Index: trunk/BNC/bnctime.h
===================================================================
--- trunk/BNC/bnctime.h	(revision 3551)
+++ trunk/BNC/bnctime.h	(revision 3552)
@@ -19,4 +19,7 @@
   unsigned int gpsw()   const;
   double       gpssec() const;
+  unsigned long longSec() {
+    return (unsigned long) gpsw() * 604800UL + (unsigned long) gpssec();
+  }
   void         civil_date (unsigned int& year, unsigned int& month,
                            unsigned int& day) const;