I located the setup into the Fan hut, to monitor the infrasound coming from avalanche during this weekend.
I will withdraw it on next Monday.
results
From 2/8 9:30 to 2/9 17:00 in JST, f < 0.1Hz band was continuously noisy.
In the Weather station data (here and here), nether rain fall or wind speed ware coincide with the infrasound noise.
From the infrasound data in Kochi university of technology, InfraSound Observation Network System, our infrasound noise si coincide with Tei, Yasu-cho, Konan-city, Kochi-prefecture.
But it was not so coincide with other place in Kochi.
accidental?
