> time domain reflectometry
Can you point us in the right direction on this? The wiki doesn't make it clear how it would be used for measuring soil moisture.
Can you point us in the right direction on this? The wiki doesn't make it clear how it would be used for measuring soil moisture.
I haven't looked at the industry in a couple of years, but I think that many of the high-end commercial sensors use some variation of this technique.
https://en.wikipedia.org/wiki/Measuring_moisture_content_usi...