Resolve "Enable Standard Point Positioning (SPP) computation"

Closes #2 (closed)

include/navigation.h

@@ -35,19 +35,19 @@ namespace GNSSUtils
 
 
       // Ephemeris
-      void allocateEphemeris();
+      void allocateEphemeris(int n_sat = MAXSAT);
 
       void deleteEphemeris();
 
-      void allocateGLONASSEphemeris();
+      void allocateGLONASSEphemeris(int n_sat = NSATGLO);
 
       void deleteGLONASSEphemeris();
 
-      void allocateSBASEphemeris(); //SBAS
+      void allocateSBASEphemeris(int n_sat = NSATSBS*2); //SBAS
 
       void deleteSBASEphemeris();
 
-      void allocateAlmanac();
+      void allocateAlmanac(int n_sat = MAXSAT);
 
       void deleteAlmanac();