The HITRAN compilation of the SAO (HIgh resolution TRANmission molecular absorption database) is used for predicting and simulating transmission and emission of light in atmospheres. It is the world-standard database in molecular spectroscopy. The journal article describing it is the most cited reference in the geosciences. There are presently about 5000 HITRAN users world-wide. Applications include NASA Earth observations, the Department of Energy Atmospheric Radiation Measurement program for monitoring climate change, DoD surveillance of aircraft and rockets, and process control in industry.

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The HITRAN Database