diff --git a/basic_parameters.c b/basic_parameters.c
--- a/basic_parameters.c
+++ b/basic_parameters.c
@@ -5,5 +5,51 @@
 // version 1.3: 02/05/2014
 // version 1.4: 16/05/2014
 // version 1.5: 20/05/2014
+// version 1.6: 19/12/2014
 
-// dans l'immédiat ne sert donc  plus à rien ...
+#include <stdint.h>
+
+#include "basic_parameters_utilities.h"
+
+void init_k_coefficients_f0( void )
+{
+    uint16_t i;                        // 16 bits unsigned
+
+    for(i=0; i<NB_BINS_COMPRESSED_MATRIX_f0; i++){
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K44_PE]    = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K55_PE]    = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K45_PE_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K45_PE_IM] = 1;
+
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K14_SX_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K14_SX_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K15_SX_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K15_SX_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_SX_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_SX_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_SX_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_SX_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_SX_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_SX_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_SX_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_SX_IM] = 1;
+
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_NY_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_NY_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_NY_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_NY_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_NY_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_NY_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_NY_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_NY_IM] = 1;
+
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_NZ_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_NZ_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_NZ_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_NZ_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_NZ_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_NZ_IM] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_NZ_RE] = 1;
+   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_NZ_IM] = 1;
+    }
+}
diff --git a/basic_parameters.h b/basic_parameters.h
--- a/basic_parameters.h
+++ b/basic_parameters.h
@@ -5,6 +5,7 @@
 // version 1.3: 02/05/2014
 // version 1.4: 16/05/2014
 // version 1.5: 20/05/2014
+// version 1.6: 19/12/2014
 
 #ifndef BASIC_PARAMETERS_H_INCLUDED
 #define BASIC_PARAMETERS_H_INCLUDED
@@ -18,6 +19,8 @@
 static inline void BP1_set(float * compressed_spec_mat, float * k_coeff_intercalib, unsigned char nb_bins_compressed_spec_mat, unsigned char * lfr_bp1);
 static inline void BP2_set(float * compressed_spec_mat, unsigned char nb_bins_compressed_spec_mat, unsigned char * lfr_bp2);
 
+void init_k_coefficients_f0( void );
+
 //***********************************
 // STATIC INLINE FUNCTION DEFINITIONS
 
diff --git a/basic_parameters_params.h b/basic_parameters_params.h
--- a/basic_parameters_params.h
+++ b/basic_parameters_params.h
@@ -1,11 +1,12 @@
 // version 1.4: 16/05/2014
 // version 1.5: 20/05/2014
+// version 1.6: 19/12/2014
 
 #ifndef BASIC_PARAMETERS_PARAMS_H
 #define BASIC_PARAMETERS_PARAMS_H
 
 #define NB_VALUES_PER_SPECTRAL_MATRIX 25
-#define NB_BINS_COMPRESSED_MATRIX_f0 11
+#define NB_BINS_COMPRESSED_MATRIX_f0 1
 
 #define NB_BYTES_BP1 9
 #define NB_BYTES_BP2 30
diff --git a/basic_parameters_utilities.h b/basic_parameters_utilities.h
new file mode 100755
--- /dev/null
+++ b/basic_parameters_utilities.h
@@ -0,0 +1,17 @@
+// version 1.6: 19/12/2014
+
+#ifndef BASIC_PARAMETERS_UTILITIES_H
+#define BASIC_PARAMETERS_UTILITIES_H
+
+#include <stdio.h>
+#include <malloc.h>
+
+#include "basic_parameters_params.h"
+
+float compressed_spectral_matrix_f0[NB_BINS_COMPRESSED_MATRIX_f0 * NB_VALUES_PER_SPECTRAL_MATRIX];
+float k_coefficients_f0[NB_BINS_COMPRESSED_MATRIX_f0 * NB_K_COEFF_PER_BIN];
+
+unsigned char LFR_BP1_f0[NB_BINS_COMPRESSED_MATRIX_f0*NB_BYTES_BP1];
+unsigned char LFR_BP2_f0[NB_BINS_COMPRESSED_MATRIX_f0*NB_BYTES_BP2];
+
+#endif // BASIC_PARAMETERS_UTILITIES_H
diff --git a/file_utilities.c b/file_utilities.c
--- a/file_utilities.c
+++ b/file_utilities.c
@@ -5,8 +5,9 @@
 // version 1.3: 02/05/2014
 // version 1.4: 16/05/2014
 // version 1.5: 20/05/2014
+// version 1.6: 19/12/2014
 
