diff --git a/header/tc_load_dump_parameters.h b/header/tc_load_dump_parameters.h
--- a/header/tc_load_dump_parameters.h
+++ b/header/tc_load_dump_parameters.h
@@ -19,6 +19,7 @@
 #define DELTAF_F0           96.
 #define DELTAF_F1           16.
 #define DELTAF_F2           1.
+#define DELTAF_DIV          2.
 
 #define BIT_RW1_F1  0x80
 #define BIT_RW1_F2  0x40
@@ -93,7 +94,7 @@ unsigned int check_update_info_hk_thr_mo
 void set_hk_lfr_sc_rw_f_flag( unsigned char wheel, unsigned char freq, float value );
 void set_hk_lfr_sc_rw_f_flags( void );
 void getReactionWheelsFrequencies( ccsdsTelecommandPacket_t *TC );
-void setFBinMask(unsigned char *fbins_mask, float rw_f, unsigned char deltaFreq, float k );
+void setFBinMask(unsigned char *fbins_mask, float rw_f, unsigned char deltaFreq, float kcoeff );
 void build_sy_lfr_rw_mask( unsigned int channel );
 void build_sy_lfr_rw_masks();
 void merge_fbins_masks( void );
diff --git a/src/tc_load_dump_parameters.c b/src/tc_load_dump_parameters.c
--- a/src/tc_load_dump_parameters.c
+++ b/src/tc_load_dump_parameters.c
@@ -1080,7 +1080,7 @@ void getReactionWheelsFrequencies( ccsds
 
 }
 
-void setFBinMask(unsigned char *fbins_mask, float rw_f, unsigned char deltaFreq, float k )
+void setFBinMask(unsigned char *fbins_mask, float rw_f, unsigned char deltaFreq, float kcoeff )
 {
     /** This function executes specific actions when a TC_LFR_UPDATE_INFO TeleCommand has been received.
      *
@@ -1122,8 +1122,8 @@ void setFBinMask(unsigned char *fbins_ma
     {
 
         // compute the frequency range to filter [ rw_f - delta_f/2; rw_f + delta_f/2 ]
-        f_RW_min = rw_f - (filterPar.sy_lfr_sc_rw_delta_f / 2.);
-        f_RW_MAX = rw_f + (filterPar.sy_lfr_sc_rw_delta_f / 2.);
+        f_RW_min = rw_f - ( (filterPar.sy_lfr_sc_rw_delta_f * kcoeff) / DELTAF_DIV);
+        f_RW_MAX = rw_f + ( (filterPar.sy_lfr_sc_rw_delta_f * kcoeff) / DELTAF_DIV);
 
         // compute the index of the frequency bin immediately below rw_f
         binBelow = (int) ( floor( ((double) rw_f) / ((double) deltaFreq)) );
@@ -1192,8 +1192,6 @@ void build_sy_lfr_rw_mask( unsigned int 
     double deltaF;
     unsigned k;
 
-    k = 0;
-
     maskPtr = NULL;
     deltaF = DELTAF_F2;