Monument temperatures and Platform height (Invar rod length measurement)

Thermometers: Resistive Pt-sensors T2 ... T7
T2 and T4 inside the concrete pillar at rock surface level
      T3       inside the concrete pillar near platform surface
      T5       inside the concrete pillar at mid height
      T6       at the lower end of the Invar rod (3 m below the rock surface)
      T7       room temperature in gravimeter cabin
External temperature from wx.oso.chalmers.se/weather (weather station outside 20m telescope)


Actual, last month
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