Abstract
MEASURED values1–4 of atmospheric attenuation of electromagnetic radiation in the “windows” at 2 and 3 mm are greater by factors of between two and three than is calculated from monomeric water vapour and oxygen line strengths. This is true for several theoretical formulations of collision broadening. To investigate these anomalies, we have made measurements at 110 and 113 GHz (2.73 and 2.65 mm) of the variation of zenith sky noise temperatures with atmospheric conditions, using Dicke radiometers.
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GIBBINS, C., GORDON-SMITH, A. & GEBBIE, H. Anomalous Absorption in the Atmosphere for 2.7 mm Radiation. Nature 243, 397–398 (1973). https://doi.org/10.1038/243397a0
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DOI: https://doi.org/10.1038/243397a0
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