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Questions - rtl-sdr

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 co...
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Droid

usb

raspberry-pi4

rtl-sdr

Votes: 0

Answers: 1

Latest Answer

The problem was power-related. Once I introduced a powered USB Hub I never encountered this issue again.
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Droid

Trouble piping to curl through sed

I have a program, rtl_433, that outputs lines of JSON - maybe once or twice a minute, while it's running. I need to pipe that data as HTTP POST data to curl. What complicates matters is that this stri...
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OZ1SEJ

shell

curl

sed

pipe

rtl-sdr

Votes: 0

Answers: 1

Latest Answer

The problem here is that rtl_433 never exits, it just keeps printing lines for every message it receives. This is a problem because curl is going to wait until it receives an EOF (end of file) marker ...
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hardillb

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