airspy-fmradion
raspberry-noaa-v2
airspy-fmradion | raspberry-noaa-v2 | |
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4 | 7 | |
132 | 488 | |
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9.1 | 9.8 | |
17 days ago | 6 days ago | |
C++ | Jinja | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
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airspy-fmradion
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Listen to HD radio with a $30 RTL SDR dongle
I have a little hobby project where I record an FM radio music station using a SDR and then remove all the non-music portions for offline listening. I like the music selections the DJs pick, but I prefer not to listen to the DJ commentary and the advertisements.
I evaluated three methods of recording: analog capture from a standalone FM receiver, using this nrsc5 library to record the "HD" radio stream, and using an AirSpy SDR with this library: https://github.com/jj1bdx/airspy-fmradion
Recording the "HD" (what a misnomer) radio was nice in that there was no hiss or multipath effects, but in comparison to the other methods the digital compression artifacts became impossible to un-hear. It seems to top out at about 96 kbps
The airspy-fmradion library has some nice stuff in it to address multipath, resulting in the best audio quality of the three methods I tested.
I use https://github.com/ina-foss/inaSpeechSegmenter to identify which segments of the recordings are speech vs. music.
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How to receive and record fm radio in stereo on the command line
Alternatively, use airspy-fmradion:
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Ubuntu 20.04 SDR FM retransmit to a single user
You might want to look into using https://github.com/jj1bdx/airspy-fmradion instead of rtl_fm for stereo.
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FM stereo decoder? (Linux, command line)
You can use https://github.com/windytan/wfm-tools together with rtl_fm to get stereo, though I prefer https://github.com/jj1bdx/airspy-fmradion
raspberry-noaa-v2
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Listen to HD radio with a $30 RTL SDR dongle
From https://github.com/markjfine/nrsc5-dui#maps :
> Maps: When listening to radio stations operated by iHeartMedia, you may view live traffic maps and weather radar. The images are typically sent every few minutes and will fill the tab area once received, processed, and loaded. Clicking the Map Viewer button on the toolbar will open a larger window to view the maps at full size. The weather radar information from the last 12 hours will be stored and can be played back by selecting the Animate Radar option. The delay between frames (in seconds) can be adjusted by changing the Animation Speed value. Other stations provide Navteq/HERE navigation information... it's on the TODO 'like to have' list.
Is this an easier way to get weather info without Internet than e.g. Raspberry-NOAA and a large antenna?
https://www.google.com/search?q=weather+satellite+antenna+ha... https://github.com/jekhokie/raspberry-noaa-v2#raspberry-noaa... :
> NOAA and Meteor-M 2 satellite imagery capture setup for the regular 64 bit Debian Bullseye computers and Raspberry Pi!
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NOAA photos discord server
The project was based on https://github.com/jekhokie/raspberry-noaa-v2
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I get good NOAA images with my DIPole. Should meteor look any better. Here are pictures of NOAA and METEOR. What is with the black and blue lines?
Here is the pic of the software setup. I have also used this on my computer using vmware and https://github.com/jekhokie/raspberry-noaa-v2. It handles all of the conversions and scheduling. I just had to play around to get it to setup on a non raspberry device. I included in the ticking system there how I did that.
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using Raspberry-NOAA-V2 the METEOR-M 2 (like bellow) images are coming out fairly decent, but all the NOAA images aren't really working. why could this be?
I'm using raspberry-NOAA-v2 to automate the whole process, so yes I think it does do it via the command line.
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Need help troubleshooting NOAA receives
I'm using raspberrypi-noaa-v2 to schedule and run NOAA and Meteor receives. I've got a brand new rtl-sdr-branded receiver and a bias-tee powered LNA, and am using the v-dipole antenna configured as instructed. My runs never show more than apparently random noise overlayed on the map. Can somebody help out a newbie to NOAA reception?
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Bad Signal? I get no picture this is the audio and picture.
I have been using https://github.com/jekhokie/raspberry-noaa-v2 and i get the same kind of pictures. On this one i used SDR Console. It handles all the connection info and frequency/dopplar.
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Christmas gift(s) for hubby who always wants to “make something”?
Buy that, introduce him to /r/amateursatellites, and have him use this (plus his existing raspberry pi) so he can receive weather pictures directly from passing satellites! I and others on that subreddit would be happy to help if he needs it.
What are some alternatives?
AIS-catcher - AIS receiver for RTL SDR dongles, Airspy R2, Airspy Mini, Airspy HF+, HackRF, SDRplay and SoapySDR
luci - LuCI - OpenWrt Configuration Interface
openwebrx - Open source, multi-user SDR receiver software with a web interface
nrsc5-gui - A graphical interface for nrsc5
luaradio - A lightweight, embeddable software-defined radio framework built on LuaJIT
hdfm - UI for live weather/traffic/meta data collected from HD Radio stations
sample-icecast-noaa - A sample docker setup for streaming NOAA radio from a USB RTL-SDR dongle to Icecast, so you can listen tp it as an m3u stream.
nrsc5-dui - An enhanced, user-friendly version of nrsc5-gui that is not heavily dependent upon Python processing for audio generation.
ezstream - [Mirror] A streaming source client for Icecast
RTLSDR-Airband - Multichannel AM/NFM demodulator
wfm-tools - Some DSP tools for FM demodulation
nrsc5 - NRSC-5 receiver for rtl-sdr