'''
pyatmos msise subpackage

This subpackage defines the following functions:

nrlmsise00_subfunc.py  - subfunctions that implement the atmospheric model NRLMSISE-00

nrlmsise00.py  - Input interface of NRLMSISE-00

spaceweather.py

    download_sw_nrlmsise00 - Download or update the space weather file for NRLMSISE-00 from www.celestrak.com

    read_sw_nrlmsise00 - Read the space weather file for NRLMSISE-00

'''