diff --git a/lib/jt9sync.f90 b/lib/jt9sync.f90
new file mode 100644
index 000000000..28e1d68ea
--- /dev/null
+++ b/lib/jt9sync.f90
@@ -0,0 +1,22 @@
+  integer ii(16)                       !Locations of sync symbols
+!  data ii/1,6,11,16,21,26,31,39,45,51,57,63,69,75,81,85/
+  data ii/ 1,2,5,10,16,23,33,35,51,52,55,60,66,73,83,85/
+
+  integer ii2(16)                     !Locations of sync half-symbols
+!  data ii2/1,11,21,31,41,51,61,77,89,101,113,125,137,149,161,169/
+  data ii2/1,3,9,19,31,45,65,69,101,103,109,119,131,145,165,169/
+
+
+  integer isync(85)                    !Sync vector
+!  data isync/                                    &
+!       1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,  &
+!       1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,1,0,  &
+!       0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,  &
+!       0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,  &
+!       1,0,0,0,1/
+  data isync/                                     &
+       1,1,0,0,1,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,   &
+       0,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,   &
+       0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,0,0,0,0,1,   &
+       0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,   &
+       0,0,1,0,1/
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 60b40c2dd..0a41b1eb3 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1,4 +1,4 @@
-//-------------------------------------------------------------- MainWindow
+//------------------------------------------------------------- MainWindow
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "devsetup.h"