diff --git a/applications/lofar2/designs/lofar2_unb2b_sdp_station/lofar2_unb2b_sdp_station.fpga.yaml b/applications/lofar2/designs/lofar2_unb2b_sdp_station/lofar2_unb2b_sdp_station.fpga.yaml
index 5bb941d05775856b5417be5bc07050ff9ee45607..d8b383280724a55beace100934ee5e93420c0380 100644
--- a/applications/lofar2/designs/lofar2_unb2b_sdp_station/lofar2_unb2b_sdp_station.fpga.yaml
+++ b/applications/lofar2/designs/lofar2_unb2b_sdp_station/lofar2_unb2b_sdp_station.fpga.yaml
@@ -244,22 +244,22 @@ peripherals:
       - RAM_ST_BST
       
   - peripheral_name: common/common_variable_delay
-    peripheral_group: bst
+    peripheral_group: bst0
     mm_port_names:
       - REG_STAT_ENABLE_BST_0
 
   - peripheral_name: sdp/sdp_statistics_offload_hdr_dat_bst
-    peripheral_group: bst
+    peripheral_group: bst0
     mm_port_names:
       - REG_STAT_HDR_DAT_BST_0
       
   - peripheral_name: common/common_variable_delay
-    peripheral_group: bst
+    peripheral_group: bst1
     mm_port_names:
       - REG_STAT_ENABLE_BST_1
 
   - peripheral_name: sdp/sdp_statistics_offload_hdr_dat_bst
-    peripheral_group: bst
+    peripheral_group: bst1
     mm_port_names:
       - REG_STAT_HDR_DAT_BST_1
 
diff --git a/applications/lofar2/libraries/sdp/sdp.peripheral.yaml b/applications/lofar2/libraries/sdp/sdp.peripheral.yaml
index 2542eff1d91997df3074d65cd3546b415a56bfc5..0b5da7eda85b1ce312f2720313fa315772f28c7b 100644
--- a/applications/lofar2/libraries/sdp/sdp.peripheral.yaml
+++ b/applications/lofar2/libraries/sdp/sdp.peripheral.yaml
@@ -24,14 +24,12 @@ peripherals:
           - - { field_name: f_adc,                   mm_width:  1, access_mode: RO, address_offset: 0x10 }
           - - { field_name: fsub_type,               mm_width:  1, access_mode: RO, address_offset: 0x14 }
           - - { field_name: beam_repositioning_flag, mm_width:  1, access_mode: RW, address_offset: 0x18 }
-          - - { field_name: subband_calibrated_flag, mm_width:  1, access_mode: RW, address_offset: 0x1C }
-          - - { field_name: O_si,                    mm_width:  8, access_mode: RW, address_offset: 0x20 }
-          - - { field_name: N_si,                    mm_width:  8, access_mode: RW, address_offset: 0x24 }
-          - - { field_name: O_rn,                    mm_width:  8, access_mode: RW, address_offset: 0x28 }
-          - - { field_name: N_rn,                    mm_width:  8, access_mode: RW, address_offset: 0x2C }
-          - - { field_name: block_period,            mm_width: 16, access_mode: RO, address_offset: 0x30 }
-          - - { field_name: beamlet_scale,           mm_width: 16, access_mode: RW, address_offset: 0x34 }
-
+          - - { field_name: O_si,                    mm_width:  8, access_mode: RW, address_offset: 0x1C }
+          - - { field_name: N_si,                    mm_width:  8, access_mode: RW, address_offset: 0x20 }
+          - - { field_name: O_rn,                    mm_width:  8, access_mode: RW, address_offset: 0x24 }
+          - - { field_name: N_rn,                    mm_width:  8, access_mode: RW, address_offset: 0x28 }
+          - - { field_name: block_period,            mm_width: 16, access_mode: RO, address_offset: 0x2C }
+          - - { field_name: beamlet_scale,           mm_width: 16, access_mode: RW, address_offset: 0x30 }
 
