SGP/EBBR/E13 - Automatic Exchange Mechanism Failure

The AEM was stuck in the home_15 position or reported near zero
home signals during much of the indicated period.

The Bowen ratio and latent and sensible heat fluxes were incorrect 
when the AEM was not operating properly; the periods of incorrect
data can be determined from the home signal values.

On 7/14/04 the AEM was replaced.

• Right air temperature(temp_air_right)
• Left air temperature(temp_air_left)

• Bottom air temperature(temp_air_bottom)
• Top air temperature(temp_air_top)
• Top relative humidity (fractional)(rh_top_fraction)
• Top T/RH sensor temperature(temp_trh_top)
• Bottom T/RH sensor temperature(temp_trh_bottom)
• Bottom relative humidity (fractional)(rh_bottom_fraction)
• Top vapor pressure(vapor_pressure_top)
• Bottom vapor pressure(vapor_pressure_bottom)

• Bowen ratio(bowen_ratio)
• Top T/RH sensor temperature(temp_trh_top)
• Surface sensible heat flux(sensible_heat_flux)
• Top relative humidity (fractional)(rh_top_fraction)
• Bottom air temperature(temp_air_bottom)
• Surface latent heat flux(latent_heat_flux)
• Top air temperature(temp_air_top)
• Bottom vapor pressure(vapor_pressure_bottom)
• Bottom T/RH sensor temperature(temp_trh_bottom)
• Top vapor pressure(vapor_pressure_top)
• Bottom relative humidity (fractional)(rh_bottom_fraction)