Previously, in NPM Javascript to compute Attenuation By Atmospheric Gases ( ITU-R P.676-9), the Javascript Library is published on NPM that computes the attenuation (unit of dB loss per km) given the frequency, temperature and the atmospheric pressure (unit of hPa). with the latest commits to the package AttenuationByAtmosphericGases version 2.0.0, the library allows also Continue Reading »