private void DrawNavData(List <NavData> packets)
 {
     packets.ForEach(packet =>
     {
         programDigram.AddNavData(packet);
         ChartNavLat.WriteData(packet.latitude);
         ChartNavLon.WriteData(packet.longitude);
         ChartNavHeight.WriteData(packet.height);
         ChartNavSpeedNorth.WriteData(packet.northSpeed);
         ChartNavSpeedSky.WriteData(packet.skySpeed);
         ChartNavSpeedEast.WriteData(packet.eastSpeed);
         ChartNavPitchAngle.WriteData(packet.pitchAngle);
         ChartNavCrabAngle.WriteData(packet.crabAngle);
         ChartNavRollAngle.WriteData(packet.rollAngle);
     });
     ChartNavLat.EndWrite();
     ChartNavLon.EndWrite();
     ChartNavHeight.EndWrite();
     ChartNavSpeedNorth.EndWrite();
     ChartNavSpeedSky.EndWrite();
     ChartNavSpeedEast.EndWrite();
     ChartNavPitchAngle.EndWrite();
     ChartNavCrabAngle.EndWrite();
     ChartNavRollAngle.EndWrite();
 }