Index: trunk/BNC/bnchelp.html
===================================================================
--- trunk/BNC/bnchelp.html	(revision 309)
+++ trunk/BNC/bnchelp.html	(revision 310)
@@ -284,4 +284,8 @@
 <li>They may contain any other complete header record (correct format) as defined in the RINEX Version 2.1 documentation. Their contents may be derived from sitelog files.</li>
 </ul>
+<p>
+If neither a public nor a personal RINEX header skeleton file is available for BNC, a default header is generated for the affected RINEX file.
+</p>
+
 <p>