Index: trunk/BNC/src/upload/bncrtnetuploadcaster.cpp
===================================================================
--- trunk/BNC/src/upload/bncrtnetuploadcaster.cpp	(revision 9386)
+++ trunk/BNC/src/upload/bncrtnetuploadcaster.cpp	(revision 9387)
@@ -944,4 +944,7 @@
     struct SsrCorr::ClockOrbit::SatData* sd, QString& outLine) {
 
+  if (eph->prn().number() == 0) {
+    return failure;
+  }
   // Broadcast Position and Velocity
   // -------------------------------