scope:

This guide describes the content of the models, uncertainties and limitations, technical basis, databases from which the models are formed, publication references, and sources of computer codes for 46 ionospheric models (see Table 1). The models cover the altitude range from the Earth's surface to approximately 10,000 km. It is intended to assist communication and space system designers and developers, geophysicists, space physicists, and climatologists in understanding available models and comparing sources of data, and interpreting engineering and scientific results based on different ionospheric models.