diff --git a/src/dsd_frame_sync.c b/src/dsd_frame_sync.c
index 9d29836..426eae2 100644
--- a/src/dsd_frame_sync.c
+++ b/src/dsd_frame_sync.c
@@ -379,8 +379,19 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
               lbuf2[i] = lbuf[i];
             }
           qsort (lbuf2, t_max, sizeof (int), comp);
-          lmin = (lbuf2[1] + lbuf2[2] + lbuf2[3]) / 3;
-          lmax = (lbuf2[t_max - 3] + lbuf2[t_max - 2] + lbuf2[t_max - 1]) / 3;
+
+          //on shorter sync patterns, we need to look at the edges since we don't have many to pull from
+          if (t_max < 13)
+          {
+            lmin = (lbuf2[0] + lbuf2[1] + lbuf2[2]) / 3;
+            lmax = (lbuf2[t_max - 3] + lbuf2[t_max - 2] + lbuf2[t_max - 1]) / 3;
+          }
+          //on longer sync patterns, we can get more towards the middle and eliminate outlier values
+          else
+          {
+            lmin = (lbuf2[2] + lbuf2[3] + lbuf2[4]) / 3;
+            lmax = (lbuf2[t_max - 5] + lbuf2[t_max - 4] + lbuf2[t_max - 3]) / 3;
+          }
 
           if (state->rf_mod == 1)
             {
@@ -1155,6 +1166,9 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
                 )
             {
 
+              //debug
+              // fprintf (stderr, " %s ", synctest10);
+
               if (state->lastsynctype == 28)
               {
                 state->offset = synctest_pos;
@@ -1177,6 +1191,9 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
                     )
             {
 
+              //debug
+              // fprintf (stderr, " %s ", synctest10);
+
               if (state->lastsynctype == 29)
               {
                 state->offset = synctest_pos;
@@ -1196,19 +1213,19 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
             strncpy (synctest10, (synctest_p - 9), 10); //FSW only
             if (
                    (strcmp (synctest10, "3131331131") == 0 ) //this seems to be the most common 'correct' pattern on Type-C
-                || (strcmp (synctest10, "3331331131") == 0 ) //this one hits on new sync but gives a bad lich code
-                || (strcmp (synctest10, "3131331111") == 0 )
-                || (strcmp (synctest10, "3331331111") == 0 )
-                || (strcmp (synctest10, "3131311131") == 0 ) //First few FSW on NXDN48 Type-C seems to hit this for some reason
-
+                || (strcmp (synctest10, "3331331131") == 0 ) //this seems to be the most common 'correct' pattern on Conventional
                 )
             {
 
+              state->offset = synctest_pos;
+              state->max = ((state->max) + lmax) / 2;
+              state->min = ((state->min) + lmin) / 2;
+
+              //debug
+              // fprintf (stderr, " %s ", synctest10);
+
               if (state->lastsynctype == 28)
               {
-                state->offset = synctest_pos;
-                state->max = ((state->max) + lmax) / 2;
-                state->min = ((state->min) + lmin) / 2;
                 state->last_cc_sync_time = time(NULL);
                 return (28);
               }
@@ -1222,20 +1239,20 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
           {
             strncpy (synctest10, (synctest_p - 9), 10); //FSW only
             if (
-                   (strcmp (synctest10, "1313113313") == 0 )
-                || (strcmp (synctest10, "1113113313") == 0 )
-                || (strcmp (synctest10, "1313113333") == 0 )
-                || (strcmp (synctest10, "1113113333") == 0 )
-                || (strcmp (synctest10, "1313133313") == 0 )
-
-                )
+                   (strcmp (synctest10, "1313113313") == 0 ) //this seems to be the most common 'correct' pattern on Type-C
+                || (strcmp (synctest10, "1113113313") == 0 ) //this seems to be the most common 'correct' pattern on Conventional
+               )
             {
 
+              state->offset = synctest_pos;
+              state->max = ((state->max) + lmax) / 2;
+              state->min = ((state->min) + lmin) / 2;
+
+              //debug
+              // fprintf (stderr, " %s ", synctest10);
+
               if (state->lastsynctype == 29)
               {
-                state->offset = synctest_pos;
-                state->max = ((state->max) + lmax) / 2;
-                state->min = ((state->min) + lmin) / 2;
                 state->last_cc_sync_time = time(NULL);
                 return (29);
               }