Index: trunk/psModules/src/concepts/pmConceptsWrite.c
===================================================================
--- trunk/psModules/src/concepts/pmConceptsWrite.c	(revision 7382)
+++ trunk/psModules/src/concepts/pmConceptsWrite.c	(revision 7469)
@@ -141,17 +141,22 @@
     switch (item->type) {
     case PS_DATA_STRING:
+        psTrace(__func__, 9, "Writing header %s: %s\n", keyword, item->data.V);
         return psMetadataAddStr(hdu->header, PS_LIST_TAIL, keyword, PS_META_REPLACE, item->comment,
                                 item->data.V);
     case PS_DATA_S32:
+        psTrace(__func__, 9, "Writing header %s: %d\n", keyword, item->data.S32);
         return psMetadataAddS32(hdu->header, PS_LIST_TAIL, keyword, PS_META_REPLACE, item->comment,
                                 item->data.S32);
     case PS_DATA_F32:
+        psTrace(__func__, 9, "Writing header %s: %f\n", keyword, item->data.F32);
         return psMetadataAddF32(hdu->header, PS_LIST_TAIL, keyword, PS_META_REPLACE, item->comment,
                                 item->data.F32);
     case PS_DATA_F64:
+        psTrace(__func__, 9, "Writing header %s: %f\n", keyword, item->data.F64);
         return psMetadataAddF64(hdu->header, PS_LIST_TAIL, keyword, PS_META_REPLACE, item->comment,
                                 item->data.F64);
     case PS_DATA_REGION: {
             psString region = psRegionToString(*(psRegion*)item->data.V);
+            psTrace(__func__, 9, "Writing header %s: %s\n", keyword, region);
             bool result = psMetadataAddStr(hdu->header, PS_LIST_TAIL, keyword, PS_META_REPLACE, item->comment,
                                            region);
@@ -378,4 +383,5 @@
                 continue;
             }
+            psTrace(__func__, 3, "Writing %s to header %s\n", name, headerItem->data.V);
             psMetadataItem *conceptItem = psMetadataLookup(concepts, name); // The item from the concepts
             psMetadataItem *formatted = conceptFormat(spec, conceptItem, cameraFormat, fpa, chip, cell);