Index: trunk/BNC/bnchelp.html
===================================================================
--- trunk/BNC/bnchelp.html	(revision 4234)
+++ trunk/BNC/bnchelp.html	(revision 4235)
@@ -2021,5 +2021,7 @@
 
 <p><a name="upclkorb"><h4>3.14.8.1 Orbits - mandatory if 'Upload Table' entries specified</h4></p>
-<p>Select the stream's orbit correction sampling interval in seconds. A value of 60 sec may be appropriate. A value of zero '0' tells BNC to upload all available samples.</p>
+<p>Select the stream's orbit correction sampling interval in seconds. A value of 60 sec may be appropriate.</p>
+<p> A value of zero '0' tells BNC to upload all orbit correction samples coming in from the real-time GNSS engine along with the clock correction samples to produce combined orbit and clock corrections to Broadcast Ephemeris (1060 for GPS, 1066 for GLONASS).
+</p>
 
 <p><a name="upclksp3"><h4>3.14.8.2 SP3 - mandatory if 'SP3 File' is specified</h4></p>