A 24/7 SDR server with 30-plus decoders on an Orange Pi Zero 3
After a year of kernel crashes, a three-SDR receive server on an Orange Pi Zero 3 was made stable with Claude's help and is controlled entirely from Android.
Credits
Earliest dated source:
The full story
After nearly a year of kernel crashes and instability, the maker built a stable round-the-clock SDR server on an Orange Pi Zero 3, developed with Claude. It runs three SDRs, including an Airspy HF+ switched between four antennas by an RF switch, and more than 30 decoders at once, from FT8 and APRS to ADS-B, AIS and radiosondes.
The critical fixes were staying on the legacy 6.6.75 kernel because the current one crashed within hours, blacklisting the Wi-Fi driver, and locking the SoapySDR library with chattr +i so apt can never break SpyServer again. It is controlled entirely from Android apps, with no PC needed.
How it was done
Tools
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Sources
From a short post by the maker, so the details are as they tell them.
- Reddit: Everything on one low-cost SBC: HF + VHF + ADS-B + AIS + Satellite + 30+ decoders — 3 SDRs, 4 switchReddit poster: ozcetPosted
The maker's post on r/RTLSDR.
If it disappears: archived copy of Reddit: Everything on one low-cost SBC: HF + VHF + ADS-B + AIS + Satellite + 30+ decoders — 3 SDRs, 4 switch (opens in a new tab)
- The project: ozcet.github.io
The maker's full guide.