= 77.604 (K/hPa) k1 = (K2/hPa) k2 = 9.784 (1 0.00266 cos (2 lat) 0.00028 gm h) – – = gravity acceleration (m/s2) atitude of the location () lat: height of the above sea level (km). hs: For receivers located at different than the surface height the hs, values of the input meteorological parameters can be from values, and using the Tms, es ps, following equations: K () hPa () hPa () where: lapse rate of the mean temperature of water vapour (K/km). m: input the model can be derived by assuming the meteorological parameters are characterized by seasonal fluctuation (2) where: or Xi: ps, es, Tms, m average of the parameter a1i: seasonal fluctuation of the parameter a2i: day of the minimum value of the parameter a3i:
k1 = 77.604 (K/hPa) k2 = (K2/hPa) gm = 9.784 (1 – 0.00266 cos (2 lat) – 0.00028 h) = gravity acceleration (m/s2) lat: atitude of the location () hs: height of the above sea level (km). For receivers located at different than the surface height hs, the values of the input meteorological parameters can be from values, Tms, es and ps, using the following equations: K () hPa () hPa () where: m: lapse rate of the mean temperature of water vapour (K/km). input the model can be derived by assuming the meteorological parameters are characterized by seasonal fluctuation (2) where: Xi: ps, es, Tms, or m a1i: average of the parameter a2i: seasonal fluctuation of the parameter a3i: day of the minimum value of the parameter
R12-SG03-RP-1005!!MSW-E.docx