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Table 1
Mean zenith opacity, on-source integration time, and period of the day for the three days of the campaign of November 2012.
| Nov. 21st | Nov. 22nd | Nov. 23rd | |
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|
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| τ 140 GHz | 0.14 | 0.18 | 0.053 |
| τ 240 GHz | 0.17 | 0.22 | 0.046 |
| Time range | 8:27 am to 11:43 am | 8:16 am to 12:01 pm | 8:11 am to 10:59 am |
| Integration time | 2 h 29 min | 3 h 00 min | 2 h 29 min |
| Unflagged integration time | 50 min | 2 h 35 min | 2 h 23 min |
Notes. The total integration time is 5 h 47 min. The mean opacity ratio is τ240 GHz/τ140 GHz ≃ 1.2.
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