Building BlockOn this pagecoreto be discussedcalval ingestWGISSWGCVBuilding Block 1 Definition Set of functions with a well-defined external interface allowing reuse for different missions Notes Examples Sources CEOS/WGISS/DSIG/GLOS ESA PDGS Glossary, PGSI-GSEG-EOPG-LI-13-0033 (MM-PDGS Glossary Issue 2.0_for Review.docx) Term RelationshipsParentsGrandparentsChildrenGrandchildren