Index: trunk/BNS/bns.cpp
===================================================================
--- trunk/BNS/bns.cpp	(revision 2418)
+++ trunk/BNS/bns.cpp	(revision 2419)
@@ -480,4 +480,11 @@
 //            }
 
+            // Coefficient of Ionosphere-Free LC
+            // ---------------------------------
+            const static double a_L1_GPS =  2.54572778;
+            const static double a_L2_GPS = -1.54572778;
+            const static double a_L1_Glo =  2.53125000;
+            const static double a_L2_Glo = -1.53125000;
+
             if (biasSat) {
               biasSat->ID = prn.mid(1).toInt();