Index: /trunk/BNC/src/PPP_SSR_I/pppFilter.cpp
===================================================================
--- /trunk/BNC/src/PPP_SSR_I/pppFilter.cpp	(revision 9279)
+++ /trunk/BNC/src/PPP_SSR_I/pppFilter.cpp	(revision 9280)
@@ -410,4 +410,8 @@
   xyz2ell(xyz, ell);
   double height = ell[2];
+  // Prevent pp from causing segmentation fault (Loukis)
+  if (height > 40000.0 ) {
+    return 0.000000001;
+  }
 
   double pp =  1013.25 * pow(1.0 - 2.26e-5 * height, 5.225);