RTLSDR-Airband
gnss-sdr
RTLSDR-Airband | gnss-sdr | |
---|---|---|
21 | 13 | |
708 | 1,485 | |
- | 1.9% | |
7.0 | 9.0 | |
about 1 month ago | about 22 hours ago | |
C++ | C++ | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
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RTLSDR-Airband
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Listen to HD radio with a $30 RTL SDR dongle
You're all correct, except there are not that many $30 SDRs out there. Also, most SDRs have clearly superior capabilities to the RTL-SDR, though those capabilities often are not required.
BTW, for simple AM/FM demodulation I cannot recommend enough the handy https://github.com/charlie-foxtrot/RTLSDR-Airband. For example most of LiveATC.net feeds run on it.
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Automatic recording app for Linux?
rtlsdr_airband, but again requires knowing the frequencies of interest ahead of time.
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I'm back into it 2 years later
You may want to give RTLSDR-Airband a look. Its designed for analog AM/NFM voice traffic and can be configured to operate on any frequency your rtlsdr dongle can handle. It can also be configured to output to an mp3 file, in addition to other things like IceCast.
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Raspberry Pi RTL_Airband
There’s an example service config file in the repo: https://github.com/charlie-foxtrot/RTLSDR-Airband/blob/main/init.d/rtl_airband.service
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Streaming audio from local UDP source
I have been streaming the output from RTLSDR-Airband (https://github.com/charlie-foxtrot/RTLSDR-Airband) with icecast2 for several (5?) Years now, and I have some time and inclination to look at reducing latency (currently best is 10s, but often much more.)
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Airband receiver
https://github.com/szpajder/RTLSDR-Airband Might be what you are looking for, although I don't know the performance requirements. It has a scan mode detailed here: https://github.com/szpajder/RTLSDR-Airband/wiki/Configuring-channels-for-scan-mode
- What software would I need to use to listen to airband? (mac or linux)
- Help\ideas for base station, some guidance needed
- timestampSDR
- Looking for (working) RF-Monitor
gnss-sdr
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Just scrolled past a certain sarcastic Flatwittoid poast about not beïng able to see satellites in photographs. The whole frame of this represents *one single pixel of a high resolution* image, & the smiley represents a satellite. Details inside.
You realise you can write software yourself to interpret the signals from GPS satellites? Here's an open-source implementation.
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Looking for someone with more experience in the flat earth debate that can review and expand my comment posted in the truckers subreddit.
Something I always enjoy pointing out is that GPS signals can be decoded by anybody, the source code is available here. Needless to say, there are references and calculations based on satellites all over it.
- Need some Guidance for Setup
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Calculating Position from Raw GPS Data (2017)
If you're interested in running some code, there's [1] which is fairly active, but as I recall is Linux only. There is also [2] which is a Matlab (or Octave) GNSS receiver implementation; quite well documented and informative. It's meant to be a companion to the author's book [3], which itself I found quite concise and approachable.
[1] https://github.com/gnss-sdr/gnss-sdr
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How do flat earthers think GPS works?
They like to pretend it is using towers or balloons or something else, none of them have ever coherently answered it with a viable way this could result in the GPS we can use from the device in our pocket. It also casually expands the circle of people involved in this conspiracy by thousands, to include all developers at Apple and other phone manufacturers that write/maintain the GPS components of their OS as well as contributors to open source projects like GNSS-SDR, an open-source software-defined GNSS receiver.
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How do Flat Earthers explain satellite radio and GPS?
People also have to write the software to compute your location from these broadcasts, this means basically every company that has produced GPS receivers would have to be in on it. But there's an open source one, surprisingly nobody has raised an issue as to why it contains all this weird code that doesn't make sense if it's not coming from a satellite.
- GPS Coordinates
- Output argument X not assigned in the execution with Y function
- GPS
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Using GPS-SDR-SIM
GNSS-SDR
What are some alternatives?
openwebrx - Open source, multi-user SDR receiver software with a web interface
multi-sdr-gps-sim - multi-sdr-gps-sim generates a IQ data stream on-the-fly to simulate a GPS L1 baseband signal using a SDR platform like HackRF or ADLAM-Pluto.
sdrangel - SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay RSP1 and FunCube
gnuradio - GNU Radio – the Free and Open Software Radio Ecosystem
dumphfdl - Multichannel HFDL decoder
gps-sdr-sim - Software-Defined GPS Signal Simulator
rtl_433 - Program to decode radio transmissions from devices on the ISM bands (and other frequencies)
AIS-catcher - AIS receiver for RTL SDR dongles, Airspy R2, Airspy Mini, Airspy HF+, HackRF, SDRplay and SoapySDR
airspy-fmradion - Software decoder for FM/AM broadcast radio with AirSpy R2 / Mini, Airspy HF+, and RTL-SDR
wmbusmeters - Read the wired or wireless mbus protocol to acquire utility meter readings.
gnuradio-android - GNU Radio Android Toolchain