Index: /trunk/BNC/src/RTCM3/RTCM3coDecoder.cpp
===================================================================
--- /trunk/BNC/src/RTCM3/RTCM3coDecoder.cpp	(revision 10552)
+++ /trunk/BNC/src/RTCM3/RTCM3coDecoder.cpp	(revision 10553)
@@ -546,4 +546,8 @@
 void RTCM3coDecoder::checkProviderID() {
 
+  if (_clkOrb.SSRProviderID == 0 && _clkOrb.SSRSolutionID == 0 && _clkOrb.SSRIOD == 0) {
+    return;
+  }
+
   int newProviderID[3];
   newProviderID[0] = _clkOrb.SSRProviderID;