waterml/src/main/java/ucar/nc2/ogc/om/NcOMObservationPropertyType.java
public static OMObservationPropertyType initObservationMember(OMObservationPropertyType observationMember,
            StationTimeSeriesFeature stationFeat, VariableSimpleIF dataVar) throws IOException {
        // om:OM_Observation
        NcOMObservationType.initOmObservation(observationMember.addNewOMObservation(), stationFeat, dataVar);

        return observationMember;
    }
public static OMObservationPropertyType initObservationMember(OMObservationPropertyType observationMember,
            StationTimeSeriesFeature stationFeat, VariableSimpleIF dataVar) throws IOException {
        // om:OM_Observation
        NcOMObservationType.initOmObservation(observationMember.addNewOMObservation(), stationFeat, dataVar);

        return observationMember;
    }
wml2:Collection/wml2:observationMember