Index: trunk/BNC/src/bnchelp.html
===================================================================
--- trunk/BNC/src/bnchelp.html	(revision 9424)
+++ trunk/BNC/src/bnchelp.html	(revision 9437)
@@ -4402,16 +4402,20 @@
 <p><h4 id="upeph">2.16 Upload Ephemeris</h4></p>
 <p>
-BNC can generate streams carrying only Broadcast Ephemeris in RTCM Version 3 format and upload them to an Ntrip Broadcaster. This can be done for individual satellite systems or for all satellite systems, specifying the parameter ‘System’ for each stream.
-</p>
-
-<p>
-Note that Broadcast Ephemeris received in real-time have a system specific period of validity in BNC which is defined in accordance with the update rates of the navigation messages.
+BNC can generate streams carrying only Broadcast Ephemeris in RTCM Version 3 format and upload them to an Ntrip Broadcaster. The satellite system(s) that shall be part of the uploaded stream can be specified using the 'System' parameter. This can be done:
+<ul>
+<li>for an individual satellite system, specifying e.g. 'G' for GPS or 'E' for Galileo, etc. or </li>
+<li>for a seclection of satellite systems, specifying e.g. 'GRE' for GPS and GLONASS and Galileo or</li>
+<li>for all satellite systems, specifying 'ALL'. </li>
+</ul>
+</p>
+<p>
+Note that Broadcast Ephemeris received in real-time have a system specific period of validity in BNC which is defined in accordance with the update rates and validity intervals of the navigation messages.
 <ul>
 <li>GPS ephemeris will be interpreted as outdated and ignored when older than 4 hours.</li>
-<li>GLONASS ephemeris will be interpreted as outdated and ignored when older than 2 hours.</li>
+<li>GLONASS ephemeris will be interpreted as outdated and ignored when older than 1 hours.</li>
 <li>Galileo ephemeris will be interpreted as outdated and ignored when older than 4 hours.</li>
-<li>BDS ephemeris will be interpreted as outdated and ignored when older than 6 hours.</li>
-<li>SBAS ephemeris will be interpreted as outdated and ignored when older than 1 hour.</li>
-<li>QZSS ephemeris will be interpreted as outdated and ignored when older than 3 hours.</li>
+<li>BDS ephemeris will be interpreted as outdated and ignored when older than 1 hours.</li>
+<li>SBAS ephemeris will be interpreted as outdated and ignored when older than 10 minutes.</li>
+<li>QZSS ephemeris will be interpreted as outdated and ignored when older than 2 hours.</li>
 <li>IRNSS ephemeris will be interpreted as outdated and ignored when older than 24 hours.</li>
 </ul>
@@ -4421,4 +4425,5 @@
 <p>
 Furthermore, received Broadcast Ephemeris parameters pass through a plausibility check in BNC which allows to ignore incorrect ephemeris data when necessary, leaving a note 'WRONG EPHEMERIS' in the logfile.
+Unhealthy ephemerides will be not excluded. A note 'UNHEALTHY EPHEMERIS' will be added in the logfile.
 </p>