Daily Reports
Observers on-site: Maite Beltrán, Anaëlle Maury, Andrés Zuleta, Rodrigo Álvarez and Angel (AoD). Dave, Carlos and Jean supporting on-site (Tuesday, maintenance slot).
Operators: Gloria (day shift) and Sergio (night shift)
Jan 28th, Tuesday
14:00-16:00; Angel. No system check. Very bad weather. EMIR checks of high-frequency signal of external calibrator pending. Note that the NIKA2 external calibrator must be swiched-off for EMIR observations as it creates a strong RFI. <Comment by CK>
16:00-19:00; Rodrigo. Clear skies and tau_225GHz~0.15 after the last storm. Deicing system at work. Sergio inspected the telescope from the platform (~19:30 LT). Ambient temp. -10C. Hard ice block on the upper third of the subreflector. A thumb-thick ice layer on the lower-half of M1.