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vhs-decode
Software defined VHS decoder - Fork (maybe temporary) of the ld-decode Laserdisc rf decoder
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sdrtrunk
A cross-platform java application for decoding, monitoring, recording and streaming trunked mobile and related radio protocols using Software Defined Radios (SDR). Website:
for open source alternative take a look at https://www.openwebrx.de/
Can also demodulate digital modes (DMR, YSF, etC) and it have nice, modern UI.
WebSDR have a weird list of requirements if you want to get install file - should open instance to public, provide lots of info, etc etc etc. It's not just closed-source.
If you want to have something similar for use at home, you could take a look at http://kiwisdr.com.
I have one, but you need to hunt down EMI sources, before you can properly use it.
https://github.com/IceDBorn/pipewire-screenaudio:
> Extension to passthrough pipewire audio to WebRTC Screenshare
awesome-amateur-radio#sdr
https://github.com/mcaserta/awesome-amateur-radio#sdr
OpenWRT wiki lists a few different weather station apps that can retrieve, record chart, and publish weather data from various weather sensors and also from SDR.
weewx:
If you don't need the web interface and your usual desktop SDR software supports rtl-sdr tcp mode, you can easily set up a small board that calls rtl-sdr with the appropriate parameters so that it will wait for a remote connection from the above software, not unlike what happens with WebSDR, but you would be using your usual desktop SDR application which would be native and much more snappy than a web browser. Here's an example using gqrx.
https://www.youtube.com/watch?v=74jDcHuDCmE
https://gqrx.dk/
For NTSC, also check out https://github.com/oyvindln/vhs-decode
You definitely can, but legality of such procedure is questionable. DMR uses AMBE codec, which require licensing from DVSI, but you can find open-source implementation on github (mdelib, jMBE). Projects such as DSD-FME[1], which allows you to decode much more than just DMR (P25, NXDN or SDRTrunk[2], which allows you to listen to trunking systems (p25, dmr tier 3 and much more) uses software implementation. OpenWebRX users software decoder too https://github.com/jketterl/digiham
[1] https://github.com/lwvmobile/dsd-fme
You definitely can, but legality of such procedure is questionable. DMR uses AMBE codec, which require licensing from DVSI, but you can find open-source implementation on github (mdelib, jMBE). Projects such as DSD-FME[1], which allows you to decode much more than just DMR (P25, NXDN or SDRTrunk[2], which allows you to listen to trunking systems (p25, dmr tier 3 and much more) uses software implementation. OpenWebRX users software decoder too https://github.com/jketterl/digiham
[1] https://github.com/lwvmobile/dsd-fme