nvctr provides functions to calculate geographical positions for both the ellipsoidal and spherical Earth models.
References
Kenneth Gade A Nonsingular Horizontal Position Representation. The Journal of Navigation, Volume 63, Issue 03, pp 395-417, July 2010.
Author
Maintainer: Enrico Spinielli [email protected] (ORCID)
Other contributors:
EUROCONTROL [copyright holder, funder]