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Questions tagged [rtl-sdr]

Use this tag for `rtl_power`, `rtl_adsb`, `rtl_fm`, `rtl_eeprom`, `rtl_tcp`, `rtl_sdr`, and `rtl_test`. Software for using DVB-T USB receivers based on RTL2132 as inexpensive SDR receivers. Part of the Osmocom project.

FROM the description at the rtl-sdr project page:

Software for using DVB-T USB receivers based on RTL2132 as inexpensive SDR receivers.

Part of the Osmocom project. Generates the executables:

  • rtl_power
  • rtl_adsb
  • rtl_fm
  • rtl_eeprom
  • rtl_tcp
  • rtl_sdr
  • rtl_test
51 questions
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2 answers

fatal error: libusb/libusb.h: No such file or directory librtlsdr install for GNU radio

Trying to install rtl-sdr (through git clone git://git.osmocom.org/rtl-sdr.git) thanks to the instructions here but can't go further than make in the first sequence of instructions: cd rtl-sdr/ mkdir build cd build cmake ../ make At my first try I…
Blupon
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3
votes
1 answer

GNU Radio (Companion) gives Python Syntax Error on variable substitution

I'm trying out GNU Radio (Compantion) for the first time right now, having bought an RTL SDR (the SDR SMARt from NooElec) and trying to build a simple FM radio. I have a (reasonably correct) flowgraph and Compilation runs without errors, but when I…
Fl0wless
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3
votes
2 answers

rtl-sdr crashes with "Bus error" when running rtl_tcp or rtl_test

I have an SDR dongle connected on a Raspberry Pi 3 running Kali Linux Arm64. The SDR itself is this particular model Trouble is, whenever I connect to the rtl_tcp server remotely, it exits: rtl_tcp -a 192.168.200.132 Found 1 device(s): 0: …
Amin Shah Gilani
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2
votes
1 answer

RTL-SDR in GNU Radio 3.9

I'm trying to make the RTL-SDR receive WBFM through GNU Radio (with Ubuntu 20.04), with this flowgraph: GNU Radio flowgraph But when I execute, it gives me this error message: gr-osmosdr 0.2.0.0 (0.2.0) gnuradio 3.8.1.0 built-in source types: file…
Foxtrot813
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2
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0 answers

fftwf_plan_dft_1d( ... ) with FFTW fails to be executed

The fftwf_plan_dft_1d(...) line of the following function fails in Ubuntu. It is used for doing FFT on a complex vectors of a length of about 4096 numbers. Please help. TIA This is C code compiled and run in Ubuntu 18.04. There is no issue of…
Shu
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1
vote
0 answers

How to normalize amplitude differeces within the 433Mhz signal burst in GNU Radio Companion?

I'm learning SDR by trying to decode different 433Mhz keyfob signals. My initial flow for capture and pre-processing looks like this: What I get on the sink is: I guess the bits are visible fine and I could proceed to decode it somehow. But I am…
hypers
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vote
0 answers

How to execute an async function in a different thread?

I want to execute powers sync function in a different thread and group the returned value from powers whenever I need it in my main script. I have tried the Threading module of python, but it didn't work for me. I noticed that the async generator…
Mohammed Ayoub Toubal
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1
vote
0 answers

Adalm Pluto works on Ubuntu but NOT on Ubuntu Server 20.04 LTS

I'm running ubuntu server and have tried installing libiio packages from both source and apt-get repositories. I can detect the adalm pluto sdr device with iio_info -s (as root because I have not installed the udev rules) but it does not assume an…
rjm27trekkie
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1
vote
1 answer

Airspy and RTLSDR on same Raspberry pi4 with USB SSD - I/O Error

This is my setup Raspberry PI4 with 8 GB RAM; boot via Sata SSD (in enclosure) connected via USB3 1 USB2 extension cable + Hub which goes to 1 RTLSDR dongle (for ADS-B) and 1 Airspy Mini (for ATC communication). The ADS-B dongle is obviously…
Droid
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1
vote
0 answers

Need to convert tuple into bytes for pyaudio

Working with RTL_SDR I'm trying to play a frequency using python. I can get audio to come from the speakers on a simplified script that doesn't demodulate the FM signal. However when running a code to actually here clear audio the string needed…
nate
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1
vote
1 answer

2FSK Sniffing RFCat with a Yardstick One

I have been banging my head against a wall working on an SDR project with RFCat. In short, I am reverse engineering a sub GHz radio protocol. I have figured out the protocol, and am able to spoof the receiver transmitting from my Yardstick One with…
herzs11
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1
vote
1 answer

Could not find any WX GUI blocks in GNU Radio. How to install it?

Hey I have installed GNU Radio and I could not find any WX GUI blocks in GNU Radio Companion :-( How can I install them? I surely need them because most of my projects need WX GUI Blocks… Hope someone helps me out, and I use Ubuntu 20.04.
ЯVR
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1
vote
1 answer

How can I do a bandpass filter for a specific frequency using rtlsdr as the source?

I am still very new to python and the world of rtlsdr but have a project I'm working on with a Raspberry Pi to essentially trip warning lights when a radio signal is heard. At a high level, my project is using an external antenna for the 2 meter…
Josh White
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1
vote
2 answers

rtl_433 on raspberry pi: Send data to api via http post

I'm receiving the weather data from my weather station with a dongle on my raspberry pi, that has internet connection via wifi. Now I want to send this data to a rails api/app to save it there in a database. The rails app runs on another server, so…
st3ffb3
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1
vote
1 answer

Store data in ( .wav) format from RTL-SDR device using c#

I am able to connect with RTL-SDR using librtlsdr.dll and libusb-1.0.dll by using (https://github.com/nandortoth/rtlsdr-manager) wrapper in c# .netcore3.0 . Started getting sampledata from device by set device frequency. i am getting data in List…
user2797910
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