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SAE J2735-Draft-Rev28 [issued: 11-10-08] 
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This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
8.21 Data Element: ESS_EssPrecipYesNo_code [NTCIP]
Use: Indicates whether or not moisture is detected by the sensor.
ASN.1 Representation:
EssPrecipYesNo ::= ENUMERATED {precip (1), noPrecip (2), error (3)} 
XML Representation:
<xs:simpleType name="EssPrecipYesNo" >
      <xs:annotation>
         <xs:appinfo>
            precip (1)
            noPrecip (2)
            error (3)
         </xs:appinfo>
      </xs:annotation>
      <xs:union>
         <xs:simpleType>
            <xs:restriction base="xs:unsignedInt">
               <xs:minInclusive value="1"/>
               <xs:maxInclusive value="3"/>
            </xs:restriction>
         </xs:simpleType>
         <xs:simpleType>
            <xs:restriction base="xs:string">
               <xs:enumeration value="precip"/>
               <xs:enumeration value="noPrecip"/>
               <xs:enumeration value="error"/>
            </xs:restriction>
         </xs:simpleType >
      </xs:union>
</xs:simpleType>
Used By: This entry is used directly by one other data structure in this standard, a DF called
DF_VehicleStatus <ASN> <XML>.   In addition, this item may be used by data structures in other ITS
standards.
Remarks: Used in ATIS to gross coverage area reports, not just point sensor measurements.
8.22 Data Element: ESS_EssSolarRadiation_quantity [NTCIP]
Use: The direct solar radiation integrated over the 24 hours preceding the observation in Joules, per square
meter.  A value of 65535 shall indicate a missing value.
ASN.1 Representation:
EssSolarRadiation ::= INTEGER (0..65535) 
XML Representation:
<xs:simpleType name="EssSolarRadiation" >
      <xs:restriction base="xs:unsignedShort"/>
</xs:simpleType>
Used By: This entry is used directly by one other data structure in this standard, a DF called
DF_VehicleStatus <ASN> <XML>.   In addition, this item may be used by data structures in other ITS
standards.
8.23 Value Domain: EXT_Int-latitude32 [LRMS]
Use: Value Domain for the geographic latitude of a node or point, expressed in integer microdegrees.
ASN.1 Representation:
Int-latitude32 ::= INTEGER (-90000000..90000000)
XML Representation:
<xs:simpleType name="Int-latitude32" >