Thursday, March 05, 2020

How to see LoRa on an RTL-SDR waterfall

I've tried to see the LoRa chirps in the past but they were always too quick. John, VK2ASU, has figured out how to slow down the chirps and spread the spectrum enough to see this:


Here's the settings used:

LoRa.setSpreadingFactor(20);
LoRa.setSignalBandwidth(62.5E3);

Thanks John!

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