Index: trunk/psModules/src/objects/pmSourceIO.c
===================================================================
--- trunk/psModules/src/objects/pmSourceIO.c	(revision 31670)
+++ trunk/psModules/src/objects/pmSourceIO.c	(revision 32633)
@@ -569,4 +569,5 @@
 	    PM_SOURCES_WRITE("PS1_V2",    CMF_PS1_V2);
 	    PM_SOURCES_WRITE("PS1_V3",    CMF_PS1_V3);
+	    PM_SOURCES_WRITE("PS1_V4",    CMF_PS1_V4);
 	    PM_SOURCES_WRITE("PS1_SV1",   CMF_PS1_SV1);
 	    PM_SOURCES_WRITE("PS1_DV1",   CMF_PS1_DV1);
@@ -1025,4 +1026,7 @@
                 sources = pmSourcesRead_CMF_PS1_V3 (file->fits, hdu->header);
             }
+            if (!strcmp (exttype, "PS1_V4")) {
+                sources = pmSourcesRead_CMF_PS1_V4 (file->fits, hdu->header);
+            }
             if (!strcmp (exttype, "PS1_SV1")) {
                 sources = pmSourcesRead_CMF_PS1_SV1 (file->fits, hdu->header);