   - peripheral_name: sdp_subband_equalizer    # pi_sdp_subband_equalizer.py
     peripheral_description: "SDP Subband equalizer coefficients."
diff --git a/applications/lofar2/libraries/sdp/src/vhdl/node_sdp_filterbank.vhd b/applications/lofar2/libraries/sdp/src/vhdl/node_sdp_filterbank.vhd
index cea8db61daf21b5f74863ceeddee8085124c7e26..51de3371d0576e1947962dd91cc07a744f23160a 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/node_sdp_filterbank.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/node_sdp_filterbank.vhd
@@ -118,7 +118,9 @@ ARCHITECTURE str OF node_sdp_filterbank IS
   SIGNAL subband_equalizer_out_sosi_arr : t_dp_sosi_arr(c_sdp_P_pfb-1 DOWNTO 0) := (OTHERS => c_dp_sosi_rst);
   SIGNAL dp_selector_out_sosi_arr       : t_dp_sosi_arr(c_sdp_P_pfb-1 DOWNTO 0) := (OTHERS => c_dp_sosi_rst);
   SIGNAL scope_sosi_arr                 : t_dp_sosi_integer_arr(c_sdp_S_pn-1 DOWNTO 0);
-
+  
+  SIGNAL selector_en             : STD_LOGIC;
+  SIGNAL subband_calibrated_flag : STD_LOGIC;
 BEGIN
   ---------------------------------------------------------------
   -- SPECTRAL INVERSION 
@@ -224,7 +226,9 @@ BEGIN
 
       pipe_sosi_arr  => wpfb_unit_out_sosi_arr, 
       ref_sosi_arr   => subband_equalizer_out_sosi_arr,    
-      out_sosi_arr   => dp_selector_out_sosi_arr
+      out_sosi_arr   => dp_selector_out_sosi_arr,
+
+      selector_en    => selector_en
     );
  
   ---------------------------------------------------------------
@@ -307,6 +311,8 @@ BEGIN
   ---------------------------------------------------------------
   -- STATISTICS OFFLOAD
   ---------------------------------------------------------------
+  subband_calibrated_flag <= NOT selector_en;
+
   u_sdp_sst_udp_offload: ENTITY work.sdp_statistics_offload
   GENERIC MAP (
     g_statistics_type => "SST",
@@ -330,6 +336,7 @@ BEGIN
 
     sdp_info  => sdp_info,
     gn_index  => TO_UINT(gn_id),
+    subband_calibrated_flag => subband_calibrated_flag,
 
     in_sosi   => dp_selector_out_sosi_arr(0),
     out_sosi  => sst_udp_sosi,
diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_info_reg.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_info_reg.vhd
index bcd6e5a201e0665eca382bc41940a8684bfe3273..e3497967e850d654ab0c24440e158f6a6442e680 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_info_reg.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_info_reg.vhd
@@ -60,7 +60,7 @@ END sdp_info_reg;
 
