private bool IsCamDistanceToWide(Vector3d loc)
{
Vector3d camPos = ScaledSpace.ScaledToLocalSpace(PlanetariumCamera.Camera.transform.position);
float distance = Vector3.Distance(camPos, loc);
// distance to wide?
if(distance >= RTSettings.Instance.DistanceToHideGroundStations)
return true;
return false;
}