equivalent_height_dry# pycraf.atm.equivalent_height_dry(freq_grid, press)[source]# Equivalent height for dry air according to ITU-R P.676-10, Annex 2.2. Parameters: freq_gridQuantityFrequenciesat which to calculate line-width shapes [GHz] pressQuantityTotal air pressure (dry + wet) [hPa] Returns: h_dryQuantityEquivalent height for dry air [km]