Atmosphere
2 - Atmospheric attenuation
100nm 1μm 10μm 100μm 1mm 1cm 1dm 1m 10m
wavelength λ
0% 50% 100%
Microwaves
Radio
Visible window
Thermal IR
94GHz
0.5dB/km
H2O
1.55μm
Atmospheric
molecular
absorption:
O2 H2O
CO2 O3
itd...
>1000dB/km
Scattering
400GHz ITU RR 9kHz
Zenith transmission
O2
60GHz
14dB/km
H2O
22GHz
0.2dB/km
THz / mm