Index: /trunk/BNC/bnchelp.html
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--- /trunk/BNC/bnchelp.html	(revision 2586)
+++ /trunk/BNC/bnchelp.html	(revision 2587)
@@ -1085,4 +1085,15 @@
 </p>
 
+<p>
+Note further that BNC does correct positions derived in PPP mode for earth tides and phase windup. So far it does however not correct them for the following effects:
+</p>
+<ul>
+<li>Satellite antenna offset and phase center variation</li>
+<li>Ground antenna offset and phase center variation</li>
+<li>Atmospheric, hydrological, and ocean loading</li>
+<li>Earth rotation</li>
+</ul>
+</p>
+
 <p><a name="pppmount"><h4>3.11.1 Mountpoint - optional</h4></p>
 <p>
@@ -1512,6 +1523,4 @@
 - Satellite antenna offset: horizontal effect = few cm, vertical effect = up to 10 cm<br>
 - Satellite antenna phase center variation: vertical effect =1 mm<br>
-- Phase wind up: horizontal and vertical effect = a few mm<br>
-- Earth tides: horizontal effect: a few cm, vertical effect: a few dm<br>
 - Earth rotation: horizontal effect = a few cm<br>
 - Atmospheric, hydrological, and ocean loading: vertical effect = up to 5 cm<br>