-#include "file_utilities.h"
+#include "basic_parameters_utilities.h"
 
 int lecture_file_sm(const char *fileName)
 {
@@ -65,46 +66,5 @@ int lecture_file_sm(const char *fileName
     return 0;
 }
 
-void init_k_coefficients_f0( void )
-{
-    uint16_t i;                        // 16 bits unsigned
-
-    for(i=0; i<NB_BINS_COMPRESSED_MATRIX_f0; i++){
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K44_PE]    = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K55_PE]    = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K45_PE_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K45_PE_IM] = 1;
 
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K14_SX_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K14_SX_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K15_SX_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K15_SX_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_SX_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_SX_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_SX_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_SX_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_SX_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_SX_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_SX_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_SX_IM] = 1;
 
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_NY_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_NY_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_NY_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_NY_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_NY_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_NY_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_NY_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_NY_IM] = 1;
-
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_NZ_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K24_NZ_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_NZ_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K25_NZ_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_NZ_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K34_NZ_IM] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_NZ_RE] = 1;
-   k_coefficients_f0[i*NB_K_COEFF_PER_BIN+K35_NZ_IM] = 1;
-    }
-}
-
diff --git a/file_utilities.h b/file_utilities.h
--- a/file_utilities.h
+++ b/file_utilities.h
@@ -1,27 +1,15 @@
-// In the frame of RPW LFR Sofware ICD Issue1 Rev8 (05/07/2013)
-// version 1.0: 31/07/2013
-// version 1.1: 02/04/2014
-// version 1.2: 30/04/2014
-// version 1.3: 02/05/2014
-// version 1.4: 16/05/2014
-// version 1.5: 20/05/2014
-
-#ifndef FILE_UTILITIES_H
-#define FILE_UTILITIES_H
-
-#include <stdio.h>
-#include <malloc.h>
-
-#include "basic_parameters.h"
-
-float compressed_spectral_matrix_f0[NB_BINS_COMPRESSED_MATRIX_f0 * NB_VALUES_PER_SPECTRAL_MATRIX];
-float k_coefficients_f0[NB_BINS_COMPRESSED_MATRIX_f0 * NB_K_COEFF_PER_BIN];
-
-unsigned char LFR_BP1_f0[NB_BINS_COMPRESSED_MATRIX_f0*NB_BYTES_BP1];
-unsigned char LFR_BP2_f0[NB_BINS_COMPRESSED_MATRIX_f0*NB_BYTES_BP2];
-
-int lecture_file_sm(const char *fileName);
-
-void init_k_coefficients_f0( void );
-
-#endif // FILE_UTILITIES_H
+// In the frame of RPW LFR Sofware ICD Issue1 Rev8 (05/07/2013)
+// version 1.0: 31/07/2013
+// version 1.1: 02/04/2014
+// version 1.2: 30/04/2014
+// version 1.3: 02/05/2014
+// version 1.4: 16/05/2014
+// version 1.5: 20/05/2014
+// version 1.6: 19/12/2014
+
+#ifndef FILE_UTILITIES_H
+#define FILE_UTILITIES_H
+
+int lecture_file_sm(const char *fileName);
+
+#endif // FILE_UTILITIES_H
diff --git a/main.c b/main.c
--- a/main.c
+++ b/main.c
@@ -5,10 +5,13 @@
 // version 1.3: 02/05/2014
 // version 1.4: 16/05/2014
 // version 1.5: 20/05/2014
+// version 1.6: 19/12/2014
 
 #include <stdio.h>
 
 #include "file_utilities.h"
+#include "basic_parameters_utilities.h"
+#include "basic_parameters.h"
 
 int main(void)
 {