pvlib.tracking.SingleAxisTracker.sapm_spectral_loss#
- SingleAxisTracker.sapm_spectral_loss(airmass_absolute)#
Use the
sapm_spectral_loss()
function, the input parameters, andself.module_parameters
to calculate F1.- Parameters
airmass_absolute (numeric) – Absolute airmass.
- Returns
F1 (numeric or tuple of numeric) – The SAPM spectral loss coefficient.