This morning, in agreement with Irene, Jan and Federico, I installed two Trillium seismometer next to Innoseis sensors #11 (on channel A of the digitalizer) and #13 (on channel B).
Their position is shown in the attached picture.
This morning, in agreement with Irene, Jan and Federico, I installed two Trillium seismometer next to Innoseis sensors #11 (on channel A of the digitalizer) and #13 (on channel B).
Their position is shown in the attached picture.