GUAN                    GCOS Upper-Air Network (GUAN)
Hex272                  Global Hexagonal Grids
Hex92                   Global Hexagonal Grids
SphericalK-package      Spherical K-Function
sphere_grid             Latitude-Longitude Grids
sphere_khat             Calculate Spherical K-Function
sphere_montekhat        K-functions Under Complete Spatial Randomness
                        (CSR) By Monte Carlo Tests
sphere_random           Generate Random Points On Sphere
