Two accelerometers in the corner station have been showing unusual looking spectra.  During maintenance today I moved them to different endevco channels to see if that was the problem, and it their resulting spectra would suggest that it is.

H1:PEM-CS_ACC_LVEAFLOOR_BS_Z showed excess low frequency noise in its spectra.  When switched to a different endevco channel the noise was noticeably lower below ~6-7 Hz.  Both images are attached to this post.

H1:PEM-CS_ACC_LVEAFLOOR_HAM1_Z also showed an unusual spectrum.  When ran through a different endevco channel the overall noise level changed by a factor of ~10.  Two images of these spectra are attached as well.