diff --git a/alliance/src/growstk/configure.in b/alliance/src/growstk/configure.in
index 1d3babe2..682f746b 100644
--- a/alliance/src/growstk/configure.in
+++ b/alliance/src/growstk/configure.in
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
 AC_INIT(src/growstk.c)
 
 GROWSTK_MAJOR_VERSION=1
-GROWSTK_MINOR_VERSION=3
+GROWSTK_MINOR_VERSION=4
 GROWSTK_VERSION=$GROWSTK_MAJOR_VERSION.$GROWSTK_MINOR_VERSION
 
 AC_SUBST(GROWSTK_MAJOR_VERSION)
diff --git a/alliance/src/growstk/src/growstk.c b/alliance/src/growstk/src/growstk.c
index d5462b37..9825ccba 100644
--- a/alliance/src/growstk/src/growstk.c
+++ b/alliance/src/growstk/src/growstk.c
@@ -494,7 +494,7 @@ int main (int ac, char *av[])
                   (SCALE_X * (ScanRec->Y + RDS_LAMBDA)) / RDS_UNIT , 
                   (SCALE_X * (ScanRec->X + ScanRec->DX / 2)) / RDS_UNIT , 
                   (SCALE_X * (ScanRec->Y + ScanRec->DY - RDS_LAMBDA)) / RDS_UNIT , 
-                  NULL);
+                  "obs");
      }
      else  
      {  
@@ -522,7 +522,7 @@ int main (int ac, char *av[])
                  (SCALE_X * (ScanRec->Y + ScanRec->DY / 2)) / RDS_UNIT , 
                  (SCALE_X * (ScanRec->X + ScanRec->DX - RDS_LAMBDA)) / RDS_UNIT , 
                  (SCALE_X * (ScanRec->Y + ScanRec->DY / 2)) / RDS_UNIT , 
-                 NULL);
+                 "obs");
     }
   }
   for (PhSeg = PhFig->PHSEG; PhSeg; PhSeg = PhSeg->NEXT)