRSC-5) with an RTL-SDR" links to a security researcher's write-up called "Receiving NRSC-5" about how they wrote the software to do it. That links to the actual nrsc5 software on GitHub.
- Square waves in WFM broadcast?
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Looking for a good AM/FM Radio sollution
There is loads of software that will work such as SDR++, GQRX, CubicSDR, and SDRangel just to name a few. For HD radio reception, there is nrsc5. Nrsc5 only works with an rtl-sdr, so you will need one if you want to receive HD radio.
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Can I be tuned in to multiple FM stations at once?
In theory could https://github.com/theori-io/nrsc5 be listening to all hd radio at once?
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Thousands of Mazdas in the Seattle area are stuck on a single FM radio station
HD Radio is closed and proprietary, but there is at least one FOSS receiver out there: https://github.com/theori-io/nrsc5
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What are these bands to the left/right of the two main CBC signals? Not RDS, but appears to be data of some sort? The FM station at 90.7 and 91.5 are both CBC (French & English broadcasts).
NRSC5 is a decoder that I use. If you are on windows there are a couple of extra steps you have to take compile it, but it works well! They have a newer one with a GUI that can also display album art.
rtl_433
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Reverse engineering a car key fob signal
And there's a multiformat receiver block too: https://github.com/merbanan/rtl_433
- What is this signal?
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Error handling in a failing service
pi@pi4b8:/etc/systemd/system $ cat rtl_433.service # based on https://github.com/merbanan/rtl_433/issues/1651 [Unit] Description=RTL_433 service script StartLimitIntervalSec=5 Documentation=https://github.com/merbanan/rtl_433/README.md After=syslog.target network.target [Service] Type=exec ExecStart=/usr/bin/rtl_433 -C si -F mqtt # Restart script if stopped Restart=always # Wait 30s before restart RestartSec=30s # Tag things in the log # View with: sudo journalctl -f -u rtl_433 -o cat SyslogIdentifier=rtl_433 StandardOutput=syslog StandardError=syslog [Install] WantedBy=multi-user.target
- seeking help with 433Mhz remote integration
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Create a subghz file from known data?
For example, rtl_433 has the spec for an X10 sensor say I know what data I want to put where, is there some tool/site I could enter in what the "specifications" of the signal waveform are and the data I want to send as a byte-string or binary-string and it would create a playable .sub file for me?
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New Guy: Outdoor Thermostat / automated fan start/stop.
For "outdoor distances" I'd probably stick to something LoRa or 433MHz based. YoLink has quite a few options using the LoRa protocol. I use basic 433Mhz based AcuRite sensors paired with an RTL-SDR dongle connected to a machine running RTL_433, and use Home Assistant to trigger automations and alerts.
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Mystery signal?
866-868MHz is SRD/ISM band (in UK/EU). Can be things like energy meters, TPMS, medical devices etc. Try rtl_433 on it.
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Problem trying to listen to a Honeywell doorbell (RF 868 Mhz) with RTL-433
I'm trying to add a Honeywell doorbell to Home Assistant by using the RTL-433 GitHub project/program. When I run the program the SDR dongle is detected but it doesn't display anything when I press the doorbell (the image shows what I see after running the program and pressing the doorbell). I have also tried Honeywell Activelink (FSK) aka [116], so I have tried both 115 and 116 decode protocols.
- Elster TPR11 water meter reader
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Next Mileston for an RTL-SDR newbee?
rtf_433 IoT & embedded device signal receiving https://github.com/merbanan/rtl_433
What are some alternatives?
sdrangel - SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay RSP1 and FunCube
rtl-wmbus - Software defined receiver for wireless M-Bus with RTL-SDR
nrsc5-gui - A graphical interface for nrsc5
rtlamr - An rtl-sdr receiver for Itron ERT compatible smart meters operating in the 900MHz ISM band.
nrsc5-dui - An enhanced, user-friendly version of nrsc5-gui that is not heavily dependent upon Python processing for audio generation.
ESPHome-VideoDoorbell - Doorbell made using ESPHome with a TTGO T-Camera
dsd - Digital Speech Decoder
mayhem-firmware - Custom firmware for the HackRF+PortaPack H1/H2
yellowShoes - nrsc5 (HD FM) radio player
SDRPlusPlus - Cross-Platform SDR Software
docker-rtlsdrairband - Docker container to run rtlsdir-airband + ice cast to stream ATC audio locally or to a remote server
multimon-ng