diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index d702157dba1d67f7b2939845f7efcf45c666511b..c23b0d1a91471d406910790e3c54dddb42dbc9d3 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -238,7 +238,7 @@ add_boolean_option(TEST_OMG            False "???")
 add_boolean_option(DEBUG_OMG           False "???")
 add_boolean_option(XFORMS              False "This adds the possibility to see the signal oscilloscope")
 add_boolean_option(PRINT_STATS         False "This adds the possibility to see the status")
-add_boolean_option(T_TRACER False "Activate the T tracer, a debugging/monitoring framework" )
+add_boolean_option(T_TRACER            False "Activate the T tracer, a debugging/monitoring framework" )
 
 add_boolean_option(DEBUG_CONSOLE False "makes debugging easier, disables stdout/stderr buffering")
 
diff --git a/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c b/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
index 74b6e8cfbbebc290e95b7404f4ac2b179cc0679b..2bfa6e3f60fbb3997c080e2f27da0acd871011db 100644
--- a/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
+++ b/openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
@@ -332,10 +332,12 @@ int32_t lte_ul_channel_estimation(PHY_VARS_eNB *phy_vars_eNB,
 	break;
       }
 
+#if T_TRACER
       if (aa == 0)
         T(T_ENB_UL_CHANNEL_ESTIMATE, T_INT(eNB_id), T_INT(UE_id),
           T_INT(phy_vars_eNB->proc[sched_subframe].frame_rx), T_INT(subframe),
           T_INT(0), T_BUFFER(ul_ch_estimates_time[0], 512  * 4));
+#endif
 
 #ifdef DEBUG_CH
 
diff --git a/openair1/PHY/LTE_TRANSPORT/pucch.c b/openair1/PHY/LTE_TRANSPORT/pucch.c
index 67d1a5d95a49378a5d4bb81b2db84e760ecde2f7..9dfc1bb358c3afb7fc4715ba9127ba3e5b6b8a46 100644
--- a/openair1/PHY/LTE_TRANSPORT/pucch.c
+++ b/openair1/PHY/LTE_TRANSPORT/pucch.c
@@ -1044,7 +1044,6 @@ uint32_t rx_pucch(PHY_VARS_eNB *phy_vars_eNB,
 	phy_vars_eNB->pucch1ab_stats_cnt[UE_id][subframe] = (phy_vars_eNB->pucch1ab_stats_cnt[UE_id][subframe]+1)&1023;
 
       /* frame not available here - set to -1 for the moment */
-printf("sending %d %d\n", stat_re, stat_im);
       T(T_PUCCH_1AB_IQ, T_INT(phy_vars_eNB->Mod_id), T_INT(UE_id), T_INT(-1), T_INT(subframe), T_INT(stat_re), T_INT(stat_im));
 
 	  
diff --git a/openair1/PHY/TOOLS/lte_phy_scope.c b/openair1/PHY/TOOLS/lte_phy_scope.c
index fd7c2e014d91954a4a7f0ac6836179cd1453b1e5..4b623fb9dc09cd58436e6884b951357b6b3e5450 100644
--- a/openair1/PHY/TOOLS/lte_phy_scope.c
+++ b/openair1/PHY/TOOLS/lte_phy_scope.c
@@ -352,8 +352,8 @@ void phy_scope_eNB(FD_lte_phy_scope_enb *form,
     fl_set_xyplot_data(form->pucch_comp,I_pucch,Q_pucch,10240,"","","");
     fl_set_xyplot_data(form->pucch_comp1,B_pucch,A_pucch,1024,"","","");
     fl_add_xyplot_overlay(form->pucch_comp1,1,B_pucch,C_pucch,1024,FL_RED);
-    fl_set_xyplot_ybounds(form->pucch_comp,-100,100);
-    fl_set_xyplot_xbounds(form->pucch_comp,-100,100);
+    fl_set_xyplot_ybounds(form->pucch_comp,-5000,5000);
+    fl_set_xyplot_xbounds(form->pucch_comp,-5000,5000);
 
     fl_set_xyplot_ybounds(form->pucch_comp1,0,80);
   }