|     SAE J2735-Draft-Rev26 [issued: 09-18-08]   -  51 -  This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.           units of 0.01 m/s           max delta value of 2.55 m/s           1 byte in length -->        </xs:sequence>  </xs:complexType>  Used By:  This entry is used directly by one other data structure in this standard, a DF called  DF_VehicleMotionTrail <ASN> <XML>.   In addition, this item may be used by data structures in  other ITS standards.  6.9 Data Element: DF_BSM_Blob  Use:  The octet blob data element used in many places to define vehicle position and motion  Used in the  basic safety message (hence the name BSM blob) as well as in other messages.    ASN.1 Representation:    BSMblob ::= OCTET STRING (SIZE(30))      -- made up of the following 30 packed bytes:     -- lat         Latitude,             -x- 4 bytes      -- long        Longitude,            -x- 4 bytes     -- elev        Elevation,            -x- 2 bytes     -- accuracy    PositionalAccuracy,   -x- 4 bytes     -- speed       Speed,                -x- 2 bytes     -- heading     Heading,              -x- 2 byte     -- accelSet    AccelerationSet4Way,  -x- accel set (four way) 7 bytes     -- brakes      BrakeSystemStatus,    -x- 2 bytes     -- size        VehicleSize,          -x- 3 bytes  XML Representation:    <xs:complexType name="BSMblob" >     <xs:simpleContent>        <xs:annotation>           <xs:documentation>                     made up of the following 30 packed bytes:              lat         Latitude,              -x- 4 bytes              long        Longitude,             -x- 4 bytes              elev        Elevation,             -x- 2 bytes              accuracy    PositionalAccuracy,    -x- 4 bytes              speed       Speed,                 -x- 2 bytes              heading     Heading,               -x- 2 byte              accelSet    AccelerationSet4Way,   -x- accel set  (four way)  7 bytes              brakes      BrakeSystemStatus,     -x- 2 bytes              size        VehicleSize,           -x- 3 bytes           </xs:documentation>        </xs:annotation>        <xs:extension base="BSMblob-string" >           <xs:attribute name="EncodingType" use="required">             <xs:simpleType>                <xs:restriction base="xs:NMTOKEN">                   <xs:enumeration value="base64Binary"/>                </xs:restriction>             </xs:simpleType>           </xs:attribute>        </xs:extension>     </xs:simpleContent>  </xs:complexType>  <xs:simpleType name="BSMblob-string">     <xs:restriction base="xs:base64Binary">        <xs:length value="40"/>     </xs:restriction>  </xs:simpleType >  Used By:  This entry is directly used by the following 3 other data structures in this standard (record type,  descriptive name, ASN.1, and XML name (if present) of each):  |