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The sonic temperature corrections are listed as the slope and offset of a linear fit (between -20 C and 30 C), Tc = offset + slope*tc.sonic, where Tc is calculated from temperature, relative humidity, and pressure measured in the zero-wind enclosure.
Note that we have repeated the laboratory tests on SN0923 and SN0833 to determine the reproducibility of the results. The velocity component offsets agree within less than 2 cm/s and the temperature offsets agree within 0.06-0.10 C and the slopes agree within 0.2-0.3%, for an overall agreement of no more than 0.1 C.
Location | Sonic | Cal date | u | v | w | tc offset | tc slope |
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Ah1 | 0923 | 15aug12 | ok | 7-23 C; -7.7 cm/s | ok | 0.10 | 1.0223 |
repeat calibration | 0923 |
| ok | 7-23 C; -7.7 cm/s | ok | 0.04 | 1.0204 |
Ah2 | 0833 | 29aug12 | ok | ok | ok | 0.69 | 0.9971 |
repeat calibration | 0833 |
| ok | ok | ok | 0.79 | 0.9938 |
Ah2 (after 10/19/12@10:15) | 0671 |
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Aph3 | 0743 | 05jul12 |
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A4 | 1120 | 19jul12 |
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Ah5 | 0732 | 09jul12 |
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Ah6 | 0800 | 08dec11 |
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A7 | 0673 | 18jul12 |
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Ap8 | 0176 | 22aug12 | ok | ok | ok | 0.50 | 1.0272 |
Ap9 | 1121 | 08dec11 |
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Ap10 | 0677 | 17jul12 |
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Ars11 | 0674 | 13aug12 |
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Ap12 | 0855 | 12sep12 |
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A13 | 0745 | 09jul12 |
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Ap14 | 1124 | 19jul12 |
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A15 | 1122 | 08dec11 |
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A16 | 0740 | 28aug12 |
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A17 | 0856 | 31jan12 |
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A18 | 0744 | 06jul12 |
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A19 (broken joint;removed 9/22/12) | 0672 | 17jul12 | NA | NA | NA | NA | NA |
A19 (installed 9/24/12) | 0178 | 9sep12 | ok | ok | ok | 0.72 | 1.0001 |
C.1m | 0200 | 27jun12 | ok | ok | ok | -0.04 | 1.0192 |
C.2m | 0197 | 03jul12 | ok | ok | ok | 0.74 | 0.9900 |
M.05m | 1455 |
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M.1m | 1117 |
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M.2m (until 9/27/12@15:03?) | 0538 |
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M.2m | 0536 |
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M.3m | 0540 |
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M.4m | 0738 |
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M.5m (until 9/27/12@15:03?) | 0671 |
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M.5m | 0537 |
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M.10m | 1119 |
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M.20m | 0741 |
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