Index: trunk/BNS/bnshelp.html
===================================================================
--- trunk/BNS/bnshelp.html	(revision 2344)
+++ trunk/BNS/bnshelp.html	(revision 2347)
@@ -340,4 +340,5 @@
 <li>NAD83 which stands for the North American Datum 1983 as adopted for the U.S.A., and</li>
 <li>GDA94 which stands for the Geodetic Datum Australia 1994 as adopted for Australia, and</li>
+<li>SIRGAS2000 which stands for the Geodetic Datum adopted for Brazil, and</li>
 <li>'Custom' which allows a transformation of Broadcast Corrections from the IGS05 system to any other system through specifying up to 14 Helmert Transformation Parameters.</li>
 </ul>
@@ -417,4 +418,26 @@
 </p>
 
+<p>
+<u>SIRGAS2000:</u> The formulars for the transformation 'ITRF2005-&gt;SIRGAS2000' were provided via personal communication from Sonia Maria Alves Costa [soniamaria@ibge.gov.br].</u>.
+</p>
+<p>
+<pre>
+Translation in X at epoch To: -0.0510 m
+Translation in Y at epoch To: -0.0650 m
+Translation in Z at epoch To: -0.0990 m
+Translation rate in X:  0.0000 m/y
+Translation rate in Y:  0.0000 m/y
+Translation rate in Z:  0.0000 m/y
+Rotation in X at epoch To:  0.150 mas
+Rotation in Y at epoch To:  0.020 mas
+Rotation in Z at epoch To:  0.021 mas
+Rotation rate in X:  0.000 mas/y 
+Rotation rate in Y:  0.000 mas/y
+Rotation rate in Z:  0.000 mas/y
+Scale at epoch To : 0.000000000000
+Scale rate: -0.000000000000 /y
+To: 2000.0
+</pre>
+</p>
 
 <p>