The stratospheric emission in the submillimeter spectral region has been measured from 38.2 km altitude with a resolution of 0.0033 cm−1. In most cases this resolution makes possible the separation of contributions caused by the individual rotational transitions. An atlas of the observed features is given as a guide to both the measurements of minor stratospheric constituents concentration and the evaluation of stratospheric transparency for the measurement of nontelluric sources.

In this paper we give the second part, covering the interval 20–40 cm−1, of the atlas of submillimeter lines observed in the atmospheric emission spectrum from 38.2‐km altitude with a resolution of 0.0033 cm−1. This resolution appears to be adequate for detailed interpretation of the spectrum in terms of rotational transitions of most trace molecules relevant to the photochemistry of the atmosphere. A table of assignments of the observed features to expected molecular transitions is given, together with a comparison of the measured spectrum with a synthetic spectrum obtained from radiative transfer calculation.

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