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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><a name=Gruß></a><span lang=DE>Dear all,<o:p></o:p></span></p><p class=MsoNormal><span lang=DE><o:p> </o:p></span></p><p class=MsoNormal>As Colin is kind of retired <span style='font-family:"Segoe UI Emoji",sans-serif'>😉</span>, I do not know whom to address it to. So to the SMWG as total.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In general I need some help of XSD smart people, but topics is also valid general. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0cm' start=1 type=1><li class=MsoListParagraph style='margin-left:0cm;mso-list:l0 level1 lfo1'>sicfRef being “required” or “optional”. In the file “902x12w1_04-SmCmnEnt-SrvPkg.xsd” the definition of abstract Service Package class says:<o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> <span style='font-size:10.0pt;font-family:"Courier New"'><xsd:element name="abstractSrvPkg" type="AbstractSrvPkgType" abstract="true" /><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> <xsd:complexType name="AbstractSrvPkgType"><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> <xsd:attribute name="sicfRef" type="xsd:string" use="<b><span style='color:red'>required</span></b>"/> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> </xsd:complexType><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>However the Book itself (whitebook) and the UML diagrams say the opposite (there it is “optional”). So the question now, which one is right? I can imagine why one would want to have it required, but having it optional is more safe (or everybody is using SICF files?).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0cm' start=2 type=1><li class=MsoListParagraph style='margin-left:0cm;mso-list:l0 level1 lfo1'>TLE Schema. There is a Schema “902x12w1_04-SmCmnEnt-TLE.xsd”. Firstly it has very strange Regex for the first TLE line ( <b><span style='font-family:"Courier New"'><xsd:pattern value="[ -~]{24}"/></span></b> ) - why exactly 24 characters?, and secondly the actual TLE lines we have from our flight dynamics (first and second line) do not validate with the schema. Where do we have this definitions from? Did someone checked that with our daily “TLEs”? I must admit, I somehow missed that (I knew there is the XSD now, but didn’t pay attention until now). <o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Best regards<o:p></o:p></p><p class=MsoNormal>Marcin<o:p></o:p></p></div></body></html>