<xs:simpleType name="ElectricFieldStrengthUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="mV/ft">
      <xs:annotation>
        <xs:documentation>millivolt per foot</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="mV/m">
      <xs:annotation>
        <xs:documentation>millivolt per metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="uV/ft">
      <xs:annotation>
        <xs:documentation>microvolt per foot</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="uV/m">
      <xs:annotation>
        <xs:documentation>microvolt per metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="V/m">
      <xs:annotation>
        <xs:documentation>volt per metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>