 ARCHITECTURE str OF sdp_info_reg IS
 
-  CONSTANT c_field_arr : t_common_field_arr(13 DOWNTO 0) := 
+  CONSTANT c_field_arr : t_common_field_arr(12 DOWNTO 0) := 
       ( (field_name_pad("station_id"),              "RW", 16, field_default(0)),
         (field_name_pad("antenna_band_index"),      "RO",  1, field_default(0)),
         (field_name_pad("observation_id"),          "RW", 32, field_default(0)),
@@ -68,7 +68,6 @@ ARCHITECTURE str OF sdp_info_reg IS
         (field_name_pad("f_adc"),                   "RO",  1, field_default(0)),
         (field_name_pad("fsub_type"),               "RO",  1, field_default(0)),
         (field_name_pad("beam_repositioning_flag"), "RW",  1, field_default(0)),
-        (field_name_pad("subband_calibrated_flag"), "RW",  1, field_default(0)),
         (field_name_pad("O_si"),                    "RW",  8, field_default(0)),
         (field_name_pad("N_si"),                    "RW",  8, field_default(0)),
         (field_name_pad("O_rn"),                    "RW",  8, field_default(0)),
@@ -131,7 +130,6 @@ BEGIN
   sdp_info_wr.observation_id          <= mm_fields_out(field_hi(c_field_arr, "observation_id") DOWNTO field_lo(c_field_arr, "observation_id"));
   sdp_info_wr.nyquist_zone_index      <= mm_fields_out(field_hi(c_field_arr, "nyquist_zone_index") DOWNTO field_lo(c_field_arr, "nyquist_zone_index"));
   sdp_info_wr.beam_repositioning_flag <= sl(mm_fields_out(field_hi(c_field_arr, "beam_repositioning_flag") DOWNTO field_lo(c_field_arr, "beam_repositioning_flag")));
-  sdp_info_wr.subband_calibrated_flag <= sl(mm_fields_out(field_hi(c_field_arr, "subband_calibrated_flag") DOWNTO field_lo(c_field_arr, "subband_calibrated_flag")));
   sdp_info_wr.O_si                    <= mm_fields_out(field_hi(c_field_arr, "O_si") DOWNTO field_lo(c_field_arr, "O_si"));
   sdp_info_wr.N_si                    <= mm_fields_out(field_hi(c_field_arr, "N_si") DOWNTO field_lo(c_field_arr, "N_si"));
   sdp_info_wr.O_rn                    <= mm_fields_out(field_hi(c_field_arr, "O_rn") DOWNTO field_lo(c_field_arr, "O_rn"));
diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
index 00b4b5ed89099bea08523565cf334bf162088f70..c9f6d40418bc44bc504ec0f783e02c24a4dd3206 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
@@ -51,7 +51,6 @@ PACKAGE sdp_pkg is
     f_adc                   : STD_LOGIC;     
     fsub_type               : STD_LOGIC;  
     beam_repositioning_flag : STD_LOGIC; 
-    subband_calibrated_flag : STD_LOGIC; 
     O_si                    : STD_LOGIC_VECTOR(7 DOWNTO 0);    
     N_si                    : STD_LOGIC_VECTOR(7 DOWNTO 0);    
     O_rn                    : STD_LOGIC_VECTOR(7 DOWNTO 0);    
@@ -62,7 +61,7 @@ PACKAGE sdp_pkg is
 
   CONSTANT c_sdp_info_rst : t_sdp_info := 
       ( (OTHERS => '0'), '0', (OTHERS => '0'), (OTHERS => '0'),
-        '0', '0', '0', '0',
+        '0', '0', '0',
         (OTHERS => '0'), (OTHERS => '0'), (OTHERS => '0'), (OTHERS => '0'),
         (OTHERS => '0'), (OTHERS => '0') );  
 
diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd
index 8a5953606a796ee0ac203c5265b200167b5ace99..dce30f2147dcd9cf534c73e145618a69d9fc2f59 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd
@@ -74,10 +74,11 @@ ENTITY sdp_statistics_offload IS
     out_siso    : IN t_dp_siso;
 
     -- inputs from other blocks
-    eth_src_mac  : IN STD_LOGIC_VECTOR(c_network_eth_mac_addr_w-1 DOWNTO 0);
-    udp_src_port : IN STD_LOGIC_VECTOR(c_network_udp_port_w-1 DOWNTO 0);
-    ip_src_addr  : IN STD_LOGIC_VECTOR(c_network_ip_addr_w-1 DOWNTO 0);
-    sdp_info     : IN t_sdp_info;
+    eth_src_mac             : IN STD_LOGIC_VECTOR(c_network_eth_mac_addr_w-1 DOWNTO 0);
+    udp_src_port            : IN STD_LOGIC_VECTOR(c_network_udp_port_w-1 DOWNTO 0);
+    ip_src_addr             : IN STD_LOGIC_VECTOR(c_network_ip_addr_w-1 DOWNTO 0);
+    sdp_info                : IN t_sdp_info;
+    subband_calibrated_flag : IN STD_LOGIC := '0';
 
