https://cxidb.org/data/189/lcls_lv95/calib/Epix10ka::CalibV1/XcsEndstation.0:Epix10ka.1/pixel_rms/1-end.data
https://cxidb.org/data/189/lcls_lv95/calib/Epix10ka::CalibV1/XcsEndstation.0:Epix10ka.1/pixel_rms/4-end.data
https://cxidb.org/data/189/lcls_lv95/calib/Epix10ka::CalibV1/XcsEndstation.0:Epix10ka.1/pixel_rms/HISTORY