diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
index 998be6617aa3b7842166f947292573acc98631b9..4351a5286784c3df83a6e7f475d1f09d411790f0 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
@@ -122,6 +122,8 @@ PACKAGE sdp_pkg is
   CONSTANT c_sdp_X_sq               : NATURAL := c_sdp_S_pn * c_sdp_S_pn;
   CONSTANT c_sdp_block_period       : NATURAL := c_sdp_N_fft * 1000 / c_sdp_f_adc_MHz;  -- = 5120 [ns]
   CONSTANT c_sdp_N_beamlets_sdp     : NATURAL := c_sdp_N_beamsets * c_sdp_S_sub_bf;  -- = 976
+  CONSTANT c_sdp_unit_sub_weight    : NATURAL := 2**c_sdp_W_sub_weight_fraction;  -- 2**13, so range +-4.0 for 16 bit signed weight
+  CONSTANT c_sdp_unit_bf_weight     : NATURAL := 2**c_sdp_W_bf_weight_fraction;  -- 2**14, so range +-2.0 for 16 bit signed weight
 
   -- Default / tb values
   CONSTANT c_sdp_beamlet_scale_default   : NATURAL := 2**15;