Following are the results of the post-project sonic wind offsets measured in the EOL calibration laboratory Calibration Laboratory temperature chamber.
"ok" indicates u.x and v u.y offsets < +/-4 cm/sec and u.z (w) offsets < +/-2 cm/sec.
Non Non-ok entries are list the temperature range within which specs were exceeded and the maximum offset.
Click on the "EOL pre/post-OffsetsOffset Plots" calibration date dates to see the offset plots as a function of temperature. For sonics "on top" use the red data curves (chamber temperature increasing with time) and for sonics "on bottom" use the black curves (chamber temperature decreasing), i.e. the curve with the smaller variance.
The dates in violet are the most-recent pre-project calibrations or EOL offset measurements. Significant offset errors are highlighted in red.
Sonic | Site | Factory Calibration | EOL pre-project OffsetsOffset Plots | EOL post-project Offsets | u | Offset Plots | u.x | u.yv | w u.z | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0536 | BAO 150m SE | June 27, 2012 | Oct 14, 2014 | July 10, 2015 | ok | ok | 24 - 38 C -2.5 cm/s @ 29 C | ||||||
0537 | BAO 150m NW | Feb 4, 2015 2015 | Oct 9, 2014 | ok | ok | ok | |||||||
| 0539 | BAO 250m NW | Feb 6, 2015 | Oct 8, 2014 | July 6, 2015 | > 9 C 10.8 C cm/s @ 42 C | 19 - 29 C 4.4 C cm/s @ 25 C | > 28 C -3.4 C cm/s @ 47 C | ||||||
| 0671 | BAO 200m NW | Feb 10, 2015 | Jan 27, 2015 | July 7, 2015 | ok | ok | ok | ||||||
| 0672 | BAO 250m SE | Oct 10, 2012 | Oct 9, 2014 | July 8, 2015 | ok | ok | 1 - 21 C -2.4 cm/s @ 13 C | ||||||
| 0674 | BAO 200m SE | Aug 13, 2012 | Oct 10, 2014 | July 2, 2015 | ok | ok | ok | ||||||
| 0800 | BAO 50m NW | Feb 5, 2015 | Jan 21, 2015 | July 7, 2015 | 30 - 34 C 4.7 cm/s @ 31C | ok | ok | ||||||
| 0853 | BAO 100m NW | June 21, 2012 | Oct 10, 2014 | July 8, 2015 | > -4 C 5.6 cm/s @ 7 C | ok | ok | ||||||
| 0856 | BAO 300m SE | June 12, 2013 | Jan 22, 2015 | July 2, 2015 | > 40 C -4.7 cm/s @ 45 C | ok | ok | ||||||
| 1122 | BAO 300m NW | Dec 8, 2011 | Jan 13, 2015 | July 10, 2015 | > 25 C 7 cm/s @ 37 C | ok | ok | ||||||
| 1123 | BAO 50m SE | June 13, 2013 | Jan 13, 2015 | July 1, 2015 | ok | ok | ok | ||||||
| 1124 | BAO 100m SE | July 19, 2012 | Jan 27, 2015 | July 6, 2015 | ok | 23 - 34 C -4.5 cm/s @ 27 C | ok |