diff --git a/src/utils/matlab/libs/gps_l1_ca_dll_fll_pll_read_tracking_dump.m b/src/utils/matlab/libs/gps_l1_ca_dll_fll_pll_read_tracking_dump.m
index d7f7bb58a..3cba44eb8 100644
--- a/src/utils/matlab/libs/gps_l1_ca_dll_fll_pll_read_tracking_dump.m
+++ b/src/utils/matlab/libs/gps_l1_ca_dll_fll_pll_read_tracking_dump.m
@@ -34,11 +34,15 @@ function [GNSS_tracking] = gps_l1_ca_dll_fll_pll_read_tracking_dump (filename, s
   %%
 
   m = nargchk (1,3,nargin);
-  num_float_vars=16;
+  num_float_vars=15;
   num_double_vars=1;
   double_size_bytes=8;
   float_size_bytes=4;
-  skip_bytes_each_read=float_size_bytes*num_float_vars+double_size_bytes*num_double_vars;
+  unsigned_long_int_size_bytes=8;
+  num_unsigned_long_int_vars = 1;
+  skip_bytes_each_read=float_size_bytes*num_float_vars+...
+    +unsigned_long_int_size_bytes*num_unsigned_long_int_vars+...
+    double_size_bytes*num_double_vars;
   bytes_shift=0;
   if (m)
     usage (m);
@@ -66,8 +70,8 @@ function [GNSS_tracking] = gps_l1_ca_dll_fll_pll_read_tracking_dump (filename, s
     v5 = fread (f, count, 'float',skip_bytes_each_read-float_size_bytes);
         bytes_shift=bytes_shift+float_size_bytes;
     fseek(f,bytes_shift,'bof'); % move to next interleaved float
-    v6 = fread (f, count, 'uint32',skip_bytes_each_read-float_size_bytes);
-        bytes_shift=bytes_shift+float_size_bytes;
+    v6 = fread (f, count, 'uint64',skip_bytes_each_read-unsigned_long_int_size_bytes);
+        bytes_shift=bytes_shift+unsigned_long_int_size_bytes;
     fseek(f,bytes_shift,'bof'); % move to next interleaved float
     v7 = fread (f, count, 'float',skip_bytes_each_read-float_size_bytes);
         bytes_shift=bytes_shift+float_size_bytes;
diff --git a/src/utils/matlab/libs/gps_l1_ca_dll_pll_read_tracking_dump.m b/src/utils/matlab/libs/gps_l1_ca_dll_pll_read_tracking_dump.m
index b8e3424e7..e17ab7792 100644
--- a/src/utils/matlab/libs/gps_l1_ca_dll_pll_read_tracking_dump.m
+++ b/src/utils/matlab/libs/gps_l1_ca_dll_pll_read_tracking_dump.m
@@ -34,11 +34,14 @@ function [GNSS_tracking] = gps_l1_ca_dll_pll_read_tracking_dump (filename, count
   %%
 
   m = nargchk (1,2,nargin);
-  num_float_vars=16;
-  num_double_vars=2;
+  num_float_vars=15;
+  num_double_vars=1;
+  num_long_int=1;
   double_size_bytes=8;
   float_size_bytes=4;
-  skip_bytes_each_read=float_size_bytes*num_float_vars+double_size_bytes*num_double_vars;
+  long_int_size_bytes=8;
+  skip_bytes_each_read=float_size_bytes*num_float_vars+double_size_bytes*num_double_vars + ...
+    num_long_int*long_int_size_bytes;
   bytes_shift=0;
   if (m)
     usage (m);
@@ -66,8 +69,8 @@ function [GNSS_tracking] = gps_l1_ca_dll_pll_read_tracking_dump (filename, count
     v5 = fread (f, count, 'float',skip_bytes_each_read-float_size_bytes);
         bytes_shift=bytes_shift+float_size_bytes;
     fseek(f,bytes_shift,'bof'); % move to next interleaved float
-    v6 = fread (f, count, 'uint32',skip_bytes_each_read-float_size_bytes);
-        bytes_shift=bytes_shift+float_size_bytes;
+    v6 = fread (f, count, 'uint64',skip_bytes_each_read-long_int_size_bytes);
+        bytes_shift=bytes_shift+long_int_size_bytes;
     fseek(f,bytes_shift,'bof'); % move to next interleaved float
     v7 = fread (f, count, 'float',skip_bytes_each_read-float_size_bytes);
         bytes_shift=bytes_shift+float_size_bytes;
@@ -101,8 +104,6 @@ function [GNSS_tracking] = gps_l1_ca_dll_pll_read_tracking_dump (filename, count
     fseek(f,bytes_shift,'bof'); % move to next interleaved float
     v17 = fread (f, count, 'float64',skip_bytes_each_read-double_size_bytes);
             bytes_shift=bytes_shift+double_size_bytes;
-    fseek(f,bytes_shift,'bof'); % move to next interleaved float
-    v18 = fread (f, count, 'float64',skip_bytes_each_read-double_size_bytes);
     fclose (f);
     
     %%%%%%%% output vars %%%%%%%%
@@ -158,7 +159,6 @@ function [GNSS_tracking] = gps_l1_ca_dll_pll_read_tracking_dump (filename, count
     carrier_lock_test=v15;
     var1=v16;
     var2=v17;
-    var3=v18;
     
     GNSS_tracking.E=E;
     GNSS_tracking.P=P;
@@ -177,6 +177,5 @@ function [GNSS_tracking] = gps_l1_ca_dll_pll_read_tracking_dump (filename, count
     GNSS_tracking.carrier_lock_test=carrier_lock_test;
     GNSS_tracking.var1=var1;
     GNSS_tracking.var2=var2;
-    GNSS_tracking.var3=var3;
   end