diff --git a/targets/PROJECTS/SPECTRA/build_all.bash b/targets/PROJECTS/SPECTRA/build_all.bash
index 64bbb5c87d01d68c9de471a48640039a22fff5ec..849dccaa54fcfe5863d6db347e855fc1ea6b47f4 100755
--- a/targets/PROJECTS/SPECTRA/build_all.bash
+++ b/targets/PROJECTS/SPECTRA/build_all.bash
@@ -29,9 +29,9 @@ test_install_package linux-headers-`uname -r`
 test_install_package "tshark"       "--force-yes"
 # for ODTONE git clone
 test_install_package "git"
-    
+
 test_install_asn1c_4_rrc_cellular
-    
+
 
 echo_success "\n###############################"
 echo_success "# COMPILE oaisim"
diff --git a/targets/PROJECTS/SPECTRA/env_802dot21.bash b/targets/PROJECTS/SPECTRA/env_802dot21.bash
index 0a8efd0145d6daea89d9adc6a658b878184a1aef..0ba86e881d398f7ca22c8aa5c46caabe619c3caa 100755
--- a/targets/PROJECTS/SPECTRA/env_802dot21.bash
+++ b/targets/PROJECTS/SPECTRA/env_802dot21.bash
@@ -25,7 +25,7 @@ export UE_MIH_USER_CONF_FILE=ue_lte_user.conf
 ENV_SCRIPT_SOURCED="?"
 ENV_SCRIPT_ERRORS="no"
 
-if [[ $BASH_SOURCE != $0 ]]; then 
+if [[ $BASH_SOURCE != $0 ]]; then
     THIS_SCRIPT_PATH=${BASH_SOURCE%env_802dot21.bash}
     [[ x"$THIS_SCRIPT_PATH" == x ]] && THIS_SCRIPT_PATH="./"
     ENV_SCRIPT_SOURCED="yes"
@@ -46,7 +46,7 @@ if [ ! -d $BOOST_ROOT ]; then
     ENV_SCRIPT_ERRORS="yes"
 else
     command -v b2 >/dev/null 2>&1
-    if [ $? -ne 0 ]; then 
+    if [ $? -ne 0 ]; then
         echo_warning "Program b2 is not installed or not in the PATH variable. Trying to resolve..." >&2
         if [[ -x "$BOOST_ROOT/b2" ]]; then
             echo_success "Program b2 found in dir $BOOST_ROOT." >&2
@@ -58,7 +58,7 @@ else
             export PATH=$PATH:$BOOST_ROOT
         fi
         command -v $BOOST_ROOT/b2 >/dev/null 2>&1
-        if [ $? -eq 0 ]; then 
+        if [ $? -eq 0 ]; then
             echo_success "Program b2 is now reachable by the PATH variable during the execution of this script." >&2
         else
             echo_error "Built of b2 failed. Please help yourself" >&2
diff --git a/targets/PROJECTS/SPECTRA/start_enb.bash b/targets/PROJECTS/SPECTRA/start_enb.bash
index 3235af06b5ab3d052512ceea6f3fe75bf244e810..4f7216d68889c42bd06ce09cae333d9c5a181e9f 100755
--- a/targets/PROJECTS/SPECTRA/start_enb.bash
+++ b/targets/PROJECTS/SPECTRA/start_enb.bash
@@ -110,7 +110,7 @@ ENB_MIHF_ID=`cat $ODTONE_MIH_EXE_DIR/$ENB_MIH_F_CONF_FILE | grep id | grep \= |
 #remove 2 last digits (vitualization, index on 2 digits)
 ENB_RAL_LINK_ID_STRIPPED=${ENB_RAL_LINK_ID%%??}
 
-#xterm -hold -e gdb --args 
+#xterm -hold -e gdb --args
 $OPENAIR_TARGETS/SIMU/USER/oaisim -a  -K $LOG_FILE -l9 -u0 -b1 -M0 -p2  -g1 -D $EMULATION_DEV_INTERFACE  \
              --enb-ral-listening-port   $ENB_RAL_LISTENING_PORT \
              --enb-ral-link-id          $ENB_RAL_LINK_ID_STRIPPED \
@@ -123,7 +123,7 @@ wait_process_started oaisim
 
 # start MIH-USER
 #  wait for emulation start
-tshark -c 500 -i $EMULATION_DEV_INTERFACE > /dev/null 2>&1 
+tshark -c 500 -i $EMULATION_DEV_INTERFACE > /dev/null 2>&1
 #xterm -hold -e $ODTONE_MIH_EXE_DIR/$ENB_MIH_USER    --conf.file $ODTONE_MIH_EXE_DIR/$ENB_MIH_USER_CONF_FILE &
 #wait_process_started $ENB_MIH_USER
 
diff --git a/targets/PROJECTS/SPECTRA/utils.bash b/targets/PROJECTS/SPECTRA/utils.bash
index ff4802087e0da7c3a1c5f27398e6b8f3bca9bf6a..724d9f5089bc5192ca52773479304a2ea0925d45 100755
--- a/targets/PROJECTS/SPECTRA/utils.bash
+++ b/targets/PROJECTS/SPECTRA/utils.bash
@@ -41,7 +41,7 @@ trim ()
     echo "$1" | sed -n '1h;1!H;${;g;s/^[ \t]*//g;s/[ \t]*$//g;p;}'
 }
 
-trim2() 
+trim2()
 {
     local var=$@
     var="${var#"${var%%[![:space:]]*}"}"   # remove leading whitespace characters