     gn_index     : IN NATURAL
   );
@@ -168,7 +169,7 @@ BEGIN
   dp_header_info(field_hi(c_sdp_stat_hdr_field_arr, "sdp_source_info_fsub_type"               ) DOWNTO field_lo(c_sdp_stat_hdr_field_arr,  "sdp_source_info_fsub_type"               )) <= SLV(sdp_info.fsub_type);
   dp_header_info(field_hi(c_sdp_stat_hdr_field_arr, "sdp_source_info_payload_error"           ) DOWNTO field_lo(c_sdp_stat_hdr_field_arr,  "sdp_source_info_payload_error"           )) <= SLV(r.payload_err);
   dp_header_info(field_hi(c_sdp_stat_hdr_field_arr, "sdp_source_info_beam_repositioning_flag" ) DOWNTO field_lo(c_sdp_stat_hdr_field_arr,  "sdp_source_info_beam_repositioning_flag" )) <= SLV(sdp_info.beam_repositioning_flag);
-  dp_header_info(field_hi(c_sdp_stat_hdr_field_arr, "sdp_source_info_subband_calibrated_flag" ) DOWNTO field_lo(c_sdp_stat_hdr_field_arr,  "sdp_source_info_subband_calibrated_flag" )) <= SLV(sdp_info.subband_calibrated_flag);
+  dp_header_info(field_hi(c_sdp_stat_hdr_field_arr, "sdp_source_info_subband_calibrated_flag" ) DOWNTO field_lo(c_sdp_stat_hdr_field_arr,  "sdp_source_info_subband_calibrated_flag" )) <= SLV(subband_calibrated_flag);
   dp_header_info(field_hi(c_sdp_stat_hdr_field_arr, "sdp_source_info_reserved"                ) DOWNTO field_lo(c_sdp_stat_hdr_field_arr,  "sdp_source_info_reserved"                )) <= (OTHERS => '0');
   dp_header_info(field_hi(c_sdp_stat_hdr_field_arr, "sdp_source_info_gn_id"                   ) DOWNTO field_lo(c_sdp_stat_hdr_field_arr,  "sdp_source_info_gn_id"                   )) <= TO_UVEC(gn_index, 5);
   dp_header_info(field_hi(c_sdp_stat_hdr_field_arr, "sdp_reserved"                            ) DOWNTO field_lo(c_sdp_stat_hdr_field_arr,  "sdp_reserved"                            )) <= (OTHERS => '0');
diff --git a/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_info.vhd b/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_info.vhd
index 2f691bdbcdd74a93cb43dd6db278bf85d1fcab60..e5dd58d4268f8d3efbd19229577b823a42c17d19 100644
--- a/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_info.vhd
+++ b/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_info.vhd
@@ -58,14 +58,13 @@ ARCHITECTURE tb OF tb_sdp_info IS
   CONSTANT c_mm_addr_O_rn                    : NATURAL := 3;
   CONSTANT c_mm_addr_N_si                    : NATURAL := 4;
   CONSTANT c_mm_addr_O_si                    : NATURAL := 5;
-  CONSTANT c_mm_addr_subband_calibrated_flag : NATURAL := 6;
-  CONSTANT c_mm_addr_beam_repositioning_flag : NATURAL := 7;
-  CONSTANT c_mm_addr_fsub_type               : NATURAL := 8;
-  CONSTANT c_mm_addr_f_adc                   : NATURAL := 9;
-  CONSTANT c_mm_addr_nyquist_zone_index      : NATURAL := 10;
-  CONSTANT c_mm_addr_observation_id          : NATURAL := 11;
-  CONSTANT c_mm_addr_antenna_band_index      : NATURAL := 12;
-  CONSTANT c_mm_addr_station_id              : NATURAL := 13;
+  CONSTANT c_mm_addr_beam_repositioning_flag : NATURAL := 6;
+  CONSTANT c_mm_addr_fsub_type               : NATURAL := 7;
+  CONSTANT c_mm_addr_f_adc                   : NATURAL := 8;
+  CONSTANT c_mm_addr_nyquist_zone_index      : NATURAL := 9;
+  CONSTANT c_mm_addr_observation_id          : NATURAL := 10;
+  CONSTANT c_mm_addr_antenna_band_index      : NATURAL := 11;
+  CONSTANT c_mm_addr_station_id              : NATURAL := 12;
   
