<xs:element name="Corrections">
    <xs:annotation>
        <xs:documentation />
    </xs:annotation>
    <xs:complexType>
        <xs:sequence>
            <xs:choice minOccurs="0" maxOccurs="unbounded">
                <xs:element ref="FieldNote" minOccurs="0" maxOccurs="unbounded" />
                <xs:element ref="Feature" minOccurs="0" maxOccurs="unbounded" />
            </xs:choice>
        </xs:sequence>
        <xs:attribute name="refractionCoefficient" type="xs:double" />
        <xs:attribute name="applyRefractionCoefficient" type="xs:boolean" />
        <xs:attribute name="sphericity" type="xs:double" />
        <xs:attribute name="prismEccentricity" type="xs:double" />
        <!-- if 'true' then atmospheric corrections are to be applied to the measured distances read from the file -->
        <!-- if 'true' then sea level corrections are to be applied to the measured distances read from the file -->
        <!-- this is for recording the refraction coefficient used in the curvature and refraction correction of zenith angles -->
        <!-- if 'true' then RefractionCoefficient should be applied to the measured zenith angles read from the file -->
    </xs:complexType>
</xs:element>