It's BSSA time again, and here's something. There is also a great one on supershear earthquakes, which I am still reading.
So, we get this strong 1.7 Hz signal. All conventional noise studies usually stop at 30 Hz, which is about the lower limit for human ears. But the body feels much lower, and we know from rock concerts. 1.7 Hz would be a heart beat for some people, and it is detected for a long distance. Time to get an isolation room and expose people to this - see what happens!
This is the first wind farm study that has measured infrasound. And it was a very small wind farm! Our seismic network in Ontario can measure this low. Anybody got some money for research?