   SIGNAL tb_end              : STD_LOGIC := '0';
   SIGNAL tb_mm_reg_end       : STD_LOGIC := '0';
@@ -110,7 +109,6 @@ BEGIN
     proc_mem_mm_bus_wr(c_mm_addr_O_rn                   ,13 ,mm_clk, reg_miso, reg_mosi);
     proc_mem_mm_bus_wr(c_mm_addr_N_si                   ,14 ,mm_clk, reg_miso, reg_mosi);
     proc_mem_mm_bus_wr(c_mm_addr_O_si                   ,15 ,mm_clk, reg_miso, reg_mosi);
-    proc_mem_mm_bus_wr(c_mm_addr_subband_calibrated_flag,1  ,mm_clk, reg_miso, reg_mosi);
     proc_mem_mm_bus_wr(c_mm_addr_beam_repositioning_flag,1  ,mm_clk, reg_miso, reg_mosi);
     proc_mem_mm_bus_wr(c_mm_addr_fsub_type              ,1  ,mm_clk, reg_miso, reg_mosi); -- RO
     proc_mem_mm_bus_wr(c_mm_addr_f_adc                  ,1  ,mm_clk, reg_miso, reg_mosi); -- RO
@@ -144,10 +142,6 @@ BEGIN
     mm_natural_response <= TO_UINT(reg_miso.rddata);  proc_common_wait_some_cycles(mm_clk, 1);
     ASSERT mm_natural_response = 15 REPORT "wrong O_si" SEVERITY ERROR;
 
