correct 'azimth' to 'azimuth'
correct 'azimth' to 'azimuth'

istellartech/OpenTsiolkovsky,istellartech/OpenTsiolkovsky,istellartech/OpenTsiolkovsky,istellartech/OpenTsiolkovsky,istellartech/OpenTsiolkovsky,istellartech/OpenTsiolkovsky