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Cumulus.ini (preserving history): Difference between revisions
Cumulus.ini (preserving history) (view source)
Revision as of 20:15, 3 September 2013
, 20:15, 3 September 2013→Section: Offsets: corrected cross ref
m (→Introduced for problems with Fine Offset family, but may be more widely applicable:: Explain LogExtraSensors for Easyweather) |
m (→Section: Offsets: corrected cross ref) |
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|WindSpeedMult=1 | |WindSpeedMult=1 | ||
|Multiplier by which measured Average [[Wind_measurement|Wind Speed]] to be corrected. Officially wind speed is measured with sensors at 10m above ground level. If your sensor is not at 10m AGL then a correction multiplier should be applied using the following formula ''V10/Vh = 1/(0.233 + 0.656*log10(h+4.75))'' where "h" is your sensor height in meters. | |Multiplier by which measured Average [[Wind_measurement#Compensation|Wind Speed]] to be corrected. Officially in UK the wind speed is measured with sensors at 10m above ground level. If your sensor is not at 10m AGL then a correction multiplier should be applied using the following formula ''V10/Vh = 1/(0.233 + 0.656*log10(h+4.75))'' where "h" is your sensor height in meters. | ||
e.g. if your anemometer is 5m off the ground, V10/Vh comes out at 1.134 | e.g. if your anemometer is 5m off the ground, V10/Vh comes out at 1.134 | ||
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