-    proc_mem_mm_bus_rd(c_mm_addr_subband_calibrated_flag, mm_clk, reg_mosi);  proc_mem_mm_bus_rd_latency(c_mem_reg_rd_latency, mm_clk);
-    mm_natural_response <= TO_UINT(reg_miso.rddata);  proc_common_wait_some_cycles(mm_clk, 1);
-    ASSERT mm_natural_response = 1 REPORT "wrong subband_calibrated_flag" SEVERITY ERROR;
-
     proc_mem_mm_bus_rd(c_mm_addr_beam_repositioning_flag, mm_clk, reg_mosi);  proc_mem_mm_bus_rd_latency(c_mem_reg_rd_latency, mm_clk);
     mm_natural_response <= TO_UINT(reg_miso.rddata);  proc_common_wait_some_cycles(mm_clk, 1);
     ASSERT mm_natural_response = 1 REPORT "wrong beam_repositioning_flag" SEVERITY ERROR;
@@ -235,7 +229,6 @@ BEGIN
     ASSERT TO_UINT(sdp_info.O_rn)               = 13   REPORT "wrong sdp_info.O_rn value"                    SEVERITY ERROR;
     ASSERT TO_UINT(sdp_info.N_si)               = 14   REPORT "wrong sdp_info.N_si value"                    SEVERITY ERROR;
     ASSERT TO_UINT(sdp_info.O_si)               = 15   REPORT "wrong sdp_info.O_si value"                    SEVERITY ERROR;
-    ASSERT sdp_info.subband_calibrated_flag     = '1'  REPORT "wrong sdp_info.subband_calibrated_flag value" SEVERITY ERROR;
     ASSERT sdp_info.beam_repositioning_flag     = '1'  REPORT "wrong sdp_info.beam_repositioning_flag value" SEVERITY ERROR;
     ASSERT sdp_info.fsub_type                   = '1'  REPORT "wrong sdp_info.fsub_type value"               SEVERITY ERROR;
     ASSERT sdp_info.f_adc                       = '1'  REPORT "wrong sdp_info.f_adc value"                   SEVERITY ERROR;
diff --git a/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_statistics_offload.vhd b/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_statistics_offload.vhd
index 751119c7d17c5a81dc1d7a0544e5f43001d2cf3c..ad26814881b3aa41ff5e9114e3f3128ca294f5d8 100644
--- a/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_statistics_offload.vhd
+++ b/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_statistics_offload.vhd
@@ -145,7 +145,6 @@ ARCHITECTURE tb OF tb_sdp_statistics_offload IS
                         '0',                -- f_adc  
                         '1',                -- fsub_type
                         '0',                -- beam_repositioning_flag
-                        '1',                -- subband_calibrated_flag
                         x"01",              -- O_si
                         x"02",              -- N_si
                         x"04",              -- O_rn
diff --git a/libraries/base/dp/src/vhdl/dp_selector.vhd b/libraries/base/dp/src/vhdl/dp_selector.vhd
index f3eb8790bb103007e06e439bc044b668aaebe37e..682bbb15d1afe3dd8035d1c1bcb7abcf6a297455 100644
--- a/libraries/base/dp/src/vhdl/dp_selector.vhd
+++ b/libraries/base/dp/src/vhdl/dp_selector.vhd
@@ -52,7 +52,9 @@ ENTITY dp_selector IS
 
     pipe_sosi               : IN  t_dp_sosi;
     ref_sosi                : IN  t_dp_sosi;
-    out_sosi                : OUT t_dp_sosi
+    out_sosi                : OUT t_dp_sosi;
+
+    selector_en             : OUT STD_LOGIC 
   );
 END dp_selector;
 
@@ -76,7 +78,9 @@ BEGIN
 
     pipe_sosi_arr(0)   =>  pipe_sosi,  
     ref_sosi_arr(0)    =>  ref_sosi,
-    out_sosi_arr(0)    =>  out_sosi
+    out_sosi_arr(0)    =>  out_sosi,
+
+    selector_en        => selector_en
   );
 
 END str;
diff --git a/libraries/base/dp/src/vhdl/dp_selector_arr.vhd b/libraries/base/dp/src/vhdl/dp_selector_arr.vhd
index 5b5f2c8d6c5a5f9eaffb6a545f281e3d6760d036..38c352179337af02be8c7791da4914c78f35f814 100644
--- a/libraries/base/dp/src/vhdl/dp_selector_arr.vhd
+++ b/libraries/base/dp/src/vhdl/dp_selector_arr.vhd
@@ -56,7 +56,9 @@ ENTITY dp_selector_arr IS
 
     pipe_sosi_arr           : IN  t_dp_sosi_arr(g_nof_arr-1 DOWNTO 0);
     ref_sosi_arr            : IN  t_dp_sosi_arr(g_nof_arr-1 DOWNTO 0);
-    out_sosi_arr            : OUT t_dp_sosi_arr(g_nof_arr-1 DOWNTO 0)
+    out_sosi_arr            : OUT t_dp_sosi_arr(g_nof_arr-1 DOWNTO 0);
+
+    selector_en             : OUT STD_LOGIC
   );
 END dp_selector_arr;
 
@@ -72,6 +74,8 @@ ARCHITECTURE str OF dp_selector_arr IS
 
 BEGIN
 
+  selector_en <= reg_selector_en(0);
+  
   u_mms_common_reg : ENTITY common_lib.mms_common_reg
   GENERIC MAP (
     g_mm_reg       => c_selector_mem_reg