	<ObservatoryLocation ID="KPNO">		<AstroCoordSystem ID="ICRS-TT-TOPO">			<TimeFrame>				<Name>Time</Name>				<TimeScale>TT</TimeScale>				<TOPOCENTER/>			</TimeFrame>			<SpaceFrame>				<Name>GeoLongLatAlt</Name>				<GEO_D/>				<TOPOCENTER/>				<SPHERICAL coord_naxes="3"/>			</SpaceFrame>		</AstroCoordSystem>		<crd:AstroCoords coord_system_id="KPNO">			<crd:Position3D unit="deg deg m">				<crd:Name>LongLatElev</crd:Name>				<crd:Value3>248.4056 31.9586 2158</crd:Value3>			</crd:Position3D>		</crd:AstroCoords>	</ObservatoryLocation>