Fig. 5.

PWV reported for a period of five days from Cerro Chajnantor summit (data from UdeC-WVR and TB-3) and from the Chajnantor Plateau (data from the APEX WVR). The correlation between the UdeC and TB-3 data, both located at the Chajnantor summit, and the instantaneous difference with the PWV at the plateau measured by the WVR at APEX.
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