Index: trunk/BNC/ChangeLog.txt
===================================================================
--- trunk/BNC/ChangeLog.txt	(revision 8078)
+++ trunk/BNC/ChangeLog.txt	(revision 8080)
@@ -6,10 +6,11 @@
                           comment within the header of RINEX navigation files
     Added   (21.07.2016): frequency specific signal priorities are added for
-                          RINEX version 3 to RINEX version 2 conversion
+                          RINEX v3 to RINEX v2 conversion
     Added   (29.06.2016): consideration of provioder ID changes in SSR streams
                           during PPP analysis
     Added   (18.05.2016): expected observations in RINEX QC
+    Changed (15.02.2017): SIRGAS2000 transformation parameters adjusted to IGb14
     Changed (28.07.2016): small adaptations in qwtpolar sources to allow the
-                          successful comilation of BNC on a Raspberry Pi, see
+                          successful compilation of BNC on a Raspberry Pi, see
                           http://software.rtcm-ntrip.org/ticket/88
     Changed (21.07.2016): Default signal priority list
Index: trunk/BNC/src/bnchelp.html
===================================================================
--- trunk/BNC/src/bnchelp.html	(revision 8078)
+++ trunk/BNC/src/bnchelp.html	(revision 8080)
@@ -4037,11 +4037,11 @@
 
 <p>
-<u>SIRGAS2000:</u> The formulas for the transformation 'ITRF2008-&gt;SIRGAS2000' were provided via personal communication from CGED-Coordenacao de Geodesia, IBGE/DGC - Diretoria de Geociencias, Brazil.</u>.
-</p>
-<p>
-<pre>
-Translation in X at epoch To:  0.0020 m
-Translation in Y at epoch To:  0.0041 m
-Translation in Z at epoch To:  0.0039 m
+<u>SIRGAS2000:</u> The formulas for the transformation 'IGb14-&gt;SIRGAS2000' were provided via personal communication from CGED-Coordenacao de Geodesia, IBGE/DGC - Diretoria de Geociencias, Brazil.</u>.
+</p>
+<p>
+<pre>
+Translation in X at epoch To:  0.0026 m
+Translation in Y at epoch To:  0.0018 m
+Translation in Z at epoch To: -0.0061 m
 Translation rate in X:  0.0000 m/y
 Translation rate in Y:  0.0000 m/y
Index: trunk/BNC/src/upload/bncrtnetuploadcaster.cpp
===================================================================
--- trunk/BNC/src/upload/bncrtnetuploadcaster.cpp	(revision 8078)
+++ trunk/BNC/src/upload/bncrtnetuploadcaster.cpp	(revision 8080)
@@ -147,8 +147,8 @@
     _t0 = 1994.0;
   }
-  else if (_crdTrafo == "SIRGAS2000") {
-    _dx = 0.0020;
-    _dy = 0.0041;
-    _dz = 0.0039;
+  else if (_crdTrafo == "SIRGAS2000") { // from IGb14 (Sonia Costa, BRA)
+    _dx = 0.0026;
+    _dy = 0.0018;
+    _dz = -0.0061;
     _dxr = 0.0000;
     _dyr = 0.0000;