diff --git a/basic_parameters.c b/basic_parameters.c
--- a/basic_parameters.c
+++ b/basic_parameters.c
@@ -10,35 +10,43 @@
 // version 1.8: 02/02/2015 (gestion des divisions par zéro)
 // In the frame of RPW LFR Sofware ICD Issue3 Rev6 (27/01/2015) => R3 FSW
 // version 2.0: 19/06/2015
+// version 2.1: 22/06/2015 (modifs de Paul)
+
 
 #include <stdio.h>
 #include <stdint.h>
 #include "basic_parameters_params.h"
 
-void init_k_coefficients_f0( float *k_coeff_intercalib, unsigned char nb_binscompressed_matrix );
-void init_k_coefficients_f1( float *k_coeff_intercalib, unsigned char nb_binscompressed_matrix );
-void init_k_coefficients_f2( float *k_coeff_intercalib, unsigned char nb_binscompressed_matrix );
-
 void init_k_coefficients(float *k_coefficients,
                          unsigned char nb_binscompressed_matrix )
 {
-
     switch (nb_binscompressed_matrix)
-    {
-    case 11:
-    puts("F0 data: initialization of the intercalibration k-coefficients");
+    {  
+    case NB_BINS_COMPRESSED_MATRIX_f0:
+#ifdef DEBUG_TCH
+    printf("F0 data: initialization of the intercalibration k-coefficients\n");
+#endif
     init_k_coefficients_f0(k_coefficients, nb_binscompressed_matrix);
     break;
-    case 13:
-    puts("F1 data: initialization of the intercalibration k-coefficients");
+
+    case NB_BINS_COMPRESSED_MATRIX_f1:
+#ifdef DEBUG_TCH
+    printf("F1 data: initialization of the intercalibration k-coefficients\n");
+#endif
     init_k_coefficients_f1(k_coefficients, nb_binscompressed_matrix);
     break;
-    case 12:
-    printf("F2 data: initialization of the intercalibration k-coefficients");
+
+    case NB_BINS_COMPRESSED_MATRIX_f2:
+#ifdef DEBUG_TCH
+    printf("F2 data: initialization of the intercalibration k-coefficients\n");
+#endif
     init_k_coefficients_f2(k_coefficients, nb_binscompressed_matrix);
     break;
+
     default:
-    puts("there is a problème !!?");
+#ifdef DEBUG_TCH
+    printf("there is a problème !!?\n");
+#endif
     break;
     }
 }
diff --git a/basic_parameters.h b/basic_parameters.h
--- a/basic_parameters.h
+++ b/basic_parameters.h
@@ -10,6 +10,8 @@
 // version 1.8: 02/02/2015 (gestion des divisions par zéro)
 // In the frame of RPW LFR Sofware ICD Issue3 Rev6 (27/01/2015) => R3 FSW
 // version 2.0: 19/06/2015
+// version 2.1: 22/06/2015 (modifs de Paul)
+
 
 #ifndef BASIC_PARAMETERS_H_INCLUDED
 #define BASIC_PARAMETERS_H_INCLUDED
@@ -23,6 +25,10 @@
 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( float *k_coeff_intercalib, unsigned char nb_binscompressed_matrix );
+void init_k_coefficients_f1( float *k_coeff_intercalib, unsigned char nb_binscompressed_matrix );
+void init_k_coefficients_f2( float *k_coeff_intercalib, unsigned char nb_binscompressed_matrix );
+
 void init_k_coefficients( float *k_coeff_intercalib, unsigned char nb_binscompressed_matrix );
 
 //***********************************
diff --git a/basic_parameters_params.h b/basic_parameters_params.h
--- a/basic_parameters_params.h
+++ b/basic_parameters_params.h
@@ -6,12 +6,18 @@
 // version 1.8: 02/02/2015 (gestion des divisions par zéro)
 // In the frame of RPW LFR Sofware ICD Issue3 Rev6 (27/01/2015) => R3 FSW
 // version 2.0: 19/06/2015
+// version 2.1: 22/06/2015 (modifs de Paul)
+
 
 #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_f1 13
+#define NB_BINS_COMPRESSED_MATRIX_f2 12
+
 #define NB_BYTES_BP1 11
 #define NB_BYTES_BP2 30
 
diff --git a/basic_parameters_utilities.h b/basic_parameters_utilities.h
--- a/basic_parameters_utilities.h
+++ b/basic_parameters_utilities.h
@@ -4,6 +4,8 @@
 // version 1.8: 02/02/2015 (gestion des divisions par zéro)
 // In the frame of RPW LFR Sofware ICD Issue3 Rev6 (27/01/2015) => R3 FSW
 // version 2.0: 19/06/2015
+// version 2.1: 22/06/2015 (modifs de Paul)
+
 
 #ifndef BASIC_PARAMETERS_UTILITIES_H
 #define BASIC_PARAMETERS_UTILITIES_H
@@ -13,10 +15,6 @@
 
 #include "basic_parameters_params.h"
 
-#define NB_BINS_COMPRESSED_MATRIX_f0 11
-#define NB_BINS_COMPRESSED_MATRIX_f1 13
-#define NB_BINS_COMPRESSED_MATRIX_f2 12
-
 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];
 float k_coefficients_f1[NB_BINS_COMPRESSED_MATRIX_f1 * NB_K_COEFF_PER_BIN];
diff --git a/file_utilities.c b/file_utilities.c
--- a/file_utilities.c
+++ b/file_utilities.c
@@ -10,6 +10,8 @@
 // version 1.8: 02/02/2015 (gestion des divisions par zéro)
 // In the frame of RPW LFR Sofware ICD Issue3 Rev6 (27/01/2015) => R3 FSW
 // version 2.0: 19/06/2015
+// version 2.1: 22/06/2015 (modifs de Paul)
+
 
 #include "basic_parameters_utilities.h"
 
diff --git a/file_utilities.h b/file_utilities.h
--- a/file_utilities.h
+++ b/file_utilities.h
@@ -10,6 +10,8 @@
 // version 1.8: 02/02/2015 (gestion des divisions par zéro)
 // In the frame of RPW LFR Sofware ICD Issue3 Rev6 (27/01/2015) => R3 FSW
 // version 2.0: 19/06/2015
+// version 2.1: 22/06/2015 (modifs de Paul)
+
 
 #ifndef FILE_UTILITIES_H
 #define FILE_UTILITIES_H
diff --git a/main.c b/main.c
--- a/main.c
+++ b/main.c
@@ -10,6 +10,7 @@
 // version 1.8: 02/02/2015 (gestion des divisions par zéro)
 // In the frame of RPW LFR Sofware ICD Issue3 Rev6 (27/01/2015) => R3 FSW
 // version 2.0: 19/06/2015
+// version 2.1: 22/06/2015 (modifs de Paul)
 
 #include <stdio.h>