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Some problem where encountered over the last months with keeping StanCam cold. On various occasions the camera warmed up and lost its vacuum. This is probably due to the short holding time of the dewar combined with the design of the dewar which results in spilling of LN2 at relatively low zenith distances. The plan is to install a CryoTiger to keep the camera cold continuously.

Thomas Augusteijn 2003-02-21