• _earth_eccentricity : swri_transform_util
• _earth_equator_circumference : swri_transform_util
• _earth_equator_radius : swri_transform_util
• _earth_flattening : swri_transform_util
• _earth_mean_radius : swri_transform_util
• _earth_rotation_rate : swri_transform_util
• _local_xy_frame : swri_transform_util
• _tf_frame : swri_transform_util
• _utm_frame : swri_transform_util
• _wgs84_frame : swri_transform_util