diff --git a/src/SimCore/Position.cpp b/src/SimCore/Position.cpp
index 14a3844..b5d55f7 100644
--- a/src/SimCore/Position.cpp
+++ b/src/SimCore/Position.cpp
@@ -24,6 +24,10 @@ namespace SimCore {
                     std::lock_guard<std::mutex> lock(other.mx);
                     GeocentricPos_ = other.GeocentricPos_;
                     GeodesicPos_ = other.GeodesicPos_;
+
+                    earth_ = std::make_unique<GeographicLib::Geocentric>(GeographicLib::Constants::WGS84_a(), GeographicLib::Constants::WGS84_f());
+                    geod_ = std::make_unique<GeographicLib::Geodesic>(GeographicLib::Constants::WGS84_a(), GeographicLib::Constants::WGS84_f());
+                    wgs84_ = std::make_unique<GeographicLib::Ellipsoid>(GeographicLib::Constants::WGS84_a(), GeographicLib::Constants::WGS84_f());
         
     }
 
@@ -59,7 +63,10 @@ namespace SimCore {
         GeocentricPos_(GeocentricPosition::Y) = Y;     
         GeocentricPos_(GeocentricPosition::Z)= Z;     
         
-        earth_->Reverse(GeocentricPos_(GeocentricPosition::X),GeocentricPos_(GeocentricPosition::Y),GeocentricPos_(GeocentricPosition::Z),GeodesicPos_(GeodesicPosition::LATITUDE),GeodesicPos_(GeodesicPosition::LONGITUDE),GeodesicPos_(GeodesicPosition::HEIGHT));
+        double lat, lon, h;
+
+
+         earth_->Reverse(GeocentricPos_(GeocentricPosition::X),GeocentricPos_(GeocentricPosition::Y),GeocentricPos_(GeocentricPosition::Z),GeodesicPos_(GeodesicPosition::LATITUDE),GeodesicPos_(GeodesicPosition::LONGITUDE),GeodesicPos_(GeodesicPosition::HEIGHT));
     }   
 
     void Position::setGeodesicPos(double lat, double